2,616 projects whose own agent configuration covers testing. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.
All projects Building agents8,373Claude Code6,850Data and AI3,591Backend and APIs3,549Git and workflow3,548Languages3,459Planning3,308Code review2,875Writing and docs2,447DevOps and cloud2,443Memory and context2,373Research2,309
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mikeparcewski/wicked-garden wg.wickedagile.com The skills your coding agent can't build alone: done re-checked from evidence, graph-aware | 9 | Claude Code, Codex, OpenCode | 3 | 753 tok |
| 0xHashy/fathom-fyi fathom.fyi Financial Reality for AI Agents — The FYI your agent needs before it acts. | 9 | Claude Code | 4 | 605 tok |
| grafana/grafana-ui-mcp-server An mcp server to allow LLMS gain context about grafana-ui component structure, usage and | 9 | Claude Code | 1 | 34 tok |
| livetap/livetap Push live data streams into your AI coding agent. MQTT, WebSocket, file tailing → expressi | 9 | Claude Code | 2 | 1,089 tok |
| bun913/playwright-min-network-mcp A minimal network monitoring MCP tool for Playwright browser automation. **Just 3 simple t | 9 | Claude Code | 1 | 703 tok |
| MadaBurns/bv-mcp blackveilsecurity.com DNS, email-authentication, TLS and exposure scanning for AI agents: 81 MCP tools, scored 0 | 9 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 20 | 8,973 tok |
| knowledgestack/ks-cookbook knowledgestack.ai Developer acceleration layer for enterprise RAG + agent pipelines. 32 production-style fla | 9 | Claude Code | 3 | 1,662 tok |
| Cbrown35/20i-MCP 20i.com 🚀 The first and only Model Context Protocol (MCP) server for 20i web hosting services. | 9 | Claude Code | 1 | 1,564 tok |
| mhawksey/gas-fakes-ext Gemini CLI Extension for Sandboxed Google Apps Script - This Gemini CLI extension provides | 9 | Gemini CLI | 1 | 1,310 tok |
| morodomi/tdd-skills Strict TDD plugin for Claude Code. Autonomous 7-phase workflow with multi-agent parallel e | 9 | Claude Code | 1 | 1,405 tok |
| yiouli/pixie-qa Agent skill for AI agent development | 9 | Claude Code, GitHub Copilot | 2 | 7,490 tok |
| naimkatiman/continuous-improvement continuous-improvement.dev Claude Code that gets sharper every session: runtime discipline and instinct memory (the 7 | 9 | Claude Code, Codex, OpenCode | 2 | 6,159 tok |
| kanetran29/uigraph npmjs.com Your app generates its own verified UI transition graph — screens as nodes, guarded (event | 9 | Claude Code | 1 | 36 tok |
| karthikcsq/google-tools-mcp npmjs.com MCP server unifying 169 Google Workspace tools across Drive, Docs, Sheets, Slides, Gmail, | 9 | Claude Code, Codex | 2 | — |
| kirkchen/beat Agent-driven BDD workflow plugin for Claude Code | 9 | Claude Code | 1 | 5,352 tok |
| anivar/jest-skill skills.sh AI agent skill for Jest 29/30 — 28 rules: mocks, async, timers, snapshots, CI. Works with | 9 | Codex, OpenCode | 1 | 5,070 tok |
| shuaiqideyu/SecAtlas Structured Chinese web penetration knowledge base: technical cards, topics, case studies, | 9 | Codex, OpenCode | 1 | 1,604 tok |
| dvarahq/evals4j dvarahq.com LLM evaluation for Java — LLM-as-judge, RAG, agent-trajectory and structured-output evalua | 9 | Claude Code | 1 | 1,095 tok |
| SafetyMP/Autonomous-EHS-Management autonomous-ehs-management.vercel.app Self-hosted incident to verified CAPA, with a TRIR that uses annual hours when the month g | 9 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 24 | 2,203 tok |
| alexhvastovich/playwright-ai-pom-starter Playwright POM, resilient locators, and repository skills for AI-assisted test automation. | 9 | Codex, OpenCode | 1 | 451 tok |
| a-szczudlo/OpenFounders Stress test relacji wspolnikow sp. z o.o. - otwarty skill AI (Claude Code / Cowork / Codex | 9 | Codex, OpenCode | 1 | 3,448 tok |
| centry-digital/bukku MCP server that connects AI assistants to Bukku, a Malaysian accounting platform | 9 | Claude Code | 4 | 751 tok |
| enthouan/trello-mcp trello-mcp.com Self-hostable MCP server for Trello, built for LLM clients and local workflows. | 9 | Codex, OpenCode | 3 | 3,457 tok |
| Autodesk/claude-browser-test-skills A Claude Code plugin: an E2E browser-test skill pipeline (author, refine, compile, and run | 9 | Claude Code | 1 | 694 tok |
| pedralcg/arcmap-mcp pedralcg.dev Servidor MCP para ArcMap 10.5–10.8: un asistente de IA conduce una sesión viva de ArcMap. | 9 | Claude Code | 1 | 762 tok |
| PMDevSolutions/Aurelius pmds.info A Claude Code toolkit for building React apps, from Figma designs to shipped product. Ship | 9 | Claude Code | 5 | 6,756 tok |
| hmcts/tcoe-playwright-example A sample repository for teams to use as a guide to set up Playwright in their own projects | 9 | GitHub Copilot | 1 | 4,004 tok |
| SamErde/TheCleaners day3bits.com PowerShell module to clean the loose ends from your Windows Servers. | 9 | Codex, GitHub Copilot, OpenCode | 2 | 1,470 tok |
| depromeet/16th-team6-Android The Android repository for Team 16's Six-Ten Chicken 🍗💚 | 9 | Claude Code, Codex, Gemini CLI | 8 | 948 tok |
| dedsecorg/agentic-dns POSIX-native MCP server for intercepting DNS escapes and enforcing deterministic domain re | 8 | Claude Code | 5 | — |
| polygraphso/litmus polygraph.so Behavioral litmus harness for MCP servers — the open @polygraphso/litmus package (CLI, lib | 8 | Claude Code | 1 | 1,877 tok |
| naimax/agent-harness-reference A minimal working example of a two-level agent harness: rules/subagents, control plane (WI | 8 | Claude Code, Codex, Cursor, OpenCode | 4 | 284 tok |
| Ozzeron/prompt-pack Curated AI coding skills focused on reducing AI-generated technical debt — reuse before cr | 8 | Claude Code, Codex, OpenCode | 2 | 1,244 tok |
| Infopibe/everything-claude-code | 8 | Claude Code, Codex, OpenCode | 50 | 2,001 tok |
| peva3/anchor Anchor — the production-grade AGENTS.md template for AI coding agents. 51 sections of batt | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 8,726 tok |
| the-metafactory/soma | 8 | Claude Code, Codex, OpenCode | 2 | 1,720 tok |
| a8cteam51/kosh A Claude Code plugin for testing WordPress sites. | 8 | Claude Code, Codex, OpenCode | 3 | 6,724 tok |
| vepo/issues Sistema de Gestão de Mudanças | 8 | Claude Code, Codex, Cursor, OpenCode | 25 | 4,153 tok |
| radu103/github-copilot-vscode-sap-dev-instructions | 8 | GitHub Copilot | 5 | 1,955 tok |
| BillDuke13/code-explainer-mcp A Cloudflare Worker that serves as an MCP (Model Context Protocol) server for code explana | 8 | Claude Code | 5 | 925 tok |
| jamesward/hello-spring-mcp-server | 8 | Claude Code, Codex, OpenCode | 2 | 223 tok |
| hslee16/Archy Architectural sensor for Python codebases - keeps structure honest under AI-assisted devel | 8 | Claude Code, Codex, OpenCode | 2 | 3,867 tok |
| DebugSwift/XcodeBazelMCP xcodebazelmcp.github.io MCP server and CLI for Bazel-based Apple platform development — tools for iOS, macOS, tvOS | 8 | Claude Code, Codex | 7 | — |
| layer1labs/specsmith specsmith.readthedocs.io Lean governance for AI-assisted development: requirements tracking, test enforcement, epis | 8 | Claude Code, Codex, OpenCode | 37 | 883 tok |
| btafoya/mailsandbox MailSandbox is a fast, zero-dependency email testing tool & API with a web UI, SMTP server | 8 | Claude Code | 1 | 1,392 tok |
| bharath03-a/GitCortex bharath03-a.github.io Branch-aware code knowledge graph for Git repos — indexes your codebase on every commit vi | 8 | Claude Code, Codex, OpenCode | 25 | 764 tok |
| BjornMelin/dev-skills AgentSkills library: reusable skills for AI coding agents (AI SDK, Codex, LangGraph, Supab | 8 | Codex, OpenCode | 1 | 4,549 tok |
| davebream/claude-of-alexandria Claude plugin for rigorous biblical study. TDD-built to prevent AI failures: psychologizin | 8 | Claude Code | 2 | 6,188 tok |
| cekura-ai/cekura-skills Claude Plug-Ins & Skills for Cekura | 8 | Claude Code, Gemini CLI | 2 | 16,032 tok |
| kint4/autoframe AI-native QA automation framework — Playwright + TypeScript + k6 + Allure with 14 built-in | 8 | Claude Code | 15 | 4,002 tok |