1,494 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 agents8,369Claude Code6,848Data and AI3,594Git and workflow3,550Backend and APIs3,545Languages3,459Planning3,305Code review2,872DevOps and cloud2,444Writing and docs2,443Memory and context2,373Research2,311
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| av/mi self-extending sandboxed agentic harness. a loop, two tools and an llm | 103 | Claude Code, Codex, OpenCode | 14 | 2,441 tok |
| kuan-er/sjtu-agent kuan-er.github.io | 103 | Claude Code, Codex, OpenCode | 2 | 2,832 tok |
| ash-project/ash_typescript Automatic TypeScript type generation for Ash resources and actions | 103 | Claude Code, Codex, OpenCode | 3 | 10,629 tok |
| nubo-db/dynoxide dynoxide.dev A DynamoDB emulator in Rust, backed by SQLite. Starts in milliseconds as a single static b | 102 | Codex, OpenCode | 1 | 1,629 tok |
| Lumio-Research/hermes-agent-rs Self-evolving AI agent in Rust. Single binary, 10 LLM providers, 30+ tools, 17 platform ad | 99 | Codex, OpenCode | 1 | 5,716 tok |
| ionide/tree-sitter-fsharp F# grammar for treesitter | 98 | Codex, OpenCode | 3 | 3,741 tok |
| PascaleBeier/hitkeep hitkeep.com 100% open-source, AI-native web analytics with cookieless tracking, open exports, custom d | 98 | Claude Code, Codex, OpenCode | 13 | 3,023 tok |
| mloda-ai/mloda mloda.ai mloda.ai - Open Data Access for AI and ML. Plugin-based. Traceable. Framework-agnostic. | 98 | Claude Code, Codex, OpenCode | 4 | 3,624 tok |
| jupyter-ai-contrib/nb-cli A CLI-first interface for AI agents to work with notebooks | 96 | Claude Code, Codex, OpenCode | 2 | 846 tok |
| castacks/AirStack docs.theairlab.org Agent-native framework for rapid sim-to-real deployment of embodied AI for field robotics. | 95 | Claude Code, Codex, OpenCode | 26 | 9,691 tok |
| NakaokaRei/SwiftAutoGUI nakaokarei.github.io A Swift library for macOS automation — mouse, keyboard, screenshots, image recognition, an | 94 | Claude Code, Codex, OpenCode | 4 | 973 tok |
| garagon/aguara aguarascan.com The open source security engine for AI agent and supply-chain trust. | 94 | Claude Code, Codex, OpenCode | 2 | 6,918 tok |
| leboncoin/spark-web main--69d967830091f4360fd30d22.chromatic.com ✨ Simple, Modular & Accessible UI Components for your React Applications | 94 | Claude Code, Codex, Cursor, OpenCode | 17 | 769 tok |
| webern/mx C++ binding for MusicXML. | 93 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 4,230 tok |
| dashpay/platform docs.dash.org Structured data storage blockchain with secondary indices and identities. | 93 | Claude Code, Codex, OpenCode | 9 | 2,590 tok |
| engindemirog/ai-native-engineering-workspace | 93 | Claude Code, Codex, OpenCode | 2 | 644 tok |
| dbt-labs/dbt-autofix CLI to help users refactor dbt projects by automatically fixing deprecations | 92 | Claude Code, Codex, OpenCode | 2 | 1,334 tok |
| d3mocide/Sovereign_Watch Distributed Multi-INT Fusion Center designed for decentralized situational awareness. | 91 | Claude Code, Codex, Cursor, OpenCode | 28 | 4,475 tok |
| wang-baohai/Omni-Stack A microservices scaffold platform and ERP based on Spring Boot 4 + Vue 3, built using the | 90 | Claude Code, Codex, OpenCode | 3 | 5,219 tok |
| cl-ai-project/cl-mcp | 90 | Claude Code, Codex, OpenCode | 6 | 4,867 tok |
| r-lib/downlit downlit.r-lib.org Syntax Highlighting and Automatic Linking | 90 | Claude Code, Codex, OpenCode | 2 | 1,253 tok |
| ftes/phoenix_test_playwright hexdocs.pm Execute PhoenixTest cases in an actual browser via Playwright. | 89 | Claude Code, Codex, OpenCode | 2 | 270 tok |
| tenequm/pond pond.locker Lossless storage and search for AI agent sessions, across every agentic client. | 89 | Codex, OpenCode | 1 | 10,281 tok |
| vanillagreencom/kendex kendex.ai Package manager for agents, skills, hooks, and extensions. Author once, install on every h | 88 | Claude Code, Codex, GitHub Copilot, OpenCode | 78 | 3,231 tok |
| UncertaintyArchitectureGroup/The-Subprime-Code-Crisis Independent research synthesis on AI-assisted software delivery risk: how local code-gener | 88 | Codex, OpenCode | 1 | 8,418 tok |
| autohandai/commander autohand.ai Commander, your AI coding commander centre for all you ai coding cli agents | 87 | Codex, OpenCode | 1 | 2,227 tok |
| mmacpherson/tenforty Python library to compute US federal taxes, and state taxes for some states. | 87 | Claude Code, Codex, OpenCode | 5 | 3,205 tok |
| vantage-sh/vantage-mcp-server vantage.sh MCP Server to fetch costs and usage data from your Vantage account. | 86 | Claude Code, Codex, OpenCode | 4 | 1,849 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 | 86 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 4,356 tok |
| mortis-cube/mo-code mo-code is an experimental project by mortis implementing Claude Code's core functionality | 85 | Claude Code, Codex, OpenCode | 12 | 95 tok |
| WillEhrendreich/SageFs sagetech.dev Sage Mode for F# development — REPL with solution or project loading, Live Testing for FRE | 84 | Codex, OpenCode | 1 | 10,112 tok |
| moorestech/moorestech Animated open world automated factory game | 84 | Claude Code, Codex, OpenCode | 43 | 4,455 tok |
| fastxyz/skill-optimizer Benchmark, evaluate, and optimize skills to ensure reliable performance across all LLMs | 82 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,762 tok |
| snyk/snyk-ls snyk.io Language Server used by IDEs as Snyk Backend for Frontends | 82 | Claude Code, Codex, Cursor, OpenCode | 9 | 1,485 tok |
| www-zaq-ai/zaq zaq.ai Connect your people, tools and data with your custom AI agents. ZAQ is an open source coll | 82 | Claude Code, Codex, OpenCode | 54 | 1,729 tok |
| wingedsheep/argentum-engine magic.wingedsheep.com Magic: The Gathering rules engine + online play platform, in Kotlin | 81 | Claude Code, Codex, OpenCode | 19 | 4,866 tok |
| 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 |
| G12789/mcp-quickstart Forge a working, testable, publishable MCP server in 30s. TypeScript or Python, with examp | 80 | Codex, OpenCode | 1 | 714 tok |
| woocommerce/woocommerce-paypal-payments wordpress.org | 80 | Claude Code, Codex, OpenCode | 15 | 2,170 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 |
| supabase/pg-toolbelt Postgres migrations made easy | 80 | Claude Code, Codex, OpenCode | 3 | 11 tok |
| strands-rl/strands-sglang SGLang model provider for Strands Agents. | 79 | Claude Code, Codex, OpenCode | 7 | 3,637 tok |
| Aerozb/Postman-cn The latest fully Chinese-translated version of Postman | 79 | Claude Code, Codex, OpenCode | 3 | 3,002 tok |
| wham/github-brain An experimental GitHub MCP server with local database. | 78 | Claude Code, Codex, OpenCode | 2 | 103 tok |
| nylas/cli cli.nylas.com Nylas CLI is a unified command-line tool for Nylas API authentication, email management (G | 78 | Claude Code, Codex, OpenCode | 21 | 2,393 tok |
| maximem-ai/maximem_synap_sdk maximem.ai The memory and context-management layer for production AI agents. 95.6% on LongMemEval, 93 | 77 | Codex, OpenCode | 1 | 337 tok |
| iammm0/secbot secbot.site AI-powered authorized security testing workspace. Maintained on the release branch (NestJS | 76 | Claude Code, Codex, OpenCode | 2 | 4,183 tok |
| smolcars/hunk A GPUI based diff viewer and Codex orchestrator for vibe engineering | 76 | Claude Code, Codex, OpenCode | 8 | 1,393 tok |
| objectstack-ai/objectstack objectstack.ai The ontology is the software. One executable business ontology: AI writes it, the runtime | 76 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 19,407 tok |
| mochow13/keen-code mochow13.github.io A context-aware terminal-based coding agent written in Go. Supports multiple-providers, MC | 75 | Claude Code, Codex, OpenCode | 4 | 292 tok |