CLAUDE CODE SKILLS

Testing and security skills for Claude Code.

Most installed first. Copy the install command into a terminal; Claude Code loads the skill when a task needs it.

496 skills

Code review 119

code-review

mattpocock/skills

Makes the agent review changes since a fixed point against repo standards and the originating spec.

821k installs · 307k stars

web-design-guidelines

vercel-labs/agent-skills

Reviews UI files against fetched Web Interface Guidelines and reports issues with file and line references.

803k installs · 33k stars

caveman-review

JuliusBrussee/caveman

Writes terse code review comments, one line per finding with location, problem, and fix.

417k installs · 116k stars

requesting-code-review

obra/superpowers

Has the agent dispatch a fresh reviewer subagent with crafted context to check work before merging or after major tasks.

267k installs · 309k stars

review-animations

emilkowalski/skills

Reviews animation and motion code against a strict craft bar, flagging weak or unjustified motion.

267k installs · 52k stars

receiving-code-review

obra/superpowers

Has the agent verify review feedback against the codebase and push back on incorrect suggestions before implementing them.

226k installs · 309k stars

code-review-and-quality

addyosmani/agent-skills

Makes the agent review a change on five axes: correctness, readability, architecture, security, performance.

76k installs · 112k stars

code-simplification

addyosmani/agent-skills

Simplifies working code for clarity and lower complexity while keeping its exact behavior unchanged.

66k installs · 112k stars

ponytail-audit

DietrichGebert/ponytail

Audits a whole repo for bugs, security holes, load risks, untested code and bloat, as a read-only report.

181k stars

ponytail-debt

DietrichGebert/ponytail

Lists every shortcut comment in the repo as a debt ledger and flags those with no upgrade trigger.

181k stars

ponytail-review

DietrichGebert/ponytail

Reviews a diff or branch for bugs, security, load, tests, speed, and unneeded code, with fixes.

181k stars

deslop-shared-libs

garrytan/gstack

Finds up to five worthwhile shared-code extractions in recent changes and recommends the best three.

138k stars

devex-review

garrytan/gstack

Audits a project's live developer experience, including onboarding time and setup friction.

138k stars

archify-review

tt-a1i/archify

Judges issues, PRs and changes by value, cost and impact to guide maintenance decisions.

92k stars

simplify-codebase

tt-a1i/archify

Removes accidental complexity like dead code, duplicate state and redundant layers, backed by evidence.

92k stars

understand-diff

Egonex-AI/Understand-Anything

Analyzes git diffs against the project knowledge graph to show affected components and risks.

89k stars

remove-deadcode

code-yeongyu/oh-my-openagent

Finds unused code, verifies each candidate with LSP references, and removes it through parallel agents.

70k stars

tech-debt-audit

code-yeongyu/oh-my-openagent

Audits a codebase across nine dimensions and writes a file-cited TECH_DEBT_AUDIT.md with prioritized fixes.

70k stars

cookbook-audit

anthropics/claude-cookbooks

Audits an Anthropic Cookbook notebook against a style rubric and returns a score with improvement advice.

54k stars

open-code-review

alibaba/open-code-review

Runs the ocr CLI to AI-review Git diffs and produce line-level review comments, optionally applying fixes.

49k stars

open-code-review-delegate

alibaba/open-code-review

Has the host agent review code itself, using the ocr CLI only to pick files and resolve rules.

49k stars

code-review-specialist

luongnv89/claude-howto

Reviews code for security, performance, and quality issues using a checklist and metrics scripts.

46k stars

multi-reviewer-patterns

wshobson/agents

Coordinates parallel code reviews across dimensions, deduplicating findings and calibrating severity.

42k stars

review-architecture

pascalorg/editor

Reviews a PR against Pascal's package boundaries, registry model, and hook and selector rules.

25k stars

reduce-similarities

ccusage/ccusage

Runs similarity-rs to find duplicated Rust functions and types, then proposes concrete refactors.

19k stars

code-reviewer

Jeffallan/claude-skills

Reviews diffs and files for bugs, security flaws and design issues, then writes a prioritized report.

12k stars

chinese-code-review

jnMetaCode/superpowers-zh

Gives Chinese code review phrasing, severity labels and templates, and handles common team anti-patterns.

8k stars

judgment-day

Gentleman-Programming/gentle-ai

Runs a blind dual review with two independent judges, then at most two scoped fix and re-judgment rounds.

8k stars

pr-improver

trailofbits/skills

Runs a review-and-fix loop on the current branch's changes until a PR review comes back clean.

8k stars

antislop-code

miqdadbadjuber/anti-slop

Removes generic AI-style code comments, keeps useful ones, and never changes the code itself.

8k stars

check

tw93/Waza

Reviews diffs, PRs, and release readiness, reporting findings before merge or publish.

7k stars

ipollowork-maintainable-code

Devin-AXIS/iPolloWork

Requires reuse-first, minimal code changes with one owner, and an audit of the diff before finishing.

7k stars

egm-drift-report

google/elephant-goldfish-model

Compares design docs and READMEs with the source code and reports where they diverge.

6k stars

install-anti-slop

dmmulroy/anti-slop

Installs or updates vendored anti-slop Oxlint plugins while keeping the repo's local rule customizations.

6k stars

pr-review-analysis

breaking-brake/cc-wf-studio

Fetches GitHub PR review comments, verifies each against the code, and reports validity and actions.

5k stars

omh-ai-slop-cleaner

rlaope/oh-my-hermes

Removes AI-generated filler, dead code and duplication while keeping observable behavior identical.

5k stars

audit-flow

zebbern/claude-code-guide

Makes the agent trace system flows across code, API, auth, data and network layers, saved to SQLite.

5k stars

writing-defect-reports

kajisho5/ffmpeg-skill

Verifies a suspected defect at the user-visible layer before filing it, and corrects published claims.

4k stars

impl-validator

Ar9av/obsidian-wiki

Independently check whether an implementation matches its goal and return PASS, WARN, or FAIL with issues.

4k stars

blast-radius

michael-denyer/pstack-claude

Finds what a change could break beyond the diff and proves key safety facts by running real code.

4k stars

codex-review

chaseai-yt/claudex-loop

Asks Codex to review an existing implementation plan, with Claude revising it in a bounded loop.

3k stars

process-pr-reviews

nexu-io/nexu

Triage and resolve actionable inline review feedback on GitHub PRs from CodeRabbit or Codex.

3k stars

vibe-review

KhazP/vibe-coding-prompt-template

Reviews a proposed change for regressions, missing error handling, and security issues, citing file and line.

3k stars

cursor-review

Chachamaru127/claude-code-harness

Gets an advisory second opinion on a diff from Cursor; the host reviewer keeps the final verdict.

3k stars

clean-code

ciembor/agent-rules-books

Guides the agent to write readable code with clear names, small functions, and single responsibilities.

3k stars

code-complete

ciembor/agent-rules-books

Applies construction practices for routines, variables, control flow, defensive code, and tests during implementation.

3k stars

refactoring-guru

ciembor/agent-rules-books

Diagnoses code smells and applies targeted refactorings that keep behavior intact.

3k stars

deslop

rohitg00/pro-workflow

Strips AI-generated slop, needless comments, and over-engineering from the branch diff against main.

3k stars

sol-loop

t3dotgg/tstack

Runs a bounded multi-round review loop with a second reviewer model before filing a pull request.

2k stars

fable-judge

Sahir619/fable-method

Makes the agent re-run claimed checks and diff changes to verify whether finished work is really done.

2k stars

code-review-skill

awesome-skills/code-review-skill

Guides code reviews in many languages and frameworks, covering architecture, performance and security.

2k stars

ccsn-find-simplifications

kenryu42/cc-safety-net

Makes the agent find evidence-backed simplification candidates in the cc-safety-net repo instead of guesses.

2k stars

ccsn-no-comments

kenryu42/cc-safety-net

Makes the agent fix cc-safety-net comment lint errors by moving each comment's meaning into code or tests.

2k stars

analyse

NeoLabHQ/context-engineering-kit

Picks a Kaizen method (Gemba walk, value stream or muda) and walks through analysis of the target.

2k stars

footgun-scan

maxrave-dev/kotlin-footguns

Makes the agent scan Kotlin or Compose diffs for known footgun patterns and verify each hit.

2k stars

adjudicate-review

pedrohcgs/claude-code-my-workflow

Verifies incoming review findings against the source before any fix, so correct work is not changed.

2k stars

github-review-pr

feiskyer/claude-code-settings

Reviews a GitHub pull request with parallel reviewers, verifies findings and posts the review.

2k stars

batch-review-prs-awaiting-maintainer

dyoshikawa/rulesync

Triages open PRs awaiting a maintainer, reviewing each, then commenting, filing issues, or merging.

2k stars

structured-code-review

rohitg00/skillkit

Runs a five-stage code review covering requirements, correctness, quality, testing, and security.

2k stars

brooks-audit

hyhmrright/brooks-lint

Audits codebase architecture for module dependencies, layering violations, and structural decay.

2k stars

brooks-debt

hyhmrright/brooks-lint

Assesses tech debt, classifies maintainability problems, and ranks them into a refactoring roadmap.

2k stars

brooks-health

hyhmrright/brooks-lint

Scores PR quality, architecture, tech debt, and test quality together in one project health dashboard.

2k stars

brooks-review

hyhmrright/brooks-lint

Reviews PRs and code diffs for decay risks and design smells, citing symptom, source, consequence, and remedy.

2k stars

brooks-sweep

hyhmrright/brooks-lint

Runs all brooks-lint quality checks on a codebase and applies fixes, auto-applying safe changes and confirming risky ones.

2k stars

kicad

aklofas/kicad-happy

Analyzes KiCad projects and PDF schematics for design bugs, netlist issues, BOM data and DRC or ERC results.

2k stars

openkb-html-critic

yuezhiai/jonex

Reviews a generated single-file HTML deck and patches CSS specificity, navigation and self-containment bugs in place.

2k stars

rust-review

morganlinton/BeautifulRust

Reviews Rust code for idiom, API design, error handling and safety, citing the rule each finding breaks.

1k stars

greploop

michaelshimeles/rstack

Runs bounded cycles of reading Greptile review feedback and fixing PRs, MRs or changelists until the review is clean.

1k stars

code-quality-analyzer

alibaba/skill-up

Scores code on correctness, maintainability, performance and security, listing issues with fixes.

1k stars

wtf

noobnooc/agent

Audits a project before shipping or committing for secrets, schema drift, unsafe SQL and deploy blockers.

1k stars

slci-compatibility-analysis

matlab/simulink-agentic-toolkit

Checks a Simulink model's configuration for SLCI code inspection compatibility and explains the required fixes.

1k stars

clean-code-guard

amElnagdy/guard-skills

Reviews changed production code for clean code, SOLID, and LLM failure modes before it ships.

1k stars

crit

tomasz-tomczyk/crit

Runs an interactive Crit review of code, plans or pages, looping on inline human comments.

1k stars

api-contract-review

TencentCloudBase/CloudBase-AI-Toolkit

Audits CloudBase API wrappers and MCP tools against docs for wrong names, parameters and missing tests.

1k stars

code-reviewing

huangjia2019/claude-code-engineering

Reviews code for quality, security, performance and maintainability using a fixed checklist and report format.

1k stars

antivibe

mohi-devhub/antivibe

Explains or audits any codebase so the user learns what the code does, why, and what alternatives exist.

1k stars

consistency-auditor

zhnnky329/MathModeling-skills

Checks math modeling artifacts for consistency across numbers, symbols, decisions, files, and paper claims.

1k stars

matlab-code-reviewer

zhnnky329/MathModeling-skills

Reviews and runs MATLAB modeling code against its plan and data contract, saving a JSON review.

1k stars

openqodex

openqodex/openqodex

Reviews the current change before git push with deterministic scanners and an independent reviewer, then prints a report.

1k stars

rigorous-coding

jarrodwatts/claude-code-config

Makes the agent state assumptions, avoid unverified correctness claims, and cover edge cases.

1k stars

review-animations

AgentWorkforce/relay

Reviews animation code against strict craft standards, flagging unjustified or badly timed motion.

1k stars

mariadb-operator-pr-review

mariadb-operator/mariadb-operator

Review a mariadb-operator PR like a maintainer, checking it against AGENTS.md for safety and compatibility.

1k stars

code-review-expert

dtsola/xiaoyaosearch

Reviews current git changes for SOLID violations, security risks and performance issues, ranked P0 to P3.

1k stars

chisle-audit

JayPokale/Chisle

Audits a diff, file or repo for over-built code and wordy prose, then reports ranked cuts without editing.

727 stars

chisle-review

JayPokale/Chisle

Reviews a diff or file for over-engineering and reinvented stdlib, returning one finding per line.

727 stars

board

karanb192/claude-code-hooks

Renders TODO, FIXME and HACK markers as aging bounty cards, then calls out the biggest ones.

567 stars

git-review

umputun/cc-thingz

Opens the git diff in your editor for inline annotations, then fixes the code from your comments in a loop.

491 stars

code-quality

notque/vexjoy-agent

Finds dead code and stale TODOs, runs ruff, biome and mypy, and enforces multi-language quality gates.

443 stars

comment-quality

notque/vexjoy-agent

Finds and rewrites code comments that cite time or change history, keeping only current behavior.

443 stars

engineering-code-review

MiniMax-AI/mcode-stack

Reviews code changes for design, correctness, tests and maintainability, and judges whether they can merge.

442 stars

finding-duplicate-functions

obra/superpowers-lab

Finds functions that do the same job under different names, using extraction and LLM intent clustering.

435 stars

apply-findings

tobihagemann/turbo

Applies findings marked Apply, asks about ambiguous ones, and offers to note later improvements.

417 stars

assess-technical-debt

tobihagemann/turbo

Scans a project for complexity, deprecated APIs, duplication and weak tests, then writes a ranked report.

417 stars

genshijin-review

InterfaceX-co-jp/genshijin

Writes one-line PR review comments with severity tags, locations, and concrete fixes.

331 stars

audit-round

Arch1eSUN/Arcgentic

Acts as an external auditor that reviews a round's handoff and commits, then writes a PASS or NEEDS_FIX verdict.

285 stars

cross-agent-review

prassanna-ravishankar/repowire

Sends your diff or plan to a peer on a different agent backend for an independent review before merging.

270 stars

abstract-domain-explorer

ArabelaTso/Skills-4-SE

Runs abstract interpretation with interval, sign, octagon and polyhedra domains to infer variable invariants.

260 stars

github-code-review

HezaoHezao/poirot

Reviews local git diffs and GitHub pull requests, flagging issues and posting inline comments.

257 stars

code-simplifier

feiskyer/codex-settings

Simplifies recent or named code for clarity and maintainability while preserving its exact behavior.

247 stars

accessibility-per-component

murphytrueman/design-system-ops

Audits one design system component against WCAG 2.2 AA and reports PASS, FAIL or WARN per criterion.

212 stars

woz-kb

WithWoz/wozcode-plugin

Manages the WOZCODE review knowledge base: tunes the reviewer, runs backtests and maintains entries.

208 stars

autofix

coderabbitai/skills

Fetches unresolved CodeRabbit PR review comments and applies approved fixes one change at a time.

201 stars

trace-mcp-pre-commit

nikolai-vysotskyi/trace-mcp

Runs security scan, quality gates and antipattern checks before a commit or pull request.

198 stars

lsp-concurrency-audit

blackwell-systems/agent-lsp

Audits a type for data races by tracing which fields are accessed concurrently and lack synchronization.

166 stars

senior-engineering-partner

bjgreenberg/senior-engineering-partner

Makes the agent act as a strict senior reviewer and pair programmer with security and TDD discipline.

154 stars

full-audit

undeadlist/claude-code-agents

Runs eleven audit agents in parallel, then merges their reports into a prioritized fix plan.

149 stars

agent-plugin-eval

fabricioctelles/skills

Statically audits a plugin repo against the Agent Plugins spec and gives an evidence-cited 0-100 score.

123 stars

lessloc

rextail-ai/lessloc

Finds duplicates, dead code and needless abstractions in a repo and removes them without changing behavior.

109 stars

anti-patterns

avelikiy/great_cto

Makes the agent reject known SDLC anti-patterns when reviewing architecture, plans, code or incident analyses.

108 stars

code-refactor-review

jnsahaj/skills

Reviews diffs for code reuse, composition, consistency with the codebase and unnecessary complexity.

106 stars

thermo-nuclear-code-quality-review

sergioazoc/oxlint-tailwindcss

Runs a very strict maintainability review of changes, hunting for weak abstractions and oversized files.

105 stars

Testing 130

tdd

mattpocock/skills

Guides the agent through test-driven red-green-refactor loops with rules for good tests and seams.

1.2M installs · 307k stars

google-agents-cli-eval

google/agents-cli

Runs and analyzes agent evaluations: writes datasets, scores with LLM judges, and diagnoses failures.

525k installs · 6k stars

test-driven-development

obra/superpowers

Has the agent write a failing test first, watch it fail, then write minimal code to pass before any implementation.

265k installs · 309k stars

webapp-testing

anthropics/skills

Has the agent write Playwright scripts to test, debug and screenshot local web apps, with a server helper.

193k installs · 185k stars

playwright-best-practices

currents-dev/playwright-best-practices-skill

Guides writing, debugging, and maintaining Playwright tests across end-to-end, API, visual, and accessibility testing.

100k installs · 413 stars

rea-ci-tests-audit

morluto/rea

Audits CI workflows and test suites for false passes, stale fixtures, and costs that can be cut safely.

410k stars

benchmark

garrytan/gstack

Detects web performance regressions by measuring page speed and comparing it with earlier baselines.

138k stars

browser-testing-with-devtools

addyosmani/agent-skills

Makes the agent verify browser behavior via Chrome DevTools MCP: DOM, console, network, and performance.

112k stars

constraint-driven-development

addyosmani/agent-skills

Records the project's quality thresholds in CONSTRAINTS.md and flags diffs that weaken checks or skip tests.

112k stars

add-product-e2e-eval

paperclipai/paperclip

Adds or extends Paperclip end-to-end browser tests, fixtures and report evidence for the runner workflow.

109k stars

add-runner-eval

paperclipai/paperclip

Adds or extends Paperclip Runner protocol eval cases, rosters, assertions, and report fixtures with narrow validation.

109k stars

test-value

tt-a1i/archify

Trims slow, flaky or redundant tests while keeping those that protect outcomes that matter.

92k stars

codex-qa

code-yeongyu/oh-my-openagent

Tests the omo Codex plugin in an isolated CODEX_HOME with a local mock model, asserting hook events fired.

70k stars

opencode-qa

code-yeongyu/oh-my-openagent

QA the opencode CLI, server, plugin hooks and TUI with helper scripts, and inspect sessions in its database.

70k stars

senpi-qa

code-yeongyu/oh-my-openagent

Tests the Senpi adapter and task engine against the real senpi binary in isolation, saving evidence locally.

70k stars

screen-reader-testing

wshobson/agents

Guides testing with VoiceOver, NVDA and JAWS to verify ARIA, forms and dynamic announcements.

42k stars

temporal-python-testing

wshobson/agents

Tests Temporal Python workflows with pytest, time-skipping, activity mocks and replay testing.

42k stars

wcag-audit-patterns

wshobson/agents

Runs WCAG 2.2 accessibility audits with automated and manual checks and fix guidance.

42k stars

testing

iOfficeAI/AionUi

Applies the AionUi Vitest workflow: find risky cases first, then write behavior-focused tests in the right environment.

34k stars

dummy-dataset

phuryn/pm-skills

Generates realistic test datasets with custom columns and constraints, output as CSV, JSON, SQL, or a Python script.

28k stars

test-scenarios

phuryn/pm-skills

Writes QA test scenarios from user stories, covering steps, expected results and edge cases.

28k stars

terminal-emulator

slopus/happy

Writes and runs terminal UI tests with @microsoft/tui-test, driving real PTY input and snapshots.

24k stars

google-mobile-ads-validate

google/skills

Audits a Google Mobile Ads integration for test IDs, SKAdNetwork IDs, adapter versions, and preloading.

22k stars

chaos-engineer

Jeffallan/claude-skills

Plans chaos experiments, failure injection, blast radius limits, rollback steps and game day runbooks.

12k stars

test-reporting

aden-hive/hive

Runs the Hive level 2 integration test suite and writes an HTML report of each test's input and outcome.

11k stars

benchmark-workflow

xberg-io/xberg

Guides running Xberg extraction benchmarks and scoring quality against independent ground-truth fixtures.

9k stars

e2e-fixtures

xberg-io/xberg

Explains the JSON schema for Xberg e2e fixtures, including calls, inputs, mock responses and assertions.

9k stars

game-automation

rehan-remade/universal-modder

Launch, screenshot and drive a real game with input and logs so an agent can test its own mods.

9k stars

gentle-ai-bench

Gentleman-Programming/gentle-ai

Guides authoring and verifying bench journeys; a passing go test alone does not prove real execution.

8k stars

go-testing

Gentleman-Programming/gentle-ai

Applies Go testing patterns: table-driven tests, Bubbletea teatest, deterministic golden files, and temp dirs.

8k stars

replica-diff

Jakeschincariol/replica-skill

Scores a clone's feature parity and layout match with the original, ignoring colour.

7k stars

replica-test

Jakeschincariol/replica-skill

Writes a test plan for each user flow, Playwright end-to-end tests, and bug reports for your own clone.

7k stars

evaluate

Q00/ouroboros

Checks finished work against acceptance criteria using mechanical checks and model review.

6k stars

qa

Q00/ouroboros

Gives a single-pass quality verdict with scores and fixes for any artifact, like code or docs.

6k stars

testing-patterns

ChrisWiles/claude-code-showcase

Makes the agent write behavior-focused Jest tests with factory helpers, custom render and TDD steps.

6k stars

vitest

antfu/skills

Guides the agent in writing Vitest tests with Jest-style APIs, including mocks, spies, coverage and filtering.

6k stars

create-skill-test

dotnet/skills

Scaffolds eval.yaml evaluation specs with graders, rubrics and fixtures for skills and agents.

6k stars

eval-harness

WorldFlowAI/everything-claude-code

Defines capability and regression evals for Claude Code work, with code, model, and human graders.

6k stars

verification-loop

WorldFlowAI/everything-claude-code

Runs build, type, lint, test, secret and diff checks in sequence and reports a verification summary.

6k stars

evals-context

zgsm-ai/costrict

Gives the agent a map of the CoStrict monorepo's evals runner, its management web app, and the public evals page.

4k stars

broken-link-checker

nowork-studio/notfair-plugin

Crawls a website to find broken internal and outbound links (404s, 500s) and reports the source pages.

4k stars

Code Coverage with gcov

gadievron/raptor

Adds gcov coverage instrumentation to C and C++ builds and generates text or HTML reports.

4k stars

Line Execution Checker

gadievron/raptor

Checks whether specific source lines ran during tests, using gcov data and a freshly built checker tool.

4k stars

expo-skill-eval

expo/skills

Evaluates Expo skills on trigger accuracy, code quality, and simulator screenshots run through Expo Go.

4k stars

golang-benchmark

samber/cc-skills-golang

Guides Go benchmarks, pprof profiling and benchstat comparisons for statistically sound performance results.

4k stars

benchmark-checklist

michael-denyer/pstack-claude

Checks a performance measurement for limits, tuning, repeatability and relevance before reporting it.

4k stars

create-formal-verification-skill

michael-denyer/pstack-claude

Generates a project-local skill that formally verifies the riskiest code with a tool that fits the language.

4k stars

playwright-skill

lackeyjb/playwright-skill

Write and run Playwright scripts to test websites, take screenshots, check links and automate browser flows.

3k stars

vibe-verify

KhazP/vibe-coding-prompt-template

Runs a product against its acceptance criteria and reports setup, build and behavior evidence separately.

3k stars

code-assist

mikeyobrien/ralph-orchestrator

Guides code tasks with test-driven development in explore, plan, code and commit steps.

3k stars

evaluate-presets

mikeyobrien/ralph-orchestrator

Runs Ralph's preset evaluation scripts to test hat presets and audit the preset library for bugs.

3k stars

design-qa

plugin87/ux-ui-agent-skills

Sets up design QA gates: token and hardcode lint, axe a11y, contrast, and visual regression checks.

3k stars

web-quality-audit

addyosmani/web-quality-skills

Runs a web quality audit covering performance, accessibility, SEO and best practices using live browser evidence.

3k stars

verify-ccsn

kenryu42/cc-safety-net

Makes the agent run cc-safety-net in an isolated home and capture evidence of its decisions and commands.

2k stars

verify-project-tighten-only

kenryu42/cc-safety-net

Makes the agent check that a project policy cannot weaken user protections under tighten-only mode.

2k stars

brooks-test

hyhmrright/brooks-lint

Reviews an existing test suite for structural problems such as brittleness, mock abuse, slow runs and poor readability.

2k stars

emc

aklofas/kicad-happy

Runs EMC pre-compliance risk checks on KiCad PCB designs and outputs a ranked report with a test plan.

2k stars

designing-tests

CloudAI-X/claude-workflow-v2

Plans and writes unit, integration and E2E tests, sets up test tooling and checks coverage targets.

1k stars

evidence-driven-testing

michaelshimeles/rstack

Has the agent test UI behavior hands on, record evidence, and post the results to the requested destination.

1k stars

fixing-flaky-tests

amplifthq/openmeld

Guides reproducing, root-causing and validating flaky Jest, pytest or Playwright tests without sleeps or retries.

1k stars

writing-tests

amplifthq/openmeld

Gates new tests on whether they catch real regressions, then keeps them fast, deterministic and minimal.

1k stars

audit-tests

dzhng/skills

Audits which test proves each contract, deciding which tests to keep, repair, merge, or remove.

1k stars

closed-loop

huytieu/COG-second-brain

Runs a task through a verification loop where each check produces evidence rows tied to acceptance criteria.

1k stars

caliber-testing

caliber-ai-org/ai-setup

Writes Vitest tests in __tests__ folders with vi.mock, env save and restore, and project cleanup rules.

1k stars

e2e-setup

AI-Builder-Club/skills

Sets up a reliable end-to-end test suite with real flows, video and trace evidence, and a reusable auth helper.

1k stars

verifier-setup

AI-Builder-Club/skills

Scaffolds a repo's verify skill, dev-local script and browser driver so changes are proven before shipping.

1k stars

test-guard

amElnagdy/guard-skills

Reviews generated tests for mock-heavy, duplicated, or framework-testing bloat before they ship.

1k stars

fizz

pashov/skills

Generates Echidna and Medusa fuzz suites with metadata for Foundry or Hardhat Solidity projects.

1k stars

fizz-convert

pashov/skills

Converts English properties in PROPERTIES.md into Solidity fuzz assertions in the harness, then ticks them off.

1k stars

fizz-sync

pashov/skills

Detects drift between a Solidity source tree and its fuzz harness, quarantining stale properties and regenerating stubs.

1k stars

agentic-tdd

reticlehq/reticle

Writes the expected outcome against the running app first, then implements code until that check passes.

1k stars

audit-my-app

reticlehq/reticle

Clicks every reachable control in a running web app and reports dead buttons, console errors and failed requests.

1k stars

drive-desktop-app

reticlehq/reticle

Drives an Electron or Tauri desktop app and checks renderer and IPC calls that browser tools cannot see.

1k stars

false-green-tests

reticlehq/reticle

Compares test claims with real app behavior to find passing tests that do not actually verify the feature.

1k stars

install-and-verify

reticlehq/reticle

Verifies a web app change by reading the running app's DOM, network, routing and console, not screenshots.

1k stars

wcag22-a11y-audit

AIPexStudio/AIPex

Audits a live web page against eight WCAG 2.2 criteria using accessibility tree and screenshots.

1k stars

akka-net-testing-patterns

Aaronontheweb/dotnet-skills

Makes the agent write Akka.NET actor tests with Akka.Hosting.TestKit, covering DI, probes and persistence.

1k stars

aspire-integration-testing

Aaronontheweb/dotnet-skills

Makes the agent write xUnit integration tests for Aspire apps using real containers and discovered endpoints.

1k stars

mailpit-integration

Aaronontheweb/dotnet-skills

Makes the agent capture and assert outgoing emails in Aspire tests with a local Mailpit container.

1k stars

axiom-analyze-test-failures

CharlesWiltgen/Axiom

Finds flaky Swift Testing causes: missing confirmations, concurrency gaps and shared-state races.

1k stars

dogfood

fcakyon/claude-codex-settings

Explores a web app for bugs and writes a report with screenshots, videos and repro steps per issue.

1k stars

ui-regression

fcakyon/claude-codex-settings

Runs regression QA on web or extension UIs, checking every action, state, locale and accessibility.

1k stars

loki-seal

asklokesh/loki-mode

Guides the agent to pass the repo's real test suite and not weaken tests before declaring a task done.

1k stars

test-generator

vstorm-co/pydantic-deepagents

Makes the agent write pytest cases covering happy paths, edge cases and error handling for Python code.

1k stars

jury

juliobsz/skills

Scores a website like an Awwwards jury from screenshots, speed, accessibility and SEO data.

1k stars

game-qa

zenstory-ai/novel-to-game

Verifies a game build by running it and recording evidence for launch, rendering, input, core loop, outcome and restart.

941 stars

api-tester

laolaoshiren/claude-code-skills-zh

Generates and validates API tests from real OpenAPI specs, routes and existing tests, with authorization checks.

900 stars

e2e-environment-preflight

sno-ai/sno-station-skills

Runs environment checks on external services, hosts, and agents before an end-to-end test run starts.

857 stars

e2e-red-triage

sno-ai/sno-station-skills

Classifies an unexplained end-to-end test failure as a product defect or an environment fault.

857 stars

nw-ad-critique-dimensions

nWave-ai/nWave

Gives critique dimensions for acceptance tests, covering error paths, GWT form and business language.

626 stars

nw-agent-testing

nWave-ai/nWave

Tests agents in five layers: output quality, handoffs, adversarial review, security and prompt injection.

626 stars

testdriver:agent

testdriverai/testdriverai

Describes how the TestDriver agent handles PR reviews, issues, and mentions on GitHub.

463 stars

testdriver:ai

testdriverai/testdriverai

Runs natural language tasks in TestDriver tests through the ai() method, with optional validation.

463 stars

testdriver:assert

testdriverai/testdriverai

Makes natural language assertions about screen state in TestDriver tests using an AI check.

463 stars

testdriver:cache

testdriverai/testdriverai

Speeds up TestDriver runs by reusing cached element positions when screenshots barely change.

463 stars

control-tester

GRCEngClub/claude-grc-engineering

Designs audit control test procedures and documents walkthroughs, samples and results as workpapers.

430 stars

accessibility-auditor

OneWave-AI/claude-skills

Audits websites against WCAG 2.1 AA with automated scans and manual checks, then applies fixes.

400 stars

accessibility-skill

LambdaTest/agent-skills

Enables WCAG accessibility scans in Selenium, Playwright, or Cypress tests on the TestMu AI cloud.

386 stars

appium-skill

LambdaTest/agent-skills

Writes Appium mobile test scripts for Android and iOS in several languages, locally or on TestMu AI.

386 stars

behat-skill

LambdaTest/agent-skills

Writes Behat BDD tests for PHP with Gherkin feature files and Mink browser steps.

386 stars

behave-skill

LambdaTest/agent-skills

Generates Behave BDD tests for Python with Gherkin feature files and step definitions.

386 stars

capybara-skill

LambdaTest/agent-skills

Generates Capybara end-to-end browser tests in Ruby with RSpec for web apps.

386 stars

canvas-accessibility-auditor

vishalsachdev/canvas-mcp

Scans Canvas LMS course content for WCAG issues, then guides fixes and re-checks them.

308 stars

agent-qa-testing

majiayu000/spellbook

Runs and triages agent-qa regression tests for web and mobile apps using recorded run evidence.

288 stars

accessibility-audit

billy-enrizky/openbrowser-ai

Audits web pages against WCAG 2.1 for headings, labels, alt text, ARIA and keyboard use.

279 stars

e2e-testing

billy-enrizky/openbrowser-ai

Tests web apps end to end by simulating user actions and checking the expected results.

279 stars

mcp-smoke-test

SepineTam/mcp-for-stata

Runs an end-to-end smoke test of the local Stata-MCP server and reports pass or fail per tool.

271 stars

abstract-invariant-generator

ArabelaTso/Skills-4-SE

Infers loop invariants and function contracts via abstract interpretation for Dafny, Coq and Isabelle specs.

260 stars

demo

NahumLitvin/prismantis

Prints the prismantis demo reply as the final message so every rendering feature can be checked by eye.

254 stars

drive-check

NahumLitvin/prismantis

Presses keys in a real Claude Code session to exercise panes, buttons and saved options, then reports bugs.

254 stars

live-check

NahumLitvin/prismantis

Records a real Claude Code session's output and renders it to PNG to check how replies draw.

254 stars

check-coverage

ldayton/Dippy

Audits a Dippy CLI handler's tests against its documented subcommands and flags, then adds missing cases.

243 stars

api-contract-testing

secondsky/claude-skills

Verifies service API contracts with consumer-driven Pact tests and schema or OpenAPI validation.

240 stars

unica-testing

IngvarConsulting/unica

Guides writing, running and reviewing Unica's own tests across Rust nextest and Python unittest.

235 stars

weak-agent-test

kklimuk/docx-cli

Runs an adversarial weak-agent test of docx-cli on six document tasks, judges results, and reports fixes.

235 stars

build-scenario-tests

tamdogood/builder-essential-skills

Compiles a Given/When/Then behavior scenario into a deterministic test in the repo's own test stack.

225 stars

agent-qa-run-review

DevelopersGlobal/ai-agent-skills

Explains an agent-qa run verdict from its recorded evidence and proposes the smallest next step.

216 stars

accessibility-testing

conorluddy/xclaude-plugin

Guides WCAG accessibility testing for iOS apps, covering VoiceOver labels, contrast and Dynamic Type.

186 stars

vibe-acceptance-gate

ash1794/vibe-engineering

Checks finished work against its acceptance criteria and reports each as pass, fail or partial.

165 stars

vibe-adversarial-test-generation

ash1794/vibe-engineering

Generates edge-case and spec-linked tests covering boundaries, nil inputs, concurrency and malformed data.

165 stars

atdd-mutate

swingerman/engineer

Runs mutation testing to find surviving mutants and check whether tests catch real bugs.

162 stars

supercov

supercorp-ai/supercov

Measures test coverage with the supercov CLI and writes one focused test at a time for uncovered code.

159 stars

accessibility-audit-websites

TheGoat395/Codex-Skills

Audits a site's keyboard paths, accessible names, states and focus, then fixes in-scope issues and reports gaps.

135 stars

pict-test-designer

omkamal/pypict-claude-skill

Designs pairwise test cases with PICT and outputs the model, a test table, and expected results.

102 stars

Security 164

azure-compliance

microsoft/azure-skills

Runs Azure compliance and security audits with azqr, plus Key Vault secret and certificate expiry checks.

571k installs · 2k stars

firebase-security-rules-auditor

firebase/agent-skills

Audits Firebase Firestore and Storage security rules for privilege escalation, bypasses and weak validation.

141k installs · 493 stars

cloudflare-one

cloudflare/skills

Guides design, setup, troubleshooting, and review of Cloudflare One Zero Trust and SASE deployments.

97k installs · 3k stars

turnstile-spin

cloudflare/skills

Sets up, repairs, or migrates Cloudflare Turnstile bot checks in a frontend and backend, with server-side siteverify.

97k installs · 3k stars

security-and-hardening

addyosmani/agent-skills

Threat-models code, then hardens input handling, auth, data storage, and dependencies against attacks.

74k installs · 112k stars

security-audit

cloudflare/security-audit-skill

Reviews code and services for vulnerabilities at trust boundaries, with evidence, priority and minimal fixes.

67k installs · 53k stars

reverse-engineer-anything

morluto/rea

Guides reverse engineering of shipped binaries, packages, and web apps with REA, plus AgentEnv bundles.

410k stars

cso

garrytan/gstack

Runs a static security audit of the repository and reports exploitable defects with attacker and impact context.

138k stars

security-research

code-yeongyu/oh-my-openagent

Coordinates parallel agents to audit a codebase for vulnerabilities and rate each by proven exploitability.

70k stars

claude-security

anthropics/claude-plugins-official

Scans the repo or a diff for security issues, then drafts patch files for you to review and apply.

45k stars

competition-ad-certificate-abuse

zhaoxuya520/reverse-skill

CTF workflow for AD CS template, EKU, SAN and PKINIT privilege paths, used after the sandbox orchestrator.

44k stars

competition-agent-cloud

zhaoxuya520/reverse-skill

CTF workflow for prompt injection, MCP tool chains, cloud and CI/CD drift and artifact provenance challenges.

44k stars

competition-file-parser-chain

zhaoxuya520/reverse-skill

Guides CTF sandbox tracing of file uploads, archives, converters and parsers to the decisive effect.

44k stars

competition-firmware-layout

zhaoxuya520/reverse-skill

Guides CTF sandbox analysis of firmware partitions, boot chains, update packages and embedded configs.

44k stars

competition-forensic-timeline

zhaoxuya520/reverse-skill

Guides CTF sandbox DFIR work, merging logs and artifacts into one replayable incident timeline.

44k stars

competition-graphql-rpc-drift

zhaoxuya520/reverse-skill

Guides CTF sandbox work matching GraphQL or RPC contracts with live handlers to find hidden operations.

44k stars

competition-identity-windows

zhaoxuya520/reverse-skill

Guides CTF sandbox analysis of AD, Kerberos, OAuth, mail and Windows host evidence for lateral movement.

44k stars

competition-ios-runtime

zhaoxuya520/reverse-skill

Guides CTF sandbox iOS analysis with Frida hooks, Keychain inspection, pinning bypass and request signing.

44k stars

competition-jwt-claim-confusion

zhaoxuya520/reverse-skill

Guides CTF sandbox analysis of JWT parsing, key selection and claim checks that grant accepted identity.

44k stars

competition-k8s-control-plane

zhaoxuya520/reverse-skill

Guides CTF sandbox analysis of Kubernetes RBAC, service accounts, admission and controllers.

44k stars

competition-kerberos-delegation

zhaoxuya520/reverse-skill

Guides CTF sandbox work on Kerberos delegation edges, S4U, RBCD and whether service tickets get accepted.

44k stars

reverse-skill-router

zhaoxuya520/reverse-skill

Routes reverse engineering, exploitation, pentest, malware and mobile tasks to the matching specialist skill.

44k stars

skill-inspector

NVIDIA/SkillSpector

Reviews an agent skill for safety and excess permissions via SkillSpector scans and source reading.

23k stars

skill-security-auditor

eigent-ai/eigent

Guides a security audit of code, configs and dependencies, covering vulnerabilities, secrets and known CVEs.

16k stars

offensive-active-directory

SnailSploit/Claude-Red

Active Directory attack methodology for authorized red team work, from recon and credential abuse to ADCS.

10k stars

offensive-ai-security

SnailSploit/Claude-Red

Checklist for authorized AI and LLM security tests covering prompt injection, jailbreaks and poisoning.

10k stars

offensive-api-abuse

SnailSploit/Claude-Red

Methodology for authorized API tests on business logic, GraphQL, JWT manipulation and race conditions.

10k stars

offensive-api-security

SnailSploit/Claude-Red

Guides authorized API security testing across REST, gRPC and WebSocket against the OWASP API Top 10.

10k stars

offensive-basic-exploitation

SnailSploit/Claude-Red

Covers classic Linux exploit basics such as EIP control, ROP and ret2libc with mitigations off.

10k stars

offensive-cicd-pipeline

SnailSploit/Claude-Red

Guides authorized exploitation tests of CI/CD pipelines on GitHub Actions, Jenkins, GitLab and Azure DevOps.

10k stars

offensive-cicd-secrets

SnailSploit/Claude-Red

Guides authorized testing of how secrets leak from CI/CD runners, vaults, OIDC federation and build logs.

10k stars

offensive-cloud

SnailSploit/Claude-Red

Guides authorized testing of AWS, Azure and GCP for credential theft, privilege escalation and persistence.

10k stars

offensive-container-escape

SnailSploit/Claude-Red

Guides authorized container breakout testing for Docker, containerd and Podman, from capabilities to runc CVEs.

10k stars

offensive-crypto-attacks

SnailSploit/Claude-Red

Guides finding and exploiting crypto misuse like padding oracles, ECB, nonce reuse and weak PRNGs.

10k stars

offensive-exploit-dev-course

SnailSploit/Claude-Red

Provides a weekly exploit development course syllabus with topics, reading and lab setup.

10k stars

offensive-exploit-development

SnailSploit/Claude-Red

Guides exploit development workflow with pwntools, pwndbg, heap techniques and PoC reliability.

10k stars

offensive-jwt

SnailSploit/Claude-Red

Guides authorized JWT testing for algorithm confusion, weak secrets, header injection and JWKS poisoning.

10k stars

offensive-k8s-attacks

SnailSploit/Claude-Red

Guides authorized Kubernetes attacks from a pod foothold through RBAC, kubelet, etcd and node compromise.

10k stars

offensive-mitigations

SnailSploit/Claude-Red

Catalogs exploit mitigations like ASLR, NX, RELRO, CFI and seccomp, with known bypass techniques.

10k stars

offensive-netexec

SnailSploit/Claude-Red

Reference for NetExec (nxc) across SMB, LDAP, WinRM and other protocols in authorized domain tests.

10k stars

offensive-oauth

SnailSploit/Claude-Red

Guides authorized OAuth 2.0 testing for redirect_uri bypass, state abuse, PKCE bypass and scope escalation.

10k stars

offensive-tls-attacks

SnailSploit/Claude-Red

Guides TLS auditing and known attacks like POODLE, DROWN, FREAK, Heartbleed and certificate bypass.

10k stars

offensive-toctou

SnailSploit/Claude-Red

Guides exploiting check-then-use race conditions across files, kernel, containers and web auth.

10k stars

update-deps

backnotprop/plannotator

Audits outdated npm or Bun packages for maintainer, publish age and provenance before bumping them.

10k stars

antinet-security-scan

anbeime/skill

Screens files and URLs against domain blocklists and license rules, returning pass or reject.

9k stars

agentic-actions-auditor

trailofbits/skills

Audits GitHub Actions workflows that run AI coding agents for prompt injection and unsafe settings.

8k stars

audit-context-building

trailofbits/skills

Builds an understanding of unfamiliar code's assumptions and dependencies before a security audit begins.

8k stars

audit-prep-assistant

trailofbits/skills

Prepares a codebase for an external security review by setting goals, fixing easy issues, and adding docs.

8k stars

c-review

trailofbits/skills

Runs a structured C and C++ security review for memory corruption, integer overflow and race conditions.

8k stars

constant-time-analysis

trailofbits/skills

Compiles crypto code and inspects assembly to find secret-dependent timing side-channel risks.

8k stars

secure-workflow-guide

trailofbits/skills

Guides a five-step smart contract security workflow with Slither scans, feature checks and manual review.

8k stars

solana-vulnerability-scanner

trailofbits/skills

Scans Solana programs for six flaws such as arbitrary CPI, bad PDA checks and missing signer checks.

8k stars

substrate-vulnerability-scanner

trailofbits/skills

Scans Substrate and FRAME pallets for seven flaws including overflow, panic DoS and bad origin checks.

8k stars

token-integration-analyzer

trailofbits/skills

Analyzes ERC20 and ERC721 conformance and weird token behaviors such as fee-on-transfer and rebasing.

8k stars

ton-vulnerability-scanner

trailofbits/skills

Scans FunC contracts on TON for boolean misuse, fake Jetton contracts and unchecked forward gas.

8k stars

agentic-supply-chain-detection

Tencent/AI-Infra-Guard

Tests whether an agent trusts unvetted plugins, unpinned dependencies or untrusted update sources.

7k stars

aig-agent-redteam

Tencent/AI-Infra-Guard

Guides authorized red-team assessments of AI agents, MCP servers and skills, with evidence-backed reports.

7k stars

authorization-bypass-detection

Tencent/AI-Infra-Guard

Probes an agent through dialogue for cross-user data access, privilege escalation and auth bypass.

7k stars

cascading-failure-detection

Tencent/AI-Infra-Guard

Tests whether an agent's errors, retries or dependency outages spread into system-wide failures.

7k stars

data-leakage-detection

Tencent/AI-Infra-Guard

Probes an agent for leaks of its system prompt, credentials, personal data and internal configuration.

7k stars

direct-injection-detection

Tencent/AI-Infra-Guard

Tests whether direct user messages can override an agent's system or developer instructions.

7k stars

edgeone skill scanner

Tencent/AI-Infra-Guard

Statically scans an agent skill for security risks before installation, with all analysis run locally.

7k stars

edgeone-clawscan

Tencent/AI-Infra-Guard

Audits installed OpenClaw skills and environment for security risks, with optional cloud threat lookup.

7k stars

file-path-traversal-detection

Tencent/AI-Infra-Guard

Tests whether an agent's upload, save or extract flows let user-controlled paths escape the workspace.

7k stars

human-agent-trust-exploit-detection

Tencent/AI-Infra-Guard

Tests whether an agent harvests secrets, gives false assurances or pushes users into unsafe actions.

7k stars

indirect-injection-detection

Tencent/AI-Infra-Guard

Tests whether instructions hidden in documents or retrieved content can hijack an agent's goal.

7k stars

inter-agent-comm-security-detection

Tencent/AI-Infra-Guard

Tests multi-agent messaging for data leakage, impersonation and privilege escalation through routing.

7k stars

memory-poisoning-detection

Tencent/AI-Infra-Guard

Tests whether an agent stores attacker instructions in long-term memory and follows them in later tasks.

7k stars

memory-rag-poisoning-detection

Tencent/AI-Infra-Guard

Plants canary tokens in agent memory or RAG stores and checks whether they persist and alter later behavior.

7k stars

owasp-asi

Tencent/AI-Infra-Guard

Classifies agent security findings into the OWASP Agentic Top 10 2026 categories, ASI01 to ASI10.

7k stars

tool-abuse-detection

Tencent/AI-Infra-Guard

Probes an agent's file, shell and network tools through dialogue to find misuse and unsafe tool parameters.

7k stars

unexpected-code-execution-detection

Tencent/AI-Infra-Guard

Tests an agent for command injection, eval or exec misuse, and loading of remote code it should refuse.

7k stars

security-review

WorldFlowAI/everything-claude-code

Checks code for secrets, input validation, auth and other common security issues before shipping.

6k stars

bb-local-toolkit

elementalsouls/Claude-BugHunter

Runs the full bug bounty workflow from recon to reporting, and locates local tools, wordlists and clones.

5k stars

bb-methodology

elementalsouls/Claude-BugHunter

Orchestrates a bug bounty session in phases, checking engagement mode first and routing to the right skills.

5k stars

bug-bounty

elementalsouls/Claude-BugHunter

Runs a full bug bounty workflow from recon and hunting to validation and report writing.

5k stars

bugcrowd-reporting

elementalsouls/Claude-BugHunter

Adds Bugcrowd-specific tactics for VRT selection, severity overrides and rebutting out-of-scope closures.

5k stars

cloud-iam-deep

elementalsouls/Claude-BugHunter

Maps what a found AWS, Azure, GCP or Kubernetes credential grants and how privileges could escalate.

5k stars

enterprise-vpn-attack

elementalsouls/Claude-BugHunter

Gives a fingerprint and CVE matrix for SSL VPN appliances like Cisco, Fortinet, Citrix and Palo Alto.

5k stars

evidence-hygiene

elementalsouls/Claude-BugHunter

Shows how to redact cookies, PII and sensitive data from bug bounty screenshots, HAR files and PoCs.

5k stars

hunt-api-misconfig

elementalsouls/Claude-BugHunter

Tests APIs for mass assignment, prototype pollution and HTTP verb tampering misconfigurations.

5k stars

hunt-aspnet

elementalsouls/Claude-BugHunter

Hunts ASP.NET Webforms, WCF and SharePoint flaws like ViewState deserialization and exposed trace pages.

5k stars

hunt-ato

elementalsouls/Claude-BugHunter

Covers nine account takeover paths such as password reset poisoning, email change and OAuth link CSRF.

5k stars

authentication-patterns

zebbern/claude-code-guide

Guides choosing session, JWT or OAuth auth, picking providers, and a security checklist for auth changes.

5k stars

broken-authentication

zebbern/claude-code-guide

Guides testing web apps for broken authentication: passwords, session handling, MFA and credential reuse.

5k stars

burp-suite-testing

zebbern/claude-code-guide

Guides web app security testing with Burp Suite: intercepting traffic, Repeater replay and scanning.

5k stars

octopus-security-audit

nyldn/claude-octopus

Runs OWASP compliance checks, vulnerability scans, and adversarial red team tests for security reviews.

4k stars

guarding-destructive-operations

kajisho5/ffmpeg-skill

Adds refusing preconditions and path containment checks to delete, overwrite, and history-rewrite operations.

4k stars

audit

gadievron/raptor

Runs a hypothesis-driven security review of code coverage gaps, grounded in tool output, within the session.

4k stars

code-understanding

gadievron/raptor

Maps code architecture and traces data flows from untrusted input to sinks to support security analysis.

4k stars

exploitability-validation

gadievron/raptor

Validates that scanner findings are real, reachable, and plausibly exploitable before further analysis.

4k stars

github-archive

gadievron/raptor

Has the agent investigate GitHub security incidents using immutable GH Archive event data queried through BigQuery.

4k stars

ctf-ai-ml

ljagiello/ctf-skills

Gives CTF players AI and ML attack techniques: adversarial examples, model extraction, prompt injection.

4k stars

ctf-crypto

ljagiello/ctf-skills

Gives CTF players attack methods for RSA, AES, ECC, lattices, padding oracles, and other crypto challenges.

4k stars

ctf-forensics

ljagiello/ctf-skills

Gives CTF players forensics methods for disk, memory, network, log, registry, and steganography analysis.

4k stars

ctf-malware

ljagiello/ctf-skills

Gives CTF players methods for analyzing obfuscated scripts, PE binaries, and C2 traffic.

4k stars

ctf-misc

ljagiello/ctf-skills

Gives CTF players techniques for encodings, jails, RF, DNS, and other cross-category puzzles.

4k stars

ctf-osint

ljagiello/ctf-skills

Gives CTF players open source intelligence techniques for geolocation, usernames, DNS, and Wayback lookups.

4k stars

ctf-pwn

ljagiello/ctf-skills

Guides CTF binary exploitation, turning memory bugs and low-level primitives into code execution.

4k stars

ctf-reverse

ljagiello/ctf-skills

Guides CTF reverse engineering of binaries, firmware, VMs and bytecode to recover their logic.

4k stars

ctf-web

ljagiello/ctf-skills

Guides CTF web exploitation across XSS, SQLi, SSTI, SSRF, JWT, auth bypass and similar web bugs.

4k stars

add-community-skill

samugit83/redamon

Guides adding an importable Markdown attack workflow to the RedAmon agent catalog, using only real tools.

3k stars

add-partial-recon

samugit83/redamon

Guides wiring a recon tool into RedAmon's single-phase partial recon, reading inputs from the graph.

3k stars

builtin-agent-skill

samugit83/redamon

Guides adding a hardcoded built-in attack skill to RedAmon across the agent, classifier and webapp layers.

3k stars

priority-board-triage

samugit83/redamon

Keeps the Priority Board's three score layers separate so only the correct writer sets rule, review or decision values.

3k stars

rev-dex-dumper

P4nda0s/reverse-skills

Dumps decrypted DEX files from a running Android app's memory via ADB for unpacking and analysis.

2k stars

rev-u3d-dump

P4nda0s/reverse-skills

Extracts Unity IL2CPP method names, addresses, and types from binaries and metadata for IDA or Ghidra import.

2k stars

oauth

mcollina/skills

Implements OAuth 2.0 and 2.1 flows in Fastify, including PKCE, refresh rotation and JWT validation.

2k stars

VibeSec-Skill

BehiSecc/VibeSec-Skill

Guides the agent to write and audit web apps with proper access control, input validation and secure defaults.

1k stars

solidity-auditor

pashov/skills

Runs a parallel security audit of Solidity code during development, with a ledger that remembers past findings.

1k stars

x-ray

pashov/skills

Generates an x-ray.md pre-audit report covering threat model, invariants, integrations, tests and git history.

1k stars

second-brain-privacy

undefined-ui/second-brain-os

Scans a vault for credentials, others' private data and confidential material, and reports them by severity.

1k stars

clawsec-clawhub-checker

prompt-security/clawsec

Adds a reputation check on ClawHub skills before guarded installs, requiring confirmation below threshold.

1k stars

clawsec-feed

prompt-security/clawsec

Tracks a daily security advisory feed for OpenClaw-related CVEs and emerging threats.

1k stars

clawsec-scanner

prompt-security/clawsec

Runs npm and pip audits, CVE lookups, and Semgrep or Bandit scans, then reports vulnerabilities and fixes.

1k stars

clawsec-suite

prompt-security/clawsec

Sets up ClawSec monitoring, verifies signed advisories, and asks approval before removing risky skills.

1k stars

clawtributor

prompt-security/clawsec

Drafts community incident reports for threats found, sanitized and submitted only with user approval.

1k stars

hermes-attestation-guardian

prompt-security/clawsec

Verifies signed ClawSec release artifacts and detects drift in Hermes runtime attestation.

1k stars

claude-authenticity

agentscope-ai/OpenJudge

Runs weighted checks to judge whether an API endpoint serves genuine Claude, or a wrapper.

993 stars

dep-auditor

laolaoshiren/claude-code-skills-zh

Audits dependency manifests and lockfiles for known vulnerabilities, version health and license facts, read-only.

900 stars

pr-security-review

EricTechPro/super-board

Reviews one PR's diff against its base branch for exploitable security flaws, filtering out false positives.

555 stars

architecting-security

ancoleman/ai-design-components

Guides security architecture design with defense-in-depth, zero trust, threat modeling and control frameworks.

526 stars

owasp-security

agamm/claude-code-owasp

Reviews code and config for OWASP Top 10 and LLM or agent security flaws, and guides secure fixes.

419 stars

ai-agent-redteam

hypnguyen1209/offensive-claude

Red-team guidance for agentic LLM apps: prompt injection, MCP tool poisoning, memory poisoning and tool abuse tests.

403 stars

ai-security

hypnguyen1209/offensive-claude

Security testing for AI/ML systems: prompt injection, RAG poisoning, MCP audits and model artifact scanning.

403 stars

windiff-version-diff-analysis

ergrelet/windiff

Interprets diffs between Windows builds, flagging changed syscalls, callbacks and telemetry for security research.

395 stars

reins

pegasi-ai/reins

Applies deterministic security policies to shell, file and MCP actions via hooks, and scans configs.

392 stars

robotics-security

arpitg1304/robotics-agent-skills

Guides securing ROS2 robots with SROS2 DDS encryption, access control, network segmentation and hardening.

390 stars

disclosure

Encod3d-Sec/TORCH

Packages a verified vulnerability into a responsible disclosure report and helps request a CVE, with an authorization gate.

337 stars

hunt-burp

Encod3d-Sec/TORCH

Drives Burp Suite over MCP to triage proxy traffic, replay requests and hand off to vuln-class testing.

337 stars

security-awareness

gendigitalinc/sage

Gives the agent safety rules for running commands, fetching URLs, and handling credentials and packages.

322 stars

diagnostic-dofile

SepineTam/mcp-for-stata

Audits a Stata do-file read-only for security, portability and encoding risks, emitting a JSON report.

271 stars

stata-audit

SepineTam/mcp-for-stata

Inspects local Stata-MCP audit logs to show tool runs, security blocks and snapshot integrity.

271 stars

pya

AgriciDaniel/pya

Runs a parallel security audit of a codebase and returns a scored report with a prioritized fix list.

265 stars

api-platform-security

dev-toolings/superpowers-symfony

Lock down Symfony API Platform operations with security expressions, voters, and post-validation checks.

227 stars

acl-abuse

ADScanPro/Claude-AD

Walks the agent through abusing AD object ACL edges with bloodyAD and impacket, plus detection and fixes.

215 stars

ad-environment-constraints

ADScanPro/Claude-AD

Explains AD hardening like disabled NTLM, AES-only KDCs, LDAPS and clock skew that break attacks silently.

215 stars

ad-methodology

ADScanPro/Claude-AD

Sets the phase order for an Active Directory pentest: setup, collection, exploitation and post-processing.

215 stars

ad-opsec-telemetry

ADScanPro/Claude-AD

Lists the event IDs and noise each AD technique produces, so red and blue teams know what gets logged.

215 stars

adcs-attacks

ADScanPro/Claude-AD

Guides AD CS ESC1 to ESC17 escalation with Certipy, covering find, request, auth, event IDs and fixes.

215 stars

forensify

alexgreensh/repo-forensics

Audits your local agent stack for risky skills, MCP servers, hooks and credential permissions, read-only.

200 stars

repo-forensics

alexgreensh/repo-forensics

Audits git repos, agent skills and MCP servers for injection, credential theft, CVEs and risky patterns.

200 stars

aarm-policy-layer

safedep/gryph

Guides changes to Gryph's AARM policy engine, receipt chain and context accumulator via its dev doc.

181 stars

supercov-security

supercorp-ai/supercov

Scans a repository for security vulnerabilities with the supercov CLI and maps findings to CWE classes.

159 stars

bug-bounty-triage

Sequester-AG/bug-bounty-triage

Validates bug bounty reports on authorized targets, assesses severity and drafts a submission-ready report.

141 stars

do-analyze

jar-analyzer/jar-analyzer-claude

Runs SQL queries on the analysis database to trace method calls and flag Java vulnerability patterns.

141 stars

china-ai-compliance-audit

jnMetaCode/shellward

Audits an AI project repo against China's cyber, privacy and AI labeling rules, with file-line evidence.

139 stars

security-guide

jnMetaCode/shellward

Walks through an OpenClaw deployment security checklist covering network, containers, secrets and plugins.

139 stars

common-appsec-patterns

Stickman230/claude-pentest

Coordinates parallel subagents to test a web app for XSS, injection and CSRF flaws.

131 stars

myrqen

stijnswapped/Myrqen

Runs an authorized, local-first security assessment of the user's app, validating findings and retesting fixes.

127 stars

sail

pillar-labs/sail-skill

Applies the SAIL V2 framework to assess AI and agent risks, build roadmaps and prioritize controls.

113 stars

Debugging 83

diagnosing-bugs

mattpocock/skills

Guides feedback-loop-first diagnosis of hard bugs and slow regressions, redacting secrets from output.

865k installs · 307k stars

safe-debug

lllllllama/rigorpilot-skills

Diagnoses tracebacks and training failures conservatively, proposing minimal fixes that need approval first.

341k installs · 486 stars

systematic-debugging

obra/superpowers

Makes the agent find the root cause of any bug or failure before proposing a fix.

314k installs · 309k stars

investigate-first

JuliusBrussee/caveman

Makes the agent gather evidence and rank hypotheses to diagnose failures before editing code.

110k installs · 116k stars

surgical-patch

JuliusBrussee/caveman

Fixes bugs at the narrowest responsible layer, with a regression check and minimal unrelated changes.

109k installs · 116k stars

performance-optimization

addyosmani/agent-skills

Measures first, then fixes real bottlenecks in frontend, backend, queries, and databases.

68k installs · 112k stars

debugging-and-error-recovery

addyosmani/agent-skills

Guides systematic root-cause debugging for failing tests, broken builds, and unexpected errors.

66k installs · 112k stars

parallel-debugging

wshobson/agents

Guides debugging by testing competing hypotheses in parallel and settling the root cause with evidence.

42k stars

bug-report

Donchitos/Claude-Code-Game-Studios

Writes structured bug reports from descriptions, analyzes code for likely bugs, and verifies or closes fixes.

30k stars

bug-triage

Donchitos/Claude-Code-Game-Studios

Re-prioritizes open bugs by severity and priority, assigns them to sprints, and reports systemic trends.

30k stars

cmux-debug

ccusage/ccusage

Makes the agent run ccusage in a cmux pane and read the captured output back to verify terminal rendering.

19k stars

profile

ccusage/ccusage

Profiles ccusage CLI performance, comparing branches and checking that optimizations actually helped.

19k stars

debugging-wizard

Jeffallan/claude-skills

Parses errors and stack traces, correlates logs and applies hypothesis-driven steps to find root causes.

12k stars

queen-colony-debug

aden-hive/hive

Guides live debugging of Hive queen sessions, colony forks and worker spawns in an isolated environment.

11k stars

offensive-crash-analysis

SnailSploit/Claude-Red

Guides crash triage with GDB, WinDbg and sanitizer output to judge exploitability and find root cause.

10k stars

issue-root-resolution

Gentleman-Programming/gentle-ai

Audits issue backlogs by shared root cause and plans cluster-level fixes instead of one-off patches.

8k stars

systemic-issue-triage

Gentleman-Programming/gentle-ai

Triages incoming bug reports by root class and batches fixes that shrink the system instead of patching symptoms.

8k stars

hunt

tw93/Waza

Finds the root cause of errors, crashes, and regressions before any fix is applied.

7k stars

omh-app-debugging

rlaope/oh-my-hermes

Reproduces an app bug, tests competing hypotheses, then fixes only the proven root cause.

5k stars

frida

gadievron/raptor

Attaches Frida to a process, loads a hook script, and records send() events to confirm runtime behavior.

4k stars

Function Call Tracing

gadievron/raptor

Instruments C and C++ builds to trace function calls per thread and convert logs for Perfetto.

4k stars

rr-debugger

gadievron/raptor

Has the agent debug crashes with rr record-replay, using reverse stepping and crash trace extraction.

4k stars

session-investigator

evalstate/fast-agent

Has the agent diagnose fast-agent session and history files to find unexpected endings, tool loops and timing issues.

4k stars

kiro-debug

gotalab/cc-sdd

Makes the agent investigate blocked or failing implementations by finding root cause before any fix.

4k stars

vibe-debug

KhazP/vibe-coding-prompt-template

Reproduces a failing journey in an existing project, makes a targeted fix, and reruns the checks.

3k stars

debugview

microsoft/skills

Makes the agent capture and filter Windows debug output with the Sysinternals DebugView CLI.

3k stars

bug-capture

rohitg00/pro-workflow

Turns a user-reported bug into a GitHub issue in the project's own terms, after checking for duplicates.

3k stars

rev-frida

P4nda0s/reverse-skills

Writes Frida hook scripts with the modern API to trace calls, capture arguments and return values, and dump memory.

2k stars

rev-idapython

P4nda0s/reverse-skills

Gives IDAPython and IDALib code snippets for scripting IDA analysis, debugging, memory, and Hex-Rays tasks.

2k stars

rev-struct

P4nda0s/reverse-skills

Recovers data structure layouts from memory access patterns across functions and their call chains.

2k stars

rev-symbol

P4nda0s/reverse-skills

Recovers function names by analyzing code patterns, strings, constants, and cross-references in binaries.

2k stars

rev-unicorn-debug

P4nda0s/reverse-skills

Emulates selected functions with Unicorn, hooking JNI, syscalls, and libc calls to trace or decode data.

2k stars

debug-investigator

codejunkie99/agentic-stack

Makes the agent reproduce a bug, isolate it, test one hypothesis at a time, and confirm the fix with the repro.

2k stars

analyze-exports

Leanmcp/gateway-skills

Finds where and why a tau2-bench task failed by mapping root causes to rounds and cited docs.

2k stars

debug-like-expert

glittercowboy/taches-cc-resources

Makes the agent run a hypothesis-driven debugging protocol with evidence gathering when standard fixes fail.

2k stars

engineering-method-footguns

maxrave-dev/kotlin-footguns

Makes the agent run a discriminating experiment before writing fixes when a bug survives repeated attempts.

2k stars

thinking-five-whys-plus

tjboudreaux/cc-thinking-skills

For a localized fault, the agent traces evidenced whys to a systemic root and proposes a countermeasure.

2k stars

thinking-kepner-tregoe

tjboudreaux/cc-thinking-skills

The agent locates selective defects by IS/IS-NOT contrast, or ranks options by must and want criteria.

2k stars

thinking-map-territory

tjboudreaux/cc-thinking-skills

When docs or tests contradict observed behavior, the agent checks live code or data first.

2k stars

dev-debug

codeaholicguy/ai-devkit

Guides evidence-first debugging: clarify behavior, reproduce, test hypotheses, and get approval before code changes.

2k stars

hypothesis-testing

rohitg00/skillkit

Debugs by forming testable hypotheses and running targeted experiments to confirm or reject each one.

2k stars

parallel-investigation

rohitg00/skillkit

Splits a hard bug or incident into parallel investigation threads and merges findings into one report.

2k stars

root-cause-analysis

rohitg00/skillkit

Finds a bug's true root cause through phased investigation and Five Whys before applying any fix.

2k stars

trace-and-isolate

rohitg00/skillkit

Pinpoints where a bug starts using binary search, git bisect, targeted logging and minimal repro cases.

2k stars

fix-bug

tddworks/ClaudeBar

Guides fixing ClaudeBar bugs with a failing test first, root cause analysis, and rich domain design.

2k stars

debugging-network-issues

daymade/claude-code-skills

Runs falsification-first layered experiments to find root causes of network, streaming and protocol failures.

2k stars

error-handling

CloudAI-X/claude-workflow-v2

Applies error handling patterns, structured logging, retries, circuit breakers and graceful degradation.

1k stars

optimizing-performance

CloudAI-X/claude-workflow-v2

Profiles and optimizes slow frontend, backend and database code, measuring before and after each change.

1k stars

audit-performance

dzhng/skills

Finds unbounded or no-progress work in hot paths and ranks performance fixes by evidence and severity.

1k stars

oma-debug

first-fluke/oh-my-agent

Reproduces a bug, finds its root cause, applies a minimal fix, and adds a regression test.

1k stars

slci-inspection-incompatibility-analysis

matlab/simulink-agentic-toolkit

Traces failed SLCI code inspection results back to incompatible model settings or known limitations.

1k stars

debug-broken-ui

reticlehq/reticle

Reproduces a broken UI in the running app and reads the click, request, store and console to find the cause.

1k stars

fix-what-i-pointed-at

reticlehq/reticle

Reads notes a human left in the running app and fixes each flagged element at its source file and line.

1k stars

axiom-analyze-crash

CharlesWiltgen/Axiom

Analyzes iOS and macOS crash logs such as .ips and MetricKit files, symbolicates them and points to fixes.

1k stars

axiom-analyze-triage

CharlesWiltgen/Axiom

Ranks grouped production crashes and hangs from Sentry or App Store Connect, keeping noise visible.

1k stars

vc-debug

withkynam/vibecode-pro-max-kit

Makes the agent find the root cause of bugs, test failures and CI issues before proposing any fix.

1k stars

backprop

JuliusBrussee/cavekit

After a bug or failing test, traces the root cause and adds a spec invariant and test to prevent recurrence.

1k stars

debug-live-issue

hoangsonww/Claude-Code-Agent-Monitor

Debugs live issues across hooks, API, DB, websocket and UI by gathering evidence and proving the root cause before fixing.

1k stars

asc-crash-triage

rorkai/app-store-connect-cli-skills

Fetches TestFlight crashes, beta feedback and performance diagnostics with asc and summarizes them.

1k stars

agentic-walkthrough

sno-ai/sno-station-skills

Checks that a reported run caused its real effect by tracing the code path and observing each hop.

857 stars

debug

rsmdt/the-startup

Guides the agent through systematic, evidence-based bug diagnosis and root cause analysis.

575 stars

misakanet-failure-memory

Ikalus1988/MisakaNet

Searches the MisakaNet index for fixes to errors and submits redacted failure reports when none match.

544 stars

debug-workflow

josstei/maestro-orchestrate

Runs a structured debugging workflow that gathers evidence first, then delegates the investigation to a debugger agent.

485 stars

pavedpath-code

Jia-Ethan/pavedpath-code

Finds proven fixes for software errors in GitHub issues, PRs and code, then applies a minimal local change.

440 stars

bug-fix-brief

giuseppe-trisciuoglio/developer-kit

Generates a Bug Fix Brief with root cause, repro steps, fix options and a checklist, saved under docs/bfb.

366 stars

debugging-code

AlmogBaku/debug-skill

Drives a live debugger via the dap CLI to set breakpoints, step through code, and inspect variables.

335 stars

investigate-to-confluence

testdouble/han

Runs an evidence-based bug investigation and publishes the root-cause report to Confluence via Atlassian MCP.

328 stars

analysis-pipeline

prime-radiant-inc/greenfield

Guides multi-layer reverse engineering of a product into behavioral specs with provenance citations.

299 stars

autonomous-discovery

prime-radiant-inc/greenfield

Inventories local files, web info and running services as intelligence sources for a target product.

299 stars

binary-analysis

prime-radiant-inc/greenfield

Guides static analysis of compiled binaries and bundles to recover behavior without executing them.

299 stars

orca-replay

Continuum-AI-Corp/OrcaReplay

Answers questions about past agent runs from recordings, and replays or forks a run to reproduce failures.

287 stars

abstract-state-analyzer

ArabelaTso/Skills-4-SE

Statically flags runtime errors like out-of-bounds access, null dereference and overflow in source code.

260 stars

abstract-trace-summarizer

ArabelaTso/Skills-4-SE

Uses abstract interpretation to summarize program behavior, value ranges and possible runtime errors.

260 stars

embedded-debugger

Adancurusul/embedded-debugger-mcp

Guides embedded debugging with probe-rs: checks probes, starts the MCP server, handles flashing and RTT.

212 stars

crash-debugging

conorluddy/xclaude-plugin

Guides iOS crash log analysis, dSYM symbolication, and stack trace root-cause debugging.

186 stars

bug-fix

undeadlist/claude-code-agents

Guides a test-first bug fix: reproduce with a failing test, minimal fix, then verify no regressions.

149 stars

fix-the-class

joetawil7/first-pass

Fixes a whole bug class: reproduces the report, finds the same pattern in scope, and adds a guard.

125 stars

fix

ilang-ai/autocode

Guides debugging in order: observe, find the cause, make the smallest fix, verify, then explain plainly.

106 stars