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

• 9181

  Integration test generator

  yigityildiz0/universal-ai-skill-library/skills/common/integration-test-generator · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9182

  Metamorphic test generator

  yigityildiz0/universal-ai-skill-library/skills/common/metamorphic-test-generator · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9183

  Mocks fixtures

  yigityildiz0/universal-ai-skill-library/skills/common/mocks-fixtures · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9184

  Mutation testing

  yigityildiz0/universal-ai-skill-library/skills/common/mutation-testing · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9185

  Performance testing

  yigityildiz0/universal-ai-skill-library/skills/common/performance-testing · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9186

  Playwright best practices

  yigityildiz0/universal-ai-skill-library/skills/common/playwright-best-practices · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9187

  Playwright

  yigityildiz0/universal-ai-skill-library/skills/common/playwright · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9188

  Property based test generator

  yigityildiz0/universal-ai-skill-library/skills/common/property-based-test-generator · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9189

  Test cases

  yigityildiz0/universal-ai-skill-library/skills/common/test-cases · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9190

  Test driven development

  yigityildiz0/universal-ai-skill-library/skills/common/test-driven-development · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9191

  Test structure

  yigityildiz0/universal-ai-skill-library/skills/common/test-structure · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9192

  Test suite prioritizer

  yigityildiz0/universal-ai-skill-library/skills/common/test-suite-prioritizer · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9193

  Test writer

  yigityildiz0/universal-ai-skill-library/skills/common/test-writer · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9194

  Testing review

  yigityildiz0/universal-ai-skill-library/skills/common/testing-review · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9195

  Unit tests

  yigityildiz0/universal-ai-skill-library/skills/common/unit-tests · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9196

  Webapp testing

  yigityildiz0/universal-ai-skill-library/skills/common/webapp-testing · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9197

  Playwright interactive

  yigityildiz0/universal-ai-skill-library/skills/platforms/codex/playwright-interactive · Skill

  no license1★ repo

  531 searchable AI Agent Skills for Claude Code, OpenAI Codex, and OpenCode — EN/TR catalog, platform and risk notes, direct ZIPs, and curated bundles.

• 9198

  Evidence coverage

  Hash-7777/Hash-Medical-Reasearch-Agent-Skills/skills/evidence-coverage · Skill

  1★ repo

  Drop-in agent skills that make an AI appraise medical literature like a reviewer — grade every citation against its source, run reproducible PRISMA searches, pool studies safely, and defend RAG against prompt injection. Framework-agnostic, MIT.

• 9199

  Tdd

  M0rtalPhe0nix/dotfiles/.agents/skills/tdd · Skill

  1★ repo

  Opinionated workstation setup for Apple Silicon macOS and Debian or Ubuntu desktops.

• 9200

  Agentic refactor

  jpbaking/agentic-tests/skills/shared/agentic-refactor · Skill

  1★ repo

  Lock down your code, refactor without fear: behavior-locking unit tests, mutation checks, and frozen-suite refactoring as portable Agent Skills for any coding agent

• 9201

  Agentic test clean

  jpbaking/agentic-tests/skills/shared/agentic-test-clean · Skill

  1★ repo

  Lock down your code, refactor without fear: behavior-locking unit tests, mutation checks, and frozen-suite refactoring as portable Agent Skills for any coding agent

• 9202

  Agentic test update

  jpbaking/agentic-tests/skills/shared/agentic-test-update · Skill

  1★ repo

  Lock down your code, refactor without fear: behavior-locking unit tests, mutation checks, and frozen-suite refactoring as portable Agent Skills for any coding agent

• 9203

  Agentic unit test

  jpbaking/agentic-tests/skills/shared/agentic-unit-test · Skill

  1★ repo

  Lock down your code, refactor without fear: behavior-locking unit tests, mutation checks, and frozen-suite refactoring as portable Agent Skills for any coding agent

• 9204

  Vue testing best practices

  JunfengRan/dev-env/skills/vue-testing-best-practices · Skill

  1★ repo

  Cursor agent workflow pack: Spec state machine, ContextPack, and deterministic gates for deep research.

• 9205

  Mcp testing

  batteryshark/skill-tap/skills/development/mcp/mcp-testing · Skill

  1★ repo

  Portable, reusable skills for agents and everyday workflows. Clank responsibly.

• 9206

  Nestjs testing

  dkmqflx/nestjs-best-practices-plugin/plugins/nestjs-best-practices/skills/nestjs-testing · Skill

  1★ repo

  Claude Code plugin: 12 NestJS best-practice skills (90 rules) grounded in the official NestJS docs

• 9207

  Add sample data

  LeonardSEO/power-platform-skills-codex/plugins/power-pages/skills/add-sample-data · Skill

  1★ repo

  Unofficial Codex adaptation of Microsoft Power Platform Skills with telemetry hard-disabled and automated upstream sync.

• 9208

  Test site

  LeonardSEO/power-platform-skills-codex/plugins/power-pages/skills/test-site · Skill

  1★ repo

  Unofficial Codex adaptation of Microsoft Power Platform Skills with telemetry hard-disabled and automated upstream sync.

• 9209

  Skill

  mohamedzhioua/proofguard/deferred/test-quality-guard/skill · Skill

  1★ repo

  Kill-tested guard skills for AI coding agents , self-invoking quality gates that catch AI failure modes in security, tests, docs, dependencies, and diffs before the agent says "done." Works with Claude Code, Codex, and Cursor.

• 9210

  Docs drift guard

  mohamedzhioua/proofguard/skills/docs-drift-guard · Skill

  1★ repo

  Kill-tested guard skills for AI coding agents , self-invoking quality gates that catch AI failure modes in security, tests, docs, dependencies, and diffs before the agent says "done." Works with Claude Code, Codex, and Cursor.

• 9211

  Python ci

  Paldom/python-skills/skills/python-ci · Skill

  1★ repo

  Agent Skills and hooks for maintaining high-quality open-source Python packages - an agentic engineering setup covering linting, testing, packaging, releases, and CI quality gates.

• 9212

  Python testing

  Paldom/python-skills/skills/python-testing · Skill

  1★ repo

  Agent Skills and hooks for maintaining high-quality open-source Python packages - an agentic engineering setup covering linting, testing, packaging, releases, and CI quality gates.

• 9213

  Cheapest discriminating test

  ralfyishere/piensalo/micro-skills/cheapest-discriminating-test · Skill

  1★ repo

  PIÉNSALO is the open artificial cortex for AI—reduce context tokens, verify response quality, expand when needed, and safely fall back.

• 9214

  Analytics

  cskwork/supermarketer-skill/vendor/marketingskills/skills/analytics · Skill

  1★ repo

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

• 9215

  Laravel testing

  noppu-labs/ai-toolkit/laravel/skills/laravel-testing · Skill

  1★ repo

  Toolkit for agentic development of Laravel & React apps

• 9216

  Laravel validation

  noppu-labs/ai-toolkit/laravel/skills/laravel-validation · Skill

  1★ repo

  Toolkit for agentic development of Laravel & React apps

• 9217

  Code reviewer

  yinyoudexing/skill-compass/examples/demo-skills/code-reviewer · Skill

  1★ repo

  Local-first personal launchpad and public store for Agent Skills on macOS

• 9218

  Assumption mapper

  Abhillashjadhav/PM-agent-OS/.claude/skills/assumption-mapper · Skill

  no license1★ repo

  Evidence-aware product-management skills and reviewer agents for discovery, strategy, build, launch, and iteration.

• 9219

  Failure to eval capture

  Abhillashjadhav/PM-agent-OS/.claude/skills/failure-to-eval-capture · Skill

  no license1★ repo

  Evidence-aware product-management skills and reviewer agents for discovery, strategy, build, launch, and iteration.

• 9220

  Unit economics stress test

  Abhillashjadhav/PM-agent-OS/.claude/skills/unit-economics-stress-test · Skill

  no license1★ repo

  Evidence-aware product-management skills and reviewer agents for discovery, strategy, build, launch, and iteration.

• 9221

  Fastapi testing

  dkmqflx/fastapi-best-practices-plugin/plugins/fastapi-best-practices/skills/fastapi-testing · Skill

  1★ repo

  Claude Code plugin: FastAPI best practices (41 rules, 13 categories) grounded in the official FastAPI docs

• 9222

  Skillproof

  Dafenxz0/skillproof/skills/skillproof · Skill

  1★ repo

  Prove your Agent Skill works before you publish it.

• 9223

  507 tdd

  ssdiwu/507-skills/code/507-tdd · Skill

  1★ repo

  Workflow-oriented Agent Skills for writing, coding, research, and decision alignment.

• 9224

  507 test

  ssdiwu/507-skills/code/507-test · Skill

  1★ repo

  Workflow-oriented Agent Skills for writing, coding, research, and decision alignment.

• 9225

  Implement

  eduardkumskyi/octo/skills/implement · Skill

  no license1★ repo

  🐙 octo — portable AI-agent workflow plugin: plan → build → review-until-clean, a lessons engine that absorbs every bug it sees, an autonomous studio mode, and Mission Control. Every bug leaves a scar; octo remembers. Works with Claude Code and any Agent Skills harness.

• 9226

  Test

  eduardkumskyi/octo/skills/test · Skill

  no license1★ repo

  🐙 octo — portable AI-agent workflow plugin: plan → build → review-until-clean, a lessons engine that absorbs every bug it sees, an autonomous studio mode, and Mission Control. Every bug leaves a scar; octo remembers. Works with Claude Code and any Agent Skills harness.

• 9227

  Mutation testing

  andr-ca/agentharness/.claude/skills/mutation-testing · Skill

  1★ repo

  Portable engineering policies for coding agents — git, testing, logging, and language conventions written once and referenced everywhere

• 9228

  Testing

  andr-ca/agentharness/.claude/skills/testing · Skill

  1★ repo

  Portable engineering policies for coding agents — git, testing, logging, and language conventions written once and referenced everywhere

• 9229

  Conversion cro

  whatsuppiyush/god-of-skills/marketing/conversion-cro · Skill

  1★ repo

  Free, tested AI skills, prompts & image style guides for Claude, ChatGPT, Cursor & agent tools. Organised by department. Install via SKILL.md or MCP. https://godofskills.com

• 9230

  Analytics data

  whatsuppiyush/god-of-skills/research/analytics-data · Skill

  1★ repo

  Free, tested AI skills, prompts & image style guides for Claude, ChatGPT, Cursor & agent tools. Organised by department. Install via SKILL.md or MCP. https://godofskills.com

• 9231

  Apidog cli

  apidog/apidog-cli-skills/.well-known/agent-skills/apidog-cli · Skill

  no license1★ repo

  AI Agent Skills for Apidog CLI, helping agents manage API projects, automated tests and CI workflows.

• 9232

  Apidog test automation

  apidog/apidog-cli-skills/.well-known/agent-skills/apidog-test-automation · Skill

  no license1★ repo

  AI Agent Skills for Apidog CLI, helping agents manage API projects, automated tests and CI workflows.

• 9233

  Apidog test case

  apidog/apidog-cli-skills/.well-known/agent-skills/apidog-test-case · Skill

  no license1★ repo

  AI Agent Skills for Apidog CLI, helping agents manage API projects, automated tests and CI workflows.

• 9234

  Apidog test scenario

  apidog/apidog-cli-skills/.well-known/agent-skills/apidog-test-scenario · Skill

  no license1★ repo

  AI Agent Skills for Apidog CLI, helping agents manage API projects, automated tests and CI workflows.

• 9235

  Apidog workflow api lifecycle

  apidog/apidog-cli-skills/.well-known/agent-skills/apidog-workflow-api-lifecycle · Skill

  no license1★ repo

  AI Agent Skills for Apidog CLI, helping agents manage API projects, automated tests and CI workflows.

• 9236

  Node testing

  Paldom/node-skills/skills/node-testing · Skill

  1★ repo

  Agent Skills for maintaining high-quality open-source Node.js, TypeScript, Next.js, and React apps and packages - linting, type safety, testing, packaging and releases, and CI quality gates.

• 9237

  Mobile verification

  jeremyinthebay/relay-skills/skills/mobile-verification · Skill

  1★ repo

  Running an AI agent unattended without losing your work. Four skills from a loop that broke in 24 different ways.

• 9238

  Implement spec

  dineshrevunuru/SuperSkills/implement-spec · Skill

  1★ repo

  How I work, encoded as skills — 88 portable AI SKILL.md files (research, design, AI-product, motion, code, business). Fork it, make it yours. Inspired by @mattpocock + @emilkowalski, grounded in NN/g.

• 9239

  Plan usability test

  dineshrevunuru/SuperSkills/plan-usability-test · Skill

  1★ repo

  How I work, encoded as skills — 88 portable AI SKILL.md files (research, design, AI-product, motion, code, business). Fork it, make it yours. Inspired by @mattpocock + @emilkowalski, grounded in NN/g.

• 9240

  Run contextual research

  dineshrevunuru/SuperSkills/run-contextual-research · Skill

  1★ repo

  How I work, encoded as skills — 88 portable AI SKILL.md files (research, design, AI-product, motion, code, business). Fork it, make it yours. Inspired by @mattpocock + @emilkowalski, grounded in NN/g.