2,330 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353DevOps and cloud2,293Research2,288Writing and docs2,283
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| snyk/snyk-ls snyk.io Language Server used by IDEs as Snyk Backend for Frontends | 83 | Claude Code, Codex, Cursor, OpenCode | 9 | 1,343 tok |
| moorestech/moorestech Animated open world automated factory game | 83 | Claude Code, Codex, OpenCode | 71 | 4,132 tok |
| flplima/tmuxy tmuxy.sh The missing tmux GUI. Not a terminal emulator. | 83 | Claude Code | 5 | 2,116 tok |
| G12789/mcp-quickstart Forge a working, testable, publishable MCP server in 30s. TypeScript or Python, with examp | 81 | Codex, OpenCode | 1 | 714 tok |
| Blushyes/reef blushyes.github.io The minimal dev terminal for the AI coding era — AI writes the code, Reef is where you r | 81 | Claude Code, Codex | 3 | — |
| JasonBoy/msw-mcp msw-mcp-docs.vercel.app Cli & MCP server for msw (Mock Service Worker) for AI Agents with dynamic mocking | 81 | Claude Code, Codex, OpenCode | 2 | 940 tok |
| changkun/wallfacer wf.latere.ai Chat, specs, tasks, and code. An autonomous engineering platform. Full autonomy when you t | 81 | Codex, OpenCode | 1 | 202 tok |
| cartridge-gg/controller x.cartridge.gg A self custodial embedded account to seamlessly play onchain games | 80 | Claude Code, Codex, OpenCode | 20 | 2,222 tok |
| swt-labs/vibe-better-with-claude-code-vbw Vibe Better With Claude Code - You're not an engineer anymore. You're a prompt jockey with | 79 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 6,082 tok |
| quboqin/template-agenticide-vibecoding quboqin.github.io 🤖 Customized Claude Code R&D workflow system—a Spec-Driven and Test-Driven AI agent team | 79 | Claude Code | 1 | 2,858 tok |
| wham/github-brain An experimental GitHub MCP server with local database. | 78 | Claude Code, Codex, OpenCode | 2 | 103 tok |
| ronikobrosly/RigorLoop A statistically-sound agentic build framework that employs agentic loops to create code ar | 78 | Claude Code, Codex, OpenCode | 2 | 1,515 tok |
| strands-rl/strands-sglang SGLang model provider for Strands Agents. | 78 | Claude Code, Codex, OpenCode | 7 | 3,558 tok |
| fastxyz/skill-optimizer Benchmark, evaluate, and optimize skills to ensure reliable performance across all LLMs | 77 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,762 tok |
| mit-network/everything-claude-code | 77 | Claude Code, Codex, Kiro | 58 | — |
| bottobot/touchdesigner-mcp-server npmjs.com TouchDesigner Documentation MCP Server v2.6.1 - FIXED Python API tools! Features 629 opera | 77 | Claude Code | 24 | — |
| oaslananka/kicad-mcp-pro oaslananka.github.io AI-ready MCP server for KiCad: automate schematic, PCB, ERC/DRC, DFM, BOM and manufacturin | 77 | Claude Code, Codex, OpenCode | 9 | 427 tok |
| AndyEverything/openproject-mcp-server A Model Context Protocol (MCP) server that provides seamless integration with OpenProject | 76 | Claude Code | 9 | — |
| decider/claude-hooks Comprehensive hooks for Claude Code to enforce clean code practices and automate workflows | 75 | Claude Code | 5 | 445 tok |
| nyaomaru/is-kit is-kit.dev Build small guards. Compose them. Lightweight, zero-dependency TypeScript type guards for | 75 | Codex, OpenCode | 1 | 2,345 tok |
| smolcars/hunk A GPUI based diff viewer and Codex orchestrator for vibe engineering | 74 | Claude Code, Codex, OpenCode | 8 | 1,393 tok |
| iammm0/secbot secbot.site Authorized security testing workspace. v2 TypeScript terminal product on release; v1 Pytho | 73 | Claude Code, Codex, OpenCode | 2 | 2,869 tok |
| binggg/Claude-Code-Web-GUI binggg.github.io Browse, view and share your Claude Code sessions - runs entirely in the browser Browse and | 72 | Claude Code | 1 | 58 tok |
| scylladb/scylla-cluster-tests Tests for Scylla Clusters | 72 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 9,330 tok |
| halilural/electron-mcp-server npmjs.com MCP server that lets AI assistants automate, debug and screenshot any Electron app over th | 71 | Claude Code | 1 | 330 tok |
| www-zaq-ai/zaq zaq.ai Connect your people, tools and data with your custom AI agents. ZAQ is an open source coll | 71 | Claude Code, Codex, OpenCode | 54 | 4,061 tok |
| sunnykgupta/AI-Helpers Bunch of helpers I have built for myself to ensure I do not have to repeat myself for the | 70 | Claude Code, OpenCode | 5 | — |
| WillEhrendreich/SageFs willehrendreich.github.io Sage Mode for F# development — REPL with solution or project loading, Live Testing for FRE | 70 | Codex, OpenCode | 1 | 1,552 tok |
| supabase/pg-toolbelt Postgres migrations made easy | 70 | Claude Code, Codex, OpenCode | 3 | 11 tok |
| tan-yong-sheng/triliumnext-mcp MCP server for TriliumNext Notes | 69 | Claude Code, Codex, OpenCode | 20 | 11,344 tok |
| andrianllmm/renux pypi.org A terminal-based bulk file renamer with a TUI | 69 | Claude Code, Codex, OpenCode | 4 | 247 tok |
| nylas/cli cli.nylas.com Nylas CLI is a unified command-line tool for Nylas API authentication, email management (G | 69 | Claude Code, Codex, OpenCode | 21 | 2,360 tok |
| debugg-ai/debugg-ai-mcp debugg.ai Zero-Config, Fully AI-Managed End-to-End Testing for all code gen platforms. | 68 | Codex, OpenCode | 1 | 1,813 tok |
| basalt-ai/cobalt | 68 | Claude Code | 1 | 3,875 tok |
| mauripsale/doc-adk-training Learn to build, test, and deploy production-ready AI agents with this complete "From Zero | 66 | Gemini CLI | 1 | 526 tok |
| wingedsheep/argentum-engine magic.wingedsheep.com Magic: The Gathering rules engine + online play platform, in Kotlin | 65 | Claude Code, Codex, OpenCode | 16 | 3,247 tok |
| pluginslab/vphone-mcp MCP server for programmatic control of vphone-cli iOS VMs — AI-driven E2E testing | 65 | Claude Code | 1 | 325 tok |
| AzureAD/microsoft-authentication-library-common-for-objc Common code used by both the Active Directory Authentication Library (ADAL) and the Micros | 65 | Claude Code, GitHub Copilot | 2 | 923 tok |
| hhopke/intervals-icu-mcp Read/write MCP server for Intervals.icu — training data, planning, and structured workout | 64 | Claude Code | 6 | 1,873 tok |
| whats2000/isaacsim-mcp-server Isaac Simulation MCP Extension and Server | 64 | Claude Code | 1 | 3,594 tok |
| thumbor/libthumbor Python's extensions to thumbor. These are used to generate safe urls among others. | 64 | Codex, OpenCode | 1 | 679 tok |
| callstackincubator/skillgym Prove your agent skills work before you ship them. | 63 | Codex, OpenCode | 1 | 48 tok |
| imdinu/apple-mail-mcp imdinu.github.io Apple Mail MCP server with full-coverage FTS5 body search. Reliable on large mailboxes whe | 63 | Claude Code | 1 | 5,350 tok |
| Zane456/PCB-Agent-Teams A multi-agent KiCad PCB design workspace: 9 skills driving a Phase 0-5 pipeline from topol | 63 | Claude Code | 12 | 3,323 tok |
| yfge/ai-video-studio AI video production workflow platform for professional short drama teams. Timeline-first, | 62 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 1,434 tok |
| NomaDamas/girlfriend-in-cli An AI girlfriend or boyfriend that lives inside your terminal. Real personas, real convers | 62 | Claude Code, Codex, OpenCode | 31 | 265 tok |
| BRIKEV/twd twd.dev Frontend tests that run in your real browser, against your real backend. No jsdom, no sepa | 61 | Claude Code | 4 | 1,425 tok |
| daryllabar/XrmUnitTest Xrm Unit Testing Framework With "In Memory" CRM server | 61 | GitHub Copilot, Cursor | 2 | 1,140 tok |
| OpenUploading/CogniFold arxiv.org An exploration to always on proactive memory. Design Philosophy — "imperfection by design" | 60 | Claude Code | 2 | — |
| pensar-x/argus-validation-benchmarks Self-contained, Dockerized offensive security challenges for evaluating AI-powered penetra | 60 | Claude Code | 1 | 8,584 tok |