22,256 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,642Claude Code6,648Data and AI3,676Backend and APIs3,504Languages3,399Planning3,222Git and workflow3,208Code review2,742Testing2,379Memory and context2,369Writing and docs2,323DevOps and cloud2,311Research2,290Frontend2,261Security2,025Productivity1,719
All Claude Code31,996 Codex23,310 OpenCode22,256 GitHub Copilot3,557 Gemini CLI1,917 Cursor1,739 Windsurf141 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| cedricarlos07/meta-ads-mcp | 0 | Claude Code, Codex, OpenCode | 3 | 4,558 tok |
| mmadfox/swag2mcp swag2mcp.io MCP server that gives LLM agents superpowers to explore and call any OpenAPI/Swagger/Postm | 0 | Claude Code, Codex, OpenCode | 6 | 1,431 tok |
| pakkio/mcp-unity | 0 | Claude Code, Codex, OpenCode | 3 | 4,806 tok |
| raphaelmdcoelho/copilot-mcp MCP Playground | 0 | Codex, OpenCode | 1 | 542 tok |
| hua-hua3321/shardnest Open-source self-custodial wallet infrastructure: key generation, Shamir SSS 2-of-3 shardi | 0 | Codex, OpenCode | 1 | 1,819 tok |
| oscarantxo-web/intervals-mcp-server | 0 | Codex, OpenCode | 1 | 292 tok |
| guipmilek/bundled-notes-mcp MCP open-source e não oficial para bundles, notas, tarefas, Kanban e arquivos do Bundled N | 0 | Codex, OpenCode | 1 | 770 tok |
| teleportxr/teleport-mcp An MCP for the Teleport Metaverse Browser Client | 0 | Codex, OpenCode | 1 | 523 tok |
| Radics/context-forge Portable, evidence-backed shared context and structured handoffs for AI agents | 0 | Codex, OpenCode | 1 | 311 tok |
| hardened-steel/ForgeMCP ForgeMCP is an MCP server that provides AI assistants with deep, structured integration fo | 0 | Codex, OpenCode | 1 | 466 tok |
| ImAvgErix/ExoControl Realtime Windows eyes and hands for any AI agent (MCP + CLI + Python). Compact. Leased. Ho | 0 | Codex, OpenCode | 1 | 1,124 tok |
| Malkovsky/compiler-explorer-mcp MCP for assembly exploration based on godbolt.org or equivalent server. | 0 | Codex, OpenCode | 1 | 529 tok |
| andbmarques/wiki-ultra-mcp | 0 | Codex, OpenCode | 1 | 4,931 tok |
| Orlando-Villanueva/ynab-budget-mcp npmjs.com A local MCP server for AI-assisted YNAB budget understanding with guarded assignment previ | 0 | Codex, OpenCode | 1 | 560 tok |
| letsagents/aseprite-mcp An MCP server that exposes Aseprite to AI clients — 76 tools for pixel art, animation & sp | 0 | Claude Code, Codex, OpenCode | 2 | 3,226 tok |
| arr-mcps/komga-mcp Model Context Protocol for gotson/komga | 0 | Codex, OpenCode | 1 | 1,221 tok |
| plugin-federation/units-static High-quality static unit conversion MCP server (good-MCP dogfood for Plugin Federation) | 0 | Codex, OpenCode | 1 | 298 tok |
| vinihcrosa/gitlab-mcp npmjs.com Servidor MCP para GitLab CE self-hosted — navegue merge requests e faça review inline sem | 0 | Codex, OpenCode | 1 | 5,411 tok |
| edk4971/Ratatoskr-mcp A high-performance MCP server capable of retrieving Wikipedia articles from local multi-st | 0 | Codex, OpenCode | 1 | 1,113 tok |
| newbdez33/freee-mcp Safety-first local freee attendance MCP server and CLI for Codex and Claude Code | 0 | Codex, OpenCode | 1 | 64 tok |
| zarcherlot/q3ds-solidworks-mcp Repository-native SolidWorks semantic MCP, drawing planning, execution service, and Codex | 0 | Codex, OpenCode | 6 | 483 tok |
| plugin-federation/nexus-mcp TypeScript MCP server for Plugin Federation Nexus (GitHub SSO / Actions OIDC, no static Ne | 0 | Codex, OpenCode | 1 | 314 tok |
| Inarus/provgraf W3C PROV knowledge graph on plain Postgres with automatic staleness propagation — a verifi | 0 | Codex, OpenCode | 1 | 887 tok |
| coco-ari/runbook-bridge A local SSH session bridge that lets AI agents follow runbooks without receiving server cr | 0 | Claude Code, Codex, OpenCode | 3 | 1,454 tok |
| Mateo-404/gavriel-mcp MCP Server (Model Context Protocol) for Gavriel | 0 | Codex, OpenCode | 1 | 3,011 tok |
| arr-mcps/dashbrr-mcp Model Context Protocol for autobrr/dashbrr | 0 | Codex, OpenCode | 1 | 1,318 tok |
| CoolTea001/cool-test-mcp Cool Test MCP — automated testing MCP server: convert test cases into a fixed JSON templat | 0 | Codex, OpenCode | 1 | 352 tok |
| IH8E/express-cli CLI client for the corporate messenger eXpress. Supports E2E encryption, sending messages, | 0 | Codex, OpenCode | 1 | 5,648 tok |
| dsaewkfiush03-debug/game-dev-resource-mcp License-aware game development resource discovery for AI coding agents via MCP. | 0 | Codex, OpenCode | 1 | 1,404 tok |
| shahrulestar/hijri-calendar hijri.shahrulestar.com A remote MCP server for the Malaysian Islamic (Hijri) calendar. | 0 | Codex, OpenCode | 1 | 74 tok |
| bitcoinaustria/pretix-agent-mcp MCP server that lets AI agents run a self-hosted pretix instance — without the API credent | 0 | Claude Code, Codex, OpenCode | 3 | 1,788 tok |
| tomiabe/polish tomiabe.github.io Self-hosted UI review for code, copy, and rendered screens. Get weighted 0-100 findings fo | 0 | Codex, OpenCode | 1 | 335 tok |
| EthanDM/tmdb-mcp Local, read-only TMDB MCP server for Codex with movie, TV, and people discovery, advanced | 0 | Codex, OpenCode | 1 | 182 tok |
| EthanDM/strava-mcp Local read-only Strava MCP server for Codex with OAuth token refresh, bounded activity ana | 0 | Codex, OpenCode | 1 | 115 tok |
| EthanDM/youtube-mcp Local YouTube MCP server for Codex with API-key research tools, local PKCE auth, owned-pla | 0 | Codex, OpenCode | 1 | 560 tok |
| bartest5/alpacahq_alpaca-mcp-server | 0 | Codex, OpenCode | 1 | 1,528 tok |
| abelvalle/zar-jobs-ai-connector MCP-powered, read-only job connector for Codex and AI assistants | 0 | Codex, OpenCode | 1 | 172 tok |
| arr-mcps/radarr-mcp Model Context Protocol for Radarr/Radarr | 0 | Codex, OpenCode | 1 | 1,427 tok |
| trankhanh040147/chatgpt-mcp Cursor ↔ ChatGPT MCP handoff | 0 | Claude Code, Codex, Cursor, OpenCode | 10 | 1,566 tok |
| arr-mcps/sonarr-mcp Model Context Protocol for Sonarr/Sonarr | 0 | Codex, OpenCode | 1 | 1,418 tok |
| SomeNewKid/CaesarCipher A Foundry prompt agent which uses an MCP tool to encode a message using a Caesar shift. | 0 | Codex, OpenCode | 1 | 233 tok |
| arr-mcps/prowlarr-mcp Model Context Protocol for Prowlarr/Prowlarr | 0 | Codex, OpenCode | 1 | 1,257 tok |
| arr-mcps/seerr-mcp Model Context Protocol for seerr-team/seerr | 0 | Codex, OpenCode | 1 | 1,714 tok |
| soewal19/eracore-revit-mcp MCP Server for Autodesk Revit — BIM automation via LLM assistants | 0 | Claude Code, Codex, OpenCode | 2 | 4,708 tok |
| Ardaka/cursor-mcp-qa-agent A local MCP server, Cursor Agent rules, and safe reusable QA workflows in TypeScript. | 0 | Codex, OpenCode | 1 | 140 tok |
| arr-mcps/lidarr-mcp Model Context Protocol for Lidarr/Lidarr | 0 | Codex, OpenCode | 1 | 1,633 tok |
| briandconnelly/moonbridge Connect your coding agent with Kimi for fresh perspectives, rigorous reviews, and delegate | 0 | Claude Code, Codex, OpenCode | 6 | 3,036 tok |
| arr-mcps/autobrr-mcp Model Context Protocol for autobrr/autobrr | 0 | Codex, OpenCode | 1 | 1,539 tok |
| brightredchilli/terraform-docs Terraform docs search and mcp tool | 0 | Codex, OpenCode | 1 | 772 tok |
| Jeric-X/wd_tagger_mcp | 0 | Codex, OpenCode | 1 | 15 tok |