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

• 4201

  Test writing

  KarmaloopAI/Jiva/examples/personas/tester/skills/test-writing · Skill

  35★ repo

  Jiva is a CLI-first, open source autonomous AI agent and open alternative to Claude. Written in TypeScript with native support for Sarvam-105B and gpt-oss-120b, it autonomously plans and executes tasks from your terminal. Supports MCP servers, a built-in Skills system, and Jiva Personas - a plugin framework fully compatible with Claude Plugins.

• 4202

  Improving tests

  alexei-led/cc-thingz/dist/claude/dev-flow/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4203

  Playwright skill

  alexei-led/cc-thingz/dist/codex/browser/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4204

  Improving tests

  alexei-led/cc-thingz/dist/codex/dev-flow/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4205

  Playwright skill

  alexei-led/cc-thingz/dist/copilot/browser/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4206

  Improving tests

  alexei-led/cc-thingz/dist/copilot/dev-flow/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4207

  Playwright skill

  alexei-led/cc-thingz/dist/cursor/browser/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4208

  Improving tests

  alexei-led/cc-thingz/dist/cursor/dev-flow/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4209

  Playwright skill

  alexei-led/cc-thingz/dist/grok/browser/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4210

  Improving tests

  alexei-led/cc-thingz/dist/grok/dev-flow/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4211

  Improving tests

  alexei-led/cc-thingz/dist/pi/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4212

  Playwright skill

  alexei-led/cc-thingz/dist/pi/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4213

  Fixing code

  alexei-led/cc-thingz/src/skills/fixing-code · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4214

  Improving tests

  alexei-led/cc-thingz/src/skills/improving-tests · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4215

  Playwright skill

  alexei-led/cc-thingz/src/skills/playwright-skill · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4216

  Refactoring code

  alexei-led/cc-thingz/src/skills/refactoring-code · Skill

  35★ repo

  Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

• 4217

  Browser testing

  OutlineDriven/odin-claude-plugin/skills/browser-testing · Skill

  34★ repo

  Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

• 4218

  Test driven

  OutlineDriven/odin-claude-plugin/skills/test-driven · Skill

  34★ repo

  Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

• 4219

  Tests adversarial

  OutlineDriven/odin-claude-plugin/skills/tests-adversarial · Skill

  34★ repo

  Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

• 4220

  Tests purge unneeded

  OutlineDriven/odin-claude-plugin/skills/tests-purge-unneeded · Skill

  34★ repo

  Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

• 4221

  Stress testing agent changes

  FlyFission/nuclear-grade-context-engineering/skills/stress-testing-agent-changes · Skill

  33★ repo

  AI agents now operate with authority. Authority without discipline is how complex systems fail. Nuclear’s control loop, ported to AI-assisted software engineering.

• 4222

  Tracking deficiencies

  FlyFission/nuclear-grade-context-engineering/skills/tracking-deficiencies · Skill

  33★ repo

  AI agents now operate with authority. Authority without discipline is how complex systems fail. Nuclear’s control loop, ported to AI-assisted software engineering.

• 4223

  Debugging

  iliaal/ai-skills/skills/debugging · Skill

  33★ repo

  Curated collection of agent skills for AI coding assistants.

• 4224

  Writing tests

  iliaal/ai-skills/skills/writing-tests · Skill

  33★ repo

  Curated collection of agent skills for AI coding assistants.

• 4225

  Autonomous review

  zxkane/autonomous-dev-team/skills/autonomous-review · Skill

  no license33★ repo

  Turns issues into merged PRs/MRs with zero human intervention — supports GitHub and GitLab, and Claude Code, Codex CLI, Kiro CLI, Antigravitiy CLI, opencode, and other agent CLIs.

• 4226

  Symfony testing

  aligundogdu/symfony-hexagonal-skill/skills/symfony-testing · Skill

  no license32★ repo

  Claude Code plugin that enforces hexagonal architecture (ports & adapters) in Symfony projects — with 10 auto-triggered skills, 2 review agents, and progressive refactoring support for existing codebases.

• 4227

  Foundry solidity

  tenequm/skills/skills/foundry-solidity · Skill

  32★ repo

  Agent skills for building, shipping, and growing software products

• 4228

  Go dev

  tenequm/skills/skills/go-dev · Skill

  32★ repo

  Agent skills for building, shipping, and growing software products

• 4229

  Playwright cli cloakbrowser

  tenequm/skills/skills/playwright-cli-cloakbrowser · Skill

  32★ repo

  Agent skills for building, shipping, and growing software products

• 4230

  Rust dev

  tenequm/skills/skills/rust-dev · Skill

  32★ repo

  Agent skills for building, shipping, and growing software products

• 4231

  Browser testing with devtools

  jmxt3/gitscape.ai/.agents/skills/browser-testing-with-devtools · Skill

  32★ repo

  Scan any agent skill — authored or compiled — for prompt injection, secrets, and malicious execution before it touches your agent. Or compile the long tail on the fly.

• 4232

  Test driven development

  jmxt3/gitscape.ai/.agents/skills/test-driven-development · Skill

  32★ repo

  Scan any agent skill — authored or compiled — for prompt injection, secrets, and malicious execution before it touches your agent. Or compile the long tail on the fly.

• 4233

  Test driven development

  itallstartedwithaidea/agent-skills/skills/software-dev/test-driven-development · Skill

  31★ repo

  The definitive open-source agent skills library for AI-powered Google Ads management. 73+ skills across 10 categories. Built for googleadsagent.ai™. Works with Claude Code, Cursor, Codex, Gemini, and more.

• 4234

  Agent loops

  NickCrew/Claude-Cortex/skills/agent-loops · Skill

  30★ repo

  Claude Cortex

• 4235

  Condition based waiting

  NickCrew/Claude-Cortex/skills/condition-based-waiting · Skill

  30★ repo

  Claude Cortex

• 4236

  Constructive dissent

  NickCrew/Claude-Cortex/skills/constructive-dissent · Skill

  30★ repo

  Claude Cortex

• 4237

  Dev workflows

  NickCrew/Claude-Cortex/skills/dev-workflows · Skill

  30★ repo

  Claude Cortex

• 4238

  Playwright

  NickCrew/Claude-Cortex/skills/playwright · Skill

  30★ repo

  Claude Cortex

• 4239

  Python testing patterns

  NickCrew/Claude-Cortex/skills/python-testing-patterns · Skill

  30★ repo

  Claude Cortex

• 4240

  Security testing patterns

  NickCrew/Claude-Cortex/skills/security-testing-patterns · Skill

  30★ repo

  Claude Cortex

• 4241

  Systematic debugging

  NickCrew/Claude-Cortex/skills/systematic-debugging · Skill

  30★ repo

  Claude Cortex

• 4242

  Test generation

  NickCrew/Claude-Cortex/skills/test-generation · Skill

  30★ repo

  Claude Cortex

• 4243

  Test review

  NickCrew/Claude-Cortex/skills/test-review · Skill

  30★ repo

  Claude Cortex

• 4244

  Testing anti patterns

  NickCrew/Claude-Cortex/skills/testing-anti-patterns · Skill

  30★ repo

  Claude Cortex

• 4245

  Testing skills with subagents

  NickCrew/Claude-Cortex/skills/testing-skills-with-subagents · Skill

  30★ repo

  Claude Cortex

• 4246

  Webapp testing

  NickCrew/Claude-Cortex/skills/webapp-testing · Skill

  30★ repo

  Claude Cortex

• 4247

  Tdd

  tt-a1i/matt-skills-with-to-goal/skills/tdd · Skill

  30★ repo

  Planning → verifiable goals → fresh-session implementation for AI coding agents. Based on mattpocock/skills v1.1.

• 4248

  Skill2 test

  blackblue-labs/skill2/skills/skill2-test · Skill

  30★ repo

  Skills for your skills. Create, test, audit, package, and visualize Agent Skill libraries—locally.

• 4249

  Qa expert

  saeed-vayghan/gemini-agent-skills/.gemini/skills/qa-expert · Skill

  30★ repo

  A comprehensive collection of expert AI Agent Skills for Google Gemini, featuring a powerful CLI to convert and optimize Claude Code agents for the Gemini ecosystem.

• 4250

  Test automator

  saeed-vayghan/gemini-agent-skills/.gemini/skills/test-automator · Skill

  30★ repo

  A comprehensive collection of expert AI Agent Skills for Google Gemini, featuring a powerful CLI to convert and optimize Claude Code agents for the Gemini ecosystem.

• 4251

  Integration e2e testing

  shinpr/codex-workflows/.agents/skills/integration-e2e-testing · Skill

  30★ repo

  Controlled, reviewable agentic coding workflows for OpenAI Codex CLI with task-specific subagents, explicit planning, TDD, and quality gates.

• 4252

  Recipe add integration tests

  shinpr/codex-workflows/.agents/skills/recipe-add-integration-tests · Skill

  30★ repo

  Controlled, reviewable agentic coding workflows for OpenAI Codex CLI with task-specific subagents, explicit planning, TDD, and quality gates.

• 4253

  Testing

  shinpr/codex-workflows/.agents/skills/testing · Skill

  30★ repo

  Controlled, reviewable agentic coding workflows for OpenAI Codex CLI with task-specific subagents, explicit planning, TDD, and quality gates.

• 4254

  Research hypothesis testing

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/data-analysis/research-hypothesis-testing · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4255

  Browserbase ui test

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/dev-tooling/browserbase-ui-test · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4256

  Playwright browser testing

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/dev-tooling/playwright-browser-testing · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4257

  Prowler pytest

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/dev-tooling/prowler-pytest · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4258

  Superpowers test driven development

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/dev-tooling/superpowers-test-driven-development · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4259

  Webapp testing

  ItamarZand88/awesome-agent-conventions/conventions/skill-md/examples/dev-tooling/webapp-testing · Skill

  30★ repo

  A curated guide to convention files AI agents read, write, and act on: AGENTS.md, CLAUDE.md, SKILL.md, llms.txt, MCP configs, rules, and examples.

• 4260

  Web renderer test

  MoizIbnYousaf/marketing-cli/skills/remotion-best-practices/references/upstream-internal/skills/web-renderer-test · Skill

  29★ repo

  Agent-native marketing CLI: 58 skills, 5 research agents, brand memory that compounds across sessions, and a local Studio dashboard. One npm install, then /cmo in your coding agent.