43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| michalisKout/diavgeia-mcp-server | 2 | GitHub Copilot | 1 | 340 tok |
| orange91pku/unity-ai-project-brain Open-source AI context engine for Unity projects: GitNexus code graph, Unity GUID/fileID s | 2 | Codex, OpenCode | 1 | 568 tok |
| Kodamonkey/PRESTO-mcp-server | 2 | Codex, OpenCode | 1 | 2,042 tok |
| imalvaroglez/mcp-memory-server | 2 | Codex, OpenCode | 1 | 2,329 tok |
| yiwenlu66/zen-mcp-server Minimalist MCP server embodying true zen principles - simplicity over complexity | 2 | Claude Code | 2 | 2,495 tok |
| thu-west/xiyan_mcp_server A Model Context Protocol (MCP) server adapted from Alibaba's XiYanSQL framework, supportin | 2 | Codex, OpenCode | 1 | 712 tok |
| bekservice/Famulor-Skill famulor.io A powerful Famulor skill for seamless integration and automation of the Famulor AI platfor | 2 | Gemini CLI | 1 | 92 tok |
| chaunsin/agent-skills Some practical agent skills for AI coding agents (Claude Code, Cursor, Copilot, Codex, etc | 2 | Claude Code, Codex, OpenCode | 2 | 829 tok |
| clicks-protocol/clicks-protocol clicksprotocol.xyz Agent commerce settlement router for AI agents on Base. Split USDC into liquid working cap | 2 | Claude Code | 3 | 2,883 tok |
| dontsovcmc/mcp-server-yandex-metrika MCP server for interacting with Yandex Metrica | 2 | Claude Code | 1 | 1,392 tok |
| dsbissett/excel-webview2-mcp MCP Server for Office add-ins | 2 | Claude Code | 1 | — |
| hightemp/go_computer_use_mcp_server MCP (Model Context Protocol) server in Go for computer automation. Uses robotgo library fo | 2 | Claude Code, Codex, OpenCode | 24 | 1,604 tok |
| malkreide/swiss-statistics-mcp MCP server for Swiss Federal Statistical Office (BFS) data — 682 datasets across 21 themes | 2 | Claude Code | 3 | 6,020 tok |
| palimkarakshay/abap-mcp MCP server for SAP ABAP: offline static analysis (abaplint), ABAP Cloud / Clean Core readi | 2 | Claude Code, Codex, OpenCode | 2 | 3,394 tok |
| frankxai/awesome-agent-operating-systems Web-first index of agent operating systems, coding agents, MCP, memory, and deploy tools. | 2 | Codex, OpenCode | 1 | 358 tok |
| hevangel/batch-review-mcp Batch code review tool powered by MCP, FastAPI, and React | 2 | Claude Code, Codex, Cursor, OpenCode | 2 | 900 tok |
| lineofflight/frankfurter-mcp frankfurter.dev MCP server for the Frankfurter exchange rates API | 2 | Claude Code | 1 | 1,341 tok |
| m2ai-mcp-servers/mcp-christensen Clayton Christensen persona agent - Strategic advisory through disruption theory and jobs- | 2 | Claude Code | 1 | 770 tok |
| mariorojasmz/apolo-cad CAD paramétrico 3D agente-nativo para maquinaria industrial (transportadores). Python + bu | 2 | Claude Code | 1 | 36,651 tok |
| gabrielrojasnyc/anatomy-of-a-knowledge-base Runnable teaching implementation of the Cerebras knowledge-base architecture: one embeddin | 2 | Claude Code, Codex, OpenCode | 2 | 1,176 tok |
| frankxai/agentic-music-producer-os Agentic Music Producer OS — autonomous music-production workflows for AI-native producers. | 2 | Claude Code, Codex, OpenCode | 2 | 541 tok |
| Mitscherlich/skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,850 tok |
| intersective/practera-mcp-server MCP server for Practera | 2 | Claude Code | 1 | 2,349 tok |
| XTeam-Wing/Marshal-MCP Mcp services by marshal | 2 | GitHub Copilot | 1 | 44 tok |
| coji/journal-mcp | 2 | Claude Code | 1 | 728 tok |
| cyanheads/stackexchange-mcp-server npmjs.com Search Stack Exchange questions, fetch complete Q&A threads as clean markdown, browse tag | 2 | Claude Code, Codex, OpenCode | 2 | 11,782 tok |
| cyanheads/ris-austria-mcp-server npmjs.com Search Austrian consolidated federal & state law, court decisions, and the authentic Bunde | 2 | Claude Code, Codex, OpenCode | 2 | 12,840 tok |
| cyanheads/sports-mcp-server npmjs.com Get live scores, schedules, standings, team and player data for NFL, NBA, MLB, NHL, soccer | 2 | Claude Code, Codex, OpenCode | 2 | 14,130 tok |
| nguyenchiencong/local-docs-mcp A modular semantic search system with MCP integration for searching local documentation. | 2 | Codex, OpenCode | 1 | 733 tok |
| ks0318-p/sound-notification-mcp | 2 | Cursor | 1 | 49 tok |
| seanmichaelmcgee/pytorch-docs-refactored MOS CURRENT refactor of ore attempt at MCP for Claude Code Apr 18 | 2 | Claude Code | 1 | 289 tok |
| cyanheads/paleobiology-mcp-server npmjs.com Search fossil occurrences, resolve taxon fossil ranges, plot diversity through deep time, | 2 | Claude Code, Codex, OpenCode | 2 | 16,400 tok |
| cyanheads/smithsonian-mcp-server npmjs.com Search 14.5M Smithsonian Open Access objects across 20+ museums via MCP, and retrieve CC0 | 2 | Claude Code, Codex, OpenCode | 2 | 14,568 tok |
| cyanheads/treasury-fiscaldata-mcp-server npmjs.com Query US Treasury national debt, interest rates, exchange rates, and 80+ fiscal datasets v | 2 | Claude Code, Codex, OpenCode | 2 | 13,000 tok |
| cyanheads/who-gho-mcp-server npmjs.com Query WHO Global Health Observatory data — 3,059 indicators across 194 member states with | 2 | Claude Code, Codex, OpenCode | 2 | 13,020 tok |
| jarmstrong158/skillmatch-mcp Claude-powered MCP server for job fit analysis. Compares your resume, GitHub portfolio, an | 2 | Claude Code | 1 | 2,119 tok |
| khglynn/spotify-bulk-actions-mcp MCP server for bulk Spotify operations - batch playlist creation with confidence scoring, | 2 | Claude Code | 1 | 577 tok |
| indrasvat/shux shux.pages.dev A modern take on tmux | 2 | Claude Code, Codex, OpenCode | 10 | 5,447 tok |
| roboulos/freshbooks-mcp FreshBooks MCP Server - Automate invoicing and time tracking through Claude | 2 | Claude Code | 1 | 1,295 tok |
| xonack/apex-mcp | 2 | Claude Code | 1 | 1,217 tok |
| bnookala/mcp-cookiejar Have you ever wanted to award your LLM with a cookie? Well now you can! | 2 | Claude Code | 1 | 887 tok |
| georgeracu/google-jules-mcp-server npmjs.com MCP Server for Google Jules - unofficial server | 2 | Codex, OpenCode | 1 | 996 tok |
| khaoss85/agent-crm accordo.dev Accordo — agent-native CRM framework for Claude Code, Codex and Gemini CLI. Author custom | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 4,555 tok |
| aether-platform/circus-mcp The Model Context Protocol (MCP) Server for Circus. https://circus.readthedocs.io/en/lates | 2 | Claude Code | 1 | 959 tok |
| ilteoood/harness | 2 | Claude Code | 1 | 623 tok |
| hoyt-harness/doxygen-mcp An MCP server that exposes the full functionality of Doxygen to Claude for Windows MCP cli | 2 | Claude Code | 12 | 224 tok |
| masx200/mcp-demo-streamable-http-bridge mcp-demo-streamable-http-bridge | 2 | Claude Code | 1 | 1,736 tok |
| shaunie2fly/ndlovu-code-reviewer Manual code reviews are time-consuming and often miss the opportunity to combine static an | 2 | Claude Code | 1 | 1,729 tok |
| No-Smoke/nextcloud-mcp-comprehensive Comprehensive Nextcloud MCP server with Notes, Tables, WebDAV, Calendar, Contacts, Cookboo | 2 | Claude Code | 1 | 5,637 tok |
| charlesfrisbee/garmin-workouts-mcp Natural language to Garmin Connect workout creation tool - MCP server | 2 | Claude Code | 1 | 1,747 tok |