2,181 projects whose own agent configuration covers languages. 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| pimcore/studio-backend-bundle Studio Backend bundle | 20 | Claude Code, Codex, GitHub Copilot | 3 | 1,670 tok |
| dirien/yet-another-agent-harness dirien.github.io A Go agent harness for Claude Code — runtime hooks, MCP server, session tracking, middlewa | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 71 | 2,374 tok |
| sx4im/chronos docs-site-chronos.vercel.app Deterministic Simulation Testing (DST) framework for TypeScript & Node.js. Reproduce distr | 19 | Claude Code, Codex, OpenCode | 2 | 2,899 tok |
| ITlearning/study-ios Swift Study Skills | 19 | Claude Code, Codex, OpenCode | 4 | 170 tok |
| eddmann/my-own-coding-agent Educational Python coding agent with provider-agnostic LLM support, skills system, and ext | 19 | Claude Code, Codex, OpenCode | 2 | 47 tok |
| SamMorrowDrums/mcp-python-starter A starter MCP server in Python. | 19 | Codex, OpenCode | 1 | 1,072 tok |
| gpauloski/python-template gregpauloski.com Python package template | 19 | Claude Code, Codex, OpenCode | 2 | 772 tok |
| paulnsorensen/easy-cheese cheeselord.dev Cheese your code 🧀 — high-quality results as easy as cheese. A portable, harness-agnostic | 19 | Codex, GitHub Copilot, OpenCode | 5 | 5,058 tok |
| safe-agentic-world/nomos Deny-wins policy hook for Claude Code and Codex. Checks every shell, file, and fetch call | 19 | Claude Code, Codex, OpenCode | 2 | 2,832 tok |
| lydakis/alloy alloy.fyi Python for logic. English for intelligence. | 19 | Codex, OpenCode | 1 | 2,397 tok |
| lidge-jun/claude-e npmjs.com PTY-backed claude -p-style executor for Claude Code, packaged as the claude-e npm CLI | 19 | Codex, OpenCode | 1 | 227 tok |
| egany/agentic-working-kit Open resources for workflows/skills/rules/tools on AgenticWorking.io – empowering non-code | 19 | Claude Code, Codex | 4 | — |
| ChouChiu/heya-skill hs.wwchun.top In-depth analysis based on Bilibili creator Heya's video titles, teaching AI to learn Heya | 19 | Codex, OpenCode | 1 | 1,318 tok |
| jnPiyush/AgentX agentx-silk.vercel.app AgentX - Digital Force for Software Delivery | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 11,896 tok |
| SiniyaYousuf/everything_claudecode | 19 | Claude Code, Codex, OpenCode | 58 | — |
| Muvon/octofs octomind.run Rust MCP filesystem server for AI coding agents: view, edit, batch-edit, shell, search, ha | 19 | Codex, OpenCode | 1 | 1,613 tok |
| langchain4j/langchain4j-cdi Integrating langChain4J with CDI to be able to infuse applications with Ai seamlessly | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,468 tok |
| remarkablegames/setup-butler 🎩 Set up GitHub Actions with itch.io butler CLI | 19 | Codex, OpenCode | 1 | 525 tok |
| melodypapa/py-armodel support AUTOSAR model with python | 19 | Claude Code, Codex, OpenCode | 9 | 8,552 tok |
| walkindude/gosymdb A Go symbol and call-graph database backed by SQLite. Query symbols, callers, callees, bla | 18 | Claude Code, Codex, OpenCode | 4 | 2,267 tok |
| liqiongyu/agentpack crates.io A declarative, safe control plane for deploying coding-agent assets across tools. | 18 | Codex, OpenCode | 2 | 1,011 tok |
| castle-x/skills-x AI Agent Skills Repo | 18 | Claude Code, Codex, OpenCode | 23 | 1,183 tok |
| SonAIengine/graph-tool-call pypi.org Graph-based tool retrieval for LLM agents — 248 tools → 82% accuracy, 79% fewer tokens. Ze | 18 | Claude Code, Codex, OpenCode | 2 | 188 tok |
| dotcommander/cclint Linter for Claude Code agents, commands, and skills | 18 | Claude Code, Codex, OpenCode | 2 | 9 tok |
| blxzer77/cursor-trellis | 18 | Claude Code, Codex, OpenCode | 15 | 4,726 tok |
| andreapollastri/newsletter newsletter.web.ap.it Open Source Newsletter System | 18 | Claude Code, Codex, OpenCode | 2 | 5,350 tok |
| aiqinxuancai/e-language-skill AI Agent Skill for Yi Language (e-language) projects. | 18 | Codex, OpenCode | 1 | 90 tok |
| IvanMurzak/GameDev-MCP-Server ai-game.dev Engine-agnostic MCP server shared by Unity-MCP, Godot-MCP and Unreal-MCP | 18 | Codex, OpenCode | 1 | 1,262 tok |
| shiaho777/revx Rust reverse-engineering toolkit with CLI and local MCP server. | 18 | Codex, OpenCode | 1 | 569 tok |
| pluskal-lab/EnzymeExplorer Highly accurate discovery of terpene synthases powered by machine learning | 18 | Codex, OpenCode | 1 | 1,746 tok |
| vericle/heyclaw 🦞 Headless real-time Python voice assistant powered by ElevenLabs, Gemini, Mem0, MCP tool | 17 | Codex, OpenCode | 1 | 787 tok |
| adamwulf/mcp-template adamwulf.me A barebones MCP server implementation in Swift using loopwork-ai's mcp-swift-sdk. | 17 | Codex, Cursor, OpenCode | 2 | 2,623 tok |
| cruxible-ai/cruxible Governed state engine for AI agents: typed, executable knowledge artifacts with a code-lik | 17 | Codex, OpenCode | 1 | 2,555 tok |
| K-dash/typemux-cc Claude Code plugin: Python type-checker LSP multiplexer. Auto-detects .venv and routes to | 17 | Claude Code, Codex, OpenCode | 6 | 1,908 tok |
| mcp-hangar/mcp-hangar mcp-hangar.io MCP policy enforcement plane — deterministic policy on every Model Context Protocol call: | 17 | Codex, OpenCode | 1 | 4,557 tok |
| liquidos-ai/Odyssey liquidos.ai Odyssey is an open-source, bundle-first agent runtime written in Rust | 17 | Claude Code, Codex, OpenCode | 2 | 1,557 tok |
| saturngod/oxygen Streaming transcode server with S3 | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 9,711 tok |
| bisonbet/BisonNotes-AI BisonNotes AI is an app that will record audio, create transcripts of the audio and summar | 17 | Claude Code, Codex, OpenCode | 4 | 5,406 tok |
| dinglebear-ai/yarr npmjs.com Rust MCP and CLI server for media automation fleets: Sonarr, Radarr, Prowlarr, Tautulli, O | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 9,543 tok |
| wenn-id/comicsol Create Comic with Plan anywhere. Render anywhere. Resume everywhere. | 17 | Codex, OpenCode | 1 | 2,507 tok |
| marclove/typeforge Basic TypeScript Node.js repository scaffold (no frameworks) with fantastic DX out-of-the- | 17 | Claude Code, Codex, OpenCode | 3 | 1,663 tok |
| datarobot-oss/datarobot-genai genai.datarobot.com Repository for datarobot-genai library | 17 | Claude Code, Codex, Cursor, OpenCode | 3 | 260 tok |
| developerz-ai/open-mmorpg The best open-core MMORPG engine — Rust server + client, Bun/SolidJS operator web. Origina | 17 | Claude Code, Codex, OpenCode | 11 | 2,030 tok |
| BlackbirdWorks/gopherstack Localstack alternative written in Go. | 17 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 17 | 7,999 tok |
| ssssota/chapplin chapplin.vercel.app chapplin is a MCP Apps and ChatGPT Apps framework. | 16 | Codex, OpenCode | 1 | 803 tok |
| sonisoft-cnanda/now-sdk-ext-mcp MCP server for ServiceNow — enables AI assistants (Claude, etc.) to execute scripts, query | 16 | Claude Code, Codex, OpenCode | 2 | 3,479 tok |
| najaeda/naja-scope pypi.org MCP server for AI agents to explore SystemVerilog/Verilog netlists: trace connectivity, wa | 16 | Claude Code, Codex, OpenCode | 2 | 806 tok |
| Knuckles-Team/vector-mcp Vector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVec | 16 | Claude Code, Codex, OpenCode | 2 | 3,464 tok |
| tt-a1i/coding-cli-guide tt-a1i.github.io Interactive deep-dive into Gemini CLI internals — 150+ illustrated pages, 50+ step-by-step | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 81 tok |
| php-opcua/opcua-client php-opcua.com A PHP library that talks OPC UA binary protocol over TCP. It handles the full stack — tran | 16 | Claude Code, Codex, GitHub Copilot | 2 | 710 tok |