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10,858 rows, by stacks then stars

1,559 of these skill files have been read, by 1,201 distinct authors, and what they tell an agent counted. What Test authors agree on, and what they forbid

  • Code reviewer

    Flowerf19/agents-skills/code-reviewer Skill

    no license2★ repo

    Custom skills, instructions, and prompt templates for AI coding agents (Claude Code, Kimi, etc.).

  • Diagnose

    JeanIsahakyan/skills/plugin/skills/diagnose Skill

    no license2★ repo

    Custom skills for AI coding agents: spec · sketch · simulate to design with a human before you build, and autopilot to build it autonomously. A Claude Code plugin marketplace.

  • Penkit51 ai

    xAmirHamza77/PenKit51/assistant-skills/claude/penkit51-ai Skill

    no license2★ repo

    PenKit51 — Open-source AI penetration testing platform with 63 deep exploitation skills, multi-agent orchestration, PoC-validated findings, and native assistant skills for Claude, ChatGPT, and Grok. Authorized testing only.

  • Create component

    2389-research/css-development/skills/create-component Skill

    1★ repo

    CSS development workflows with Tailwind composition, semantic naming, and dark mode by default

  • Debug systematically

    Chrike/coding-agent-skills/skills/debug-systematically Skill

    no license1★ repo

    Lightweight Claude Code skills for daily AI-assisted development workflows.

  • Implement

    KonH/ClaudeTools/plugins/k/skills/implement Skill

    1★ repo

    Claude Code plugin with skills shared across project

  • Wnb compose ui test

    wenubey/claude-android-skills/skills/wnb-compose-ui-test Skill

    1★ repo

    Reusable Claude Code skills for Android — Kotlin, Jetpack Compose, unit + UI testing, animations

  • Test case writer

    ukkuru/testmetry-skills/test-case-writer Skill

    no license1★ repo

    Claude Code skills for QA engineers. Built by practitioners, not vendors.

  • Audit

    aiperceivable/apcore-skills/skills/audit Skill

    no license1★ repo

    Apcore ecosystem management skill for Claude Code. Handles cross-language SDK synchronization, framework integration scaffolding, multi-repo audits, coordinated releases, and documentation alignment.

  • Enterprise build

    anotherben/claude-enterprise-skills/skills/enterprise-build Skill

    1★ repo

    9-stage enterprise development pipeline for Claude Code. TDD, adversarial testing, mechanical verification. Any stack.

  • Agent eval coverage

    vikast908/agent-repo-card/skills/agent-eval-coverage Skill

    1★ repo

    Grade your AI-agent repo. One command, one report card — scored, evidence-backed reviews (reliability, security, prompts, evals, token cost, UX, accessibility) for AI/LLM apps.

  • Property based testing

    alialavia/pbt-skills/skills/property-based-testing Skill

    1★ repo

    Claude Code skills for genuine property-based testing: discovery workflow, anti-patterns, Hypothesis & beyond.

  • Characterization test writer

    SkillMedev/legacy-modernization/skills/characterization-test-writer Skill

    1★ repo

    Move old code to modern stacks without a risky big-bang rewrite.

  • Example mapping

    iggmasterdev/badquality-lab/agile-tester/skills/example-mapping Skill

    1★ repo

    Agents and skills that bring Quality Engineering into AI-assisted SDLC workflows. badquality.dev

  • Production autopsy

    ByteStack-Labs/claude-plugins/agent-reliability/skills/production-autopsy Skill

    1★ repo

    ByteStack Labs marketplace for Claude Code. Open reliability skills that audit AI which passes evaluation but fails in production. Every number reproducible.

  • Test

    ninnettesudanese653/claude-plugins/plugins/hive/commands/test Skill

    1★ repo

    Manage and extend Claude Code with plugins for social, browser, and Hive workflows.

  • Test runner

    Justin-Ju-0413/aihome/data/sample-agents/test-runner Skill

    1★ repo

    Local-first visual workspace for discovering, organizing, and managing AI agents and skills. Scans AGENTS.md/SKILL.md, renders a kanban board + relationship graph.

  • Analysis

    jovd83/playwright-skill/analysis Skill

    1★ repo

    End-to-end Playwright skill pack for planning, authoring, debugging, documenting, and operationalizing test automation.

  • Selenium selfhealing

    aiqualitylab/agent-skills/skills/selenium-selfhealing Skill

    1★ repo

    AI-powered testing skills for automation frameworks

  • Mom factura testing

    ithustle/momenu-skills/skills/mom-factura-testing Skill

    no license1★ repo

    Agent Skills for Mom Factura Payment API — Angolan payments (MCX, E-kwanza, Bank Reference) for LLM agents

  • Snap forge

    sadiksaifi/skills/snap-forge Skill

    no license1★ repo

    SNAP — agent skills for smart models that ship real software.

  • Testing strategy

    magallon/testing-toolkit/testing-strategy Skill

    1★ repo

    Stack-agnostic testing skills for AI agents — testing strategy, prioritization, and E2E browser automation

  • Agile project lifecycle

    wchen02/cursor-agent-learning/.cursor/skills/agile-project-lifecycle Skill

    no license1★ repo

    A hands-on project to learn Cursor’s agent customization: rules, skills, subagents, commands, hooks, and AGENTS.md. Everything is set up with examples and docs so you can try things and tweak them.

  • Maestro testing

    katsanva/maestro-testing-skills/skills/maestro-testing Skill

    1★ repo

    Agent skills for Maestro end-to-end testing for Mobile and Web apps

  • Parallel test execution

    almasumdev/awesome-mobile-testing-agent-skills/.github/skills/automation/parallel-test-execution Skill

    no license1★ repo

    Agent skills for unit, widget, UI, and end-to-end testing of mobile apps across platforms.

  • Dangling verify with

    jacob-balslev/skill-graph/audits/gate-conformance/fixtures/invalid/dangling-verify-with Skill

    no license1★ repo

    Skills that know your codebase. Repo-grounded, contract-validated, agent-routable.

  • Facet

    hondrytravis/skills/skills/facet Skill

    1★ repo

    SDD design stress-test engine for AI coding agents. Pressure-tests your draft against edge cases, code constraints, and silent failures — one sharp question at a time. Outputs a Facet Brief that maps to openspec/speckit. Not a design generator — the last gate before the spec gets written.

  • Hello commit

    davidvictor/adlc-skills/extensions/marketplace/hello-adlc/skills/hello-commit Skill

    1★ repo

    Agentic Development Lifecycle skills for real software work

  • Browser testing with devtools

    Xrenya/safe-agent-skills/skills/browser-testing-with-devtools Skill

    1★ repo

    Safe production-grade engineering skills for AI coding agents.

  • Pr review

    kaszubski/engineering-leader-skills/skills/pr-review Skill

    1★ repo

    Claude Code skills for engineering managers and tech leads — code review, coaching, repo health, and retrospectives, most anchored on an established leadership framework.

  • Code review en

    roebi/sw-dev-agent-framework/skills/code-review-en Skill

    no license1★ repo

    An agentic framework that does exactly one thing: **software development**. Built with TDD. Every line of production code was preceded by a failing test.

  • Diagnose root cause

    contextosai/skills/skills/diagnose-root-cause Skill

    1★ repo

    A collection of Agent Skills — self-contained folders that teach AI agents to perform specialized tasks. Includes a production-readiness harness-audit skill, a plugin marketplace, a SKILL.md spec, and CI validation.

  • Signal lens

    simhanson123/signal-lens/.grok/skills/signal-lens Skill

    1★ repo

    Signal Lens — context-first maintainer PR review (Skill, CLI, Action, optional MCP)

  • Browser testing with devtools

    shashankswe2020-ux/flowforge/flowforge/deep_agents/skills/browser-testing-with-devtools Skill

    1★ repo

    Multi-agent Lang-graph framework for autonomous software developement

  • Openspec superpowers

    kxdds/sdd-tdd/skills/openspec-superpowers Skill

    1★ repo

    One skill to bring Spec-Driven + Test-Driven Development (SDD+TDD) to any AI coding agent - OpenSpec x Superpowers bridge for Cursor, Claude Code, Codex, OpenCode, Gemini CLI and more

  • Coding pipeline

    xi9644737-arch/coding-max/coding-pipeline Skill

    1★ repo

    Agent Skills for root-cause debugging and regression-safe repair.

  • Ai evals

    Deadlymind/nanolama/skills/ai-evals Skill

    1★ repo

    A portable Claude Code skills library (plugin) for a Django 5.2 + Next.js 16 house stack: 30 model-agnostic, tenant-isolation-and-security-first skills.

  • Clean skill

    RudrenduPaul/skillguard/examples/clean-skill Skill

    1★ repo

    Security scanner for third-party AI agent-skill files (SKILL.md manifests, hooks, bundled scripts). CLI, library, MCP server, and GitHub Action, all reading the same 10 rule packs, including cross-skill privilege chaining and prompt-injection detection. Zero-auth, zero-config npx or pip scan.

  • Application debugging

    nguyenthdat/opencode-manager/registry/skills/application-debugging Skill

    1★ repo

    Project-scoped OpenCode TUI plugin for grouping and managing MCP servers, custom agent skills, and pinned vendor skill registries.

  • Lock tests first

    himanshi-28/coding-agent-skills/skills/lock-tests-first Skill

    1★ repo

    Portable Agent Skills for test-first development, evidence-based debugging, code review, and reviewable Git history.

  • Definition of done review

    enocgit/sdlc-kit/skills/definition-of-done-review Skill

    1★ repo

    A portable, tool-agnostic, plan-gated pipeline for building quality software with AI agents.

  • Ab testing

    cskwork/supermarketer-skill/vendor/marketingskills/skills/ab-testing Skill

    1★ repo

    Evidence-grounded product marketing and creative production agent skill — spec and starter scaffold

  • Valid skill

    michellepellon/skillmark/tests/fixtures/valid-skill Skill

    1★ repo

    CI-native linter, validator, and quality scorer for Agent Skills (SKILL.md)

  • BigVik193 reddit ads mcp test

    BigVik193/reddit-ads-mcp/ai.smithery/BigVik193-reddit-ads-mcp-test MCP server

    no license1★ repo

    Manage Reddit advertising end-to-end: browse ad accounts and payment methods, and organize campaig…

  • Test gh

    stakiran/gists/.claude/skills/test-gh Skill

    0★ repo

    Static site generator for my GitHub Gists

  • Verify test coverage

    matusbu/claude-code-test-automation-skills/.claude/skills/verify-test-coverage Skill

    0★ repo

    Reusable Claude Code skills for test automation workflows

  • Go concurrency

    Cadasto/go-coding-plugin/skills/go-concurrency Skill

    0★ repo

    AI plugin for coding standards for Go

  • Authoring tests

    TomerAberbach/claude-config/skills/authoring-tests Skill

    0★ repo

    🤖 My Claude Code config!

  • Test driven development

    sgrowe/jj-ai/jj-flow/skills/test-driven-development Skill

    no license0★ repo

    Experiments in AI coding with JJ VCS

  • Skill activation testing

    bogheorghiu/ex-cog-dev/makers-toolkit/skills/skill-activation-testing Skill

    0★ repo

    ex-cog — externalized cognition. Four Claude Code plugins. research-toolkit — self-checking investigation & verification. makers-toolkit — build-discipline & prompt-design. vasana-system — cross-session pattern memory (forms, not just facts). security-toolkit — dangerous-action guardrails.

  • Playwright automation

    bdmorin/.claude/skills/playwright-automation Skill

    no license0★ repo

    My friend Brian's opinionated docker-dev-box with a focus on Claude Code workflows

  • Build tests

    YoniChechik/claude-code-config/skills/build-tests Skill

    no license0★ repo

    Personal Claude Code configuration (hooks, commands, agents, settings).

  • Go dev

    pszypowicz/claude-skills/plugins/go-dev/skills/go-dev Skill

    0★ repo

    A small Claude Code marketplace: ado, swift-concurrency, modern-swift, go-dev, worktrees.

  • Opp repl chart tests

    tabgab/opp_repl-skill/opp-repl-chart-tests Skill

    no license0★ repo

    Composable Anthropic-format Agent Skills for driving OMNeT++ simulations via opp_repl. Works in Claude, Windsurf, and any SKILL.md-aware agent.

  • Playwright cli

    Diegocortes15/playwright-ia-automation-framework-saucedemo/.claude/skills/playwright-cli Skill

    no license0★ repo

    An end-to-end test framework where a Jira ticket becomes a reviewed, TCMS-mirrored Playwright pull request — authored by AI agents, gated by deterministic CI. Built on saucedemo as both a reusable template and a portfolio piece.

  • Native android test visually

    lukas-hinterleitner/visual-app-skills/skills/native-android-test-visually Skill

    0★ repo

    Agent skills for visually testing mobile apps on Android — run a Flutter, React Native, or native Android app on an emulator/device, capture real screenshots via adb, read logs, optionally diff against a Figma design, and verify the UI rendered correctly. Works with Claude Code and other coding agents.

  • E2e testing

    Marcdaou/claude-qa-suite/qa-suite/skills/e2e-testing Skill

    0★ repo

    Claude Code plugin marketplace: qa-suite — end-to-end QA (API, E2E, SEO, security, payments) for Next.js + Supabase + Stripe apps

  • Ab test setup

    Sheshiyer/skill-clusters/skills/ab-test-setup Skill

    0★ repo

    Hub-and-spoke agent-skill clusters, one per stack (Astro·GSAP·Remotion, Tauri, …). Installable via skills.sh.

  • Browser qa

    ak-ship/fullstack-agent-skills/skills/browser-qa Skill

    0★ repo

    15 production-grade Claude Code skills that turn it into a full-stack engineering agent — design, code, test, secure, ship. Also works with OpenAI Codex CLI. MIT.

  • Inject scenarios

    Rockfish-Data/tacklebox/skills/inject-scenarios Skill

    0★ repo

    A tackle box of Claude skills for the Rockfish synthetic data SDK.