1,916 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 agents7,489Claude Code6,592Data and AI3,693Backend and APIs3,493Languages3,401Planning3,203Git and workflow3,138Code review2,732Memory and context2,360DevOps and cloud2,295Research2,291Writing and docs2,287
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 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 | 12,890 tok |
| a8cteam51/kosh A Claude Code plugin for testing WordPress sites. | 8 | Claude Code | 2 | 1,355 tok |
| morodomi/tdd-skills Strict TDD plugin for Claude Code. Autonomous 7-phase workflow with multi-agent parallel e | 8 | Claude Code | 1 | 1,405 tok |
| elmochilyas/laraskills | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 10 | 6,522 tok |
| vepo/issues Sistema de Gestão de Mudanças | 8 | Claude Code, Codex, Cursor, OpenCode | 25 | 4,153 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 |
| iamadi11/mcp-ui-poc mcp-ui-poc.vercel.app | 8 | Claude Code | 15 | 531 tok |
| yiouli/pixie-qa Agent skill for AI agent development | 8 | Claude Code, GitHub Copilot | 2 | 7,490 tok |
| kanetran29/uigraph npmjs.com Your app generates its own verified UI transition graph — screens as nodes, guarded (event | 8 | Claude Code | 1 | 36 tok |
| cocaxcode/api-testing-mcp npmjs.com The most complete MCP server for API testing. 27 tools: requests, assertions, flows, OpenA | 8 | Claude Code | 1 | 959 tok |
| Ostico/bruno-mcp-studio npmjs.com MCP server for Bruno: an AI agent authors, reads and runs .bru and .yml API collections. N | 8 | Claude Code | 1 | 1,711 tok |
| MauricioPerera/KDD mauricioperera.github.io 🧠 Knowledge-Driven Development (KDD): ready-to-use template combining OKF (knowledge as l | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 860 tok |
| Kapi-IDE/kapi-sprints Sprint dashboard for Claude Code teams — Backwards Build + Blackboard coordination | 8 | Claude Code | 15 | — |
| luiscarbonel1991/nlp2sql Enterprise-ready Natural Language to SQL converter with multi-provider AI support (OpenAI, | 8 | Claude Code | 5 | 1,413 tok |
| PMDevSolutions/Aurelius A Claude Code toolkit for building React apps, from Figma designs to shipped product. Ship | 8 | Claude Code | 3 | 7,530 tok |
| miikkij/aimeat-protocol aimeat.io The Linux of AI - an open, federated, self-hosted AI operating system. Humans, AI agents, | 7 | Claude Code | 18 | 13,411 tok |
| kaisers-io/refs npmjs.com Gives coding agents the real source of your dependencies, not a guess. | 7 | Claude Code, Codex, OpenCode | 2 | 1,342 tok |
| naimkatiman/continuous-improvement continuous-improvement.dev Claude Code that gets sharper every session: runtime discipline and instinct memory (the 7 | 7 | Claude Code, Codex, OpenCode | 2 | 6,159 tok |
| steve-magne/hookstack hookstack.app Claude Code hooks catalogue — production-ready hooks for Claude Code, OpenAI Codex & GitHu | 7 | Claude Code, Codex, OpenCode | 28 | 9,006 tok |
| hslee16/Archy Architectural sensor for Python codebases - keeps structure honest under AI-assisted devel | 7 | Claude Code, Codex, OpenCode | 2 | 3,269 tok |
| gomilesf/convergo Disciplined software engineering for coding agents: plan → review → build loops that actua | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 865 tok |
| paultyng/testagent Deterministic fake of the claude and codex CLIs. Test hooks and orchestrator integrations | 7 | Claude Code, Codex, OpenCode | 5 | 2,201 tok |
| DebugSwift/XcodeBazelMCP xcodebazelmcp.github.io MCP server and CLI for Bazel-based Apple platform development — tools for iOS, macOS, tvOS | 7 | Claude Code, Codex | 7 | — |
| layer1labs/specsmith specsmith.readthedocs.io Lean governance for AI-assisted development: requirements tracking, test enforcement, epis | 7 | Claude Code, Codex, OpenCode | 37 | 883 tok |
| canblmz1/ruleProb Test whether your CLAUDE.md, AGENTS.md and .cursor/rules actually survive AI agent executi | 7 | Claude Code, Codex, OpenCode | 2 | 2,881 tok |
| lqwdtech/SaturnZap lqwdtech.github.io Bitcoin Lightning wallet CLI built for autonomous AI agents. | 7 | Claude Code, GitHub Copilot | 3 | 1,782 tok |
| ksgisang/AI-Watch-Tester ai-watch-tester.vercel.app AI-powered automated E2E testing. Just enter a URL — AI generates and runs test scenarios. | 7 | Claude Code, Codex, OpenCode | 2 | 6,408 tok |
| burgebj/claude_everything | 7 | Claude Code, Codex, Kiro | 58 | — |
| btafoya/mailsandbox MailSandbox is a fast, zero-dependency email testing tool & API with a web UI, SMTP server | 7 | 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 | 7 | Claude Code, Codex, OpenCode | 25 | 764 tok |
| kirkchen/beat Agent-driven BDD workflow plugin for Claude Code | 7 | Claude Code | 1 | 3,899 tok |
| gemyago/atlacp Bitbucket MCP server | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,723 tok |
| josefbacik/kerneldev-mcp A MCP server for configuring, building, booting, and testing kernels | 7 | Claude Code | 1 | 1,725 tok |
| jafreck/Lore Code intelligence MCP for AI Agents | 7 | Claude Code, Codex | 3 | 611 tok |
| davebream/claude-of-alexandria Claude plugin for rigorous biblical study. TDD-built to prevent AI failures: psychologizin | 7 | Claude Code | 2 | 5,437 tok |
| gosha70/code-copilot-team Project templates with multi-agent team configurations for AI code copilots. Includes read | 7 | Claude Code, GitHub Copilot | 20 | 31,183 tok |
| cekura-ai/cekura-skills Claude Plug-Ins & Skills for Cekura | 7 | Claude Code, Gemini CLI | 2 | 14,813 tok |
| garoon/garoon-mcp-server Garoon official MCP server | 7 | Claude Code, GitHub Copilot | 5 | 1,832 tok |
| joshsmithxrm/power-platform-developer-suite joshsmithxrm.github.io Pro-grade tooling for Power Platform developers | 7 | Claude Code, GitHub Copilot | 30 | 1,152 tok |
| archimedes-run/omniHarness archimedes.run OmniHarness is an open-source super agent harness that orchestrates sub-agents, persistent | 7 | Claude Code, Codex, GitHub Copilot | 12 | 1,717 tok |
| agno-agi/agentos-docker docs.agno.com AgentOS: Serve agents over API, MCP, and chat interfaces like Slack | 7 | Claude Code, Codex, OpenCode | 11 | 15,226 tok |
| LinkedInLearning/playwright-ai-automating-tests-with-mcp-copilot-and-chatgpt-7263000 This is a repo for the LinkedIn Learning course: Playwright and AI: Automating Tests with | 7 | Claude Code, GitHub Copilot | 6 | 712 tok |
| jstoup111/ai-conductor | 7 | Claude Code, Codex, OpenCode | 8 | 10 tok |
| jasonrr/herdr-tally Project-scoped todos & scratchpads for you and your agents. | 7 | Claude Code, Codex, OpenCode | 3 | 2,010 tok |
| alilee/cranelisp Statically typed, jit compiled, pure functional lisp | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 6,595 tok |
| JacobCoffee/debug-toolbar debug-toolbar.scriptr.dev Debuggability elevated. Debug toolbar for ASGI applications. | 7 | Claude Code | 12 | 2,236 tok |