45,030 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 agents8,564Claude Code6,906Git and workflow3,633Data and AI3,578Backend and APIs3,558Languages3,494Planning3,322Code review2,906Testing2,695DevOps and cloud2,496Writing and docs2,489Memory and context2,375Research2,320Frontend2,312Security2,181Project management1,980
All Claude Code32,552 Codex24,920 OpenCode23,840 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,771 Windsurf202 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| BackendGameSetMatch/sourcebook Git-backed markdown wiki that AI coding agents read and update over MCP | 4 | Claude Code | 5 | 471 tok |
| maaker-ai/excalidraw-mcp pypi.org MCP server: generate 25+ types of hand-drawn Excalidraw diagrams with Sugiyama auto-layout | 4 | Claude Code | 1 | 1,544 tok |
| cyanheads/un-comtrade-mcp-server npmjs.com Access UN Comtrade international merchandise and services trade statistics — country looku | 4 | Claude Code, Codex, OpenCode | 2 | 16,256 tok |
| rcarmo/python-umcp-calibre A calibre plugin that adds an MCP server | 4 | Codex, OpenCode | 1 | 918 tok |
| itallstartedwithaidea/google-ads-mcp Claude can now actually touch your Google Ads account — not just talk about it in theory. | 4 | Claude Code | 1 | 1,591 tok |
| WYRE-AI/datto-rmm-mcp conduit.wyre.ai MCP server for Datto RMM — device management, monitoring, alerts, and patch status tools f | 4 | GitHub Copilot | 1 | 858 tok |
| cyanheads/met-museum-mcp-server npmjs.com Search the Metropolitan Museum of Art collection, browse it by department or update date, | 4 | Claude Code, Codex, OpenCode | 2 | 14,958 tok |
| cyanheads/openlibrary-mcp-server npmjs.com Search books and authors, fetch editions, browse subjects, and resolve cover images from O | 4 | Claude Code, Codex, OpenCode | 2 | 16,414 tok |
| furkanisikay/ardupilot-mcp ArduPilot uçuş loglarını (.bin) teşhis eden deterministik MCP sunucusu — yapay zekâ açıkla | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,859 tok |
| aeoess/agent-passport-mcp aeoess.com MCP server for the Agent Passport System. Identity, delegation, enforcement, and signed re | 4 | Claude Code, Codex, OpenCode | 2 | 946 tok |
| cookiechain/cookie-mcp npmjs.com An MCP server that gives AI agents full onchain access to Cookie Chain — trade, launch, LP | 4 | Codex, OpenCode | 1 | 1,724 tok |
| hungryweb/cscart-mcp-server | 4 | Claude Code | 1 | 938 tok |
| wolfiesch/flightfinder Python client for searching flights (Kiwi/Skypicker) and hotels (Xotelo). MCP server for A | 4 | Claude Code | 1 | 455 tok |
| aniruddha-adhikary/gahmen-mcp MCP for Publicly available datasets of the Government of Singapore [Unofficial] | 4 | Claude Code | 1 | 990 tok |
| zachswift615/audio-analysis-mcp | 4 | Claude Code | 3 | 685 tok |
| petrijr/openscad-mcp MCP Server for OpenSCAD | 4 | Codex, OpenCode | 1 | 1,251 tok |
| ufna/vikunja-mcp Workflow-level MCP server for Vikunja: a gated Backlog→Queue→Design→Build→Review pipeline | 4 | Claude Code | 2 | 10,558 tok |
| qso-graph/solar-mcp qso-graph.io MCP server for space weather: solar flux, sunspot number, Kp, solar wind, alerts and band | 4 | Claude Code, Codex, OpenCode | 2 | 591 tok |
| minds-ai-co/minds-mcp getminds.ai Docs for the Minds MCP server: run AI market research with synthetic customer panels from | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 312 tok |
| Grinv/mal-mcp npmjs.com MyAnimeList MCP server — Tenrai-powered reads plus official MAL personal-list management. | 4 | Claude Code, Codex, OpenCode | 10 | 3,625 tok |
| OrgMentem/zotio orgmentem.github.io The trust-and-automation layer for Zotero | 4 | Codex, OpenCode | 1 | 2,869 tok |
| Skyrxin/sast-mcp-server | 4 | Claude Code, Gemini CLI | 2 | 3,768 tok |
| Quality-Max/qmax-mcp docs.qualitymax.io Standalone MCP tools for browser scanning, page inspection, and Playwright reproduction. L | 4 | Codex, OpenCode | 1 | 696 tok |
| cyanheads/faa-aircraft-registry-mcp-server npmjs.com Decode N-numbers to aircraft, engine, status, and owner; search the US civil aircraft regi | 4 | Claude Code, Codex, OpenCode | 2 | 17,084 tok |
| cocaxcode/database-mcp MCP server for database connectivity. Multi-DB (PostgreSQL, MySQL, SQLite), connection man | 4 | Claude Code | 1 | 1,678 tok |
| cyanheads/courtlistener-mcp-server npmjs.com Search and retrieve US court opinions, federal dockets, judge records, citation networks, | 4 | Claude Code, Codex, OpenCode | 2 | 16,378 tok |
| dfch/biz.dfch.AsdSte100Mcp d-fens.ch An MCP Server for the ASD-STE100 Issue 9 standard. | 4 | Codex, OpenCode | 1 | 2,412 tok |
| eins78/meteoswiss-llm-tools meteoswiss-mcp.ars.is Meteoswiss Open Data Tools for LLMs - MCP server and Agent Skill | 4 | Claude Code | 1 | 5,926 tok |
| ed-dryha/reolink-mcp An open-source MCP (Model Context Protocol) server for Reolink cameras: lets Claude — or a | 4 | Claude Code | 1 | 3,111 tok |
| genecell/preprint-fulltext Retrieve full text of bioRxiv, medRxiv & arXiv preprints as structured sections — to groun | 4 | Codex, GitHub Copilot, OpenCode | 2 | 2,962 tok |
| nicofains1/agentic-ads agentic-ads.onrender.com Ad network for AI agents. Monetize your MCP server with 20 lines of code. 70/30 revenue sp | 4 | Claude Code | 1 | 1,337 tok |
| im-sham/aegis-protocol aegis-protocol.xyz Trustless escrow middleware for AI agent-to-agent transactions. Composes ERC-8004 + x402 o | 4 | Claude Code | 1 | 3,561 tok |
| jackfioru92/mcp-aruba-email MCP server for Aruba email - Read, search, and send emails via IMAP/SMTP with AI assistant | 4 | GitHub Copilot | 1 | 151 tok |
| joinwell52-AI/FCoP joinwell52-ai.github.io FCoP — file-based behavior-governance protocol for multi-agent AI. Tasks, reports, review, | 4 | Codex, OpenCode | 1 | 203 tok |
| sandraschi/grandorgue-mcp Control GrandOrgue pipe organ simulator via FastMCP 3.4. MIDI bridge, stop/piston/manual | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,213 tok |
| taygunsavas/patina-unity-mcp A high-performance Unity MCP with extensible APIs for agentic tools. | 4 | GitHub Copilot | 1 | 378 tok |
| rubatoyd/KCI_openAPI KCI (Korea Citation Index) REST Open API + OAI-PMH hybrid MCP server and CLI | 4 | Claude Code | 1 | 9,719 tok |
| qso-graph/qrz-mcp qso-graph.io MCP server for QRZ.com: callsign lookup, DXCC resolution and your QRZ Logbook. | 4 | Claude Code, Codex, OpenCode | 2 | 587 tok |
| sandraschi/email-mcp Multi-service email platform for MCP-compatible clients | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 4,100 tok |
| teunlao/vidin Turn a screen recording into annotated keyframes a coding agent can read. MCP server + CLI | 4 | Claude Code, Codex, OpenCode | 2 | 1,080 tok |
| HarperZ9/telos harperz9.github.io Local MCP server and CLI for AI agents: read web pages and public APIs, triage GitHub Acti | 4 | Codex, OpenCode | 1 | 231 tok |
| JeongSeongMok/tossinvest-openapi-mcp jeongseongmok.github.io An MCP server (stdio) that helps AI agents easily explore and integrate with the Toss Secu | 4 | Claude Code | 1 | 612 tok |
| trsdn/mcp-server-uiautomation nuget.org Windows UI Automation toolkit with CLI, MCP server, and VS Code extension. | 4 | GitHub Copilot | 9 | 975 tok |
| MarieLynneBlock/arcanum-artifex Prompts, skills, and agents that survive contact with real workflows. No vendor loyalty. O | 4 | GitHub Copilot | 1 | 1,277 tok |
| jposluns/cleanlanguage cleanlanguage.ai A free cross-platform editorial standard for AI writing. | 4 | Claude Code | 3 | 442 tok |
| asif-nvc/e2b-sandbox-mcp MCP server connecting Claude Code with E2B cloud sandboxes for working on any GitHub repo | 4 | Claude Code | 1 | 830 tok |
| Montimage/sec-mcp montimage.github.io A Python toolkit providing security checks for domains, URLs, IPs, and more. Integrate eas | 4 | Claude Code, Codex, OpenCode | 2 | 832 tok |
| Cailiang/AgentDock Beginner-friendly desktop hub for AI coding clients, providers, Skills, and MCP | 4 | Codex, OpenCode | 1 | 287 tok |
| ssheleg/make-skill skills.sshlg.me Build, audit and publish portable agent skills and plugins with validation and release che | 4 | Codex, OpenCode | 1 | 27 tok |
| xusnitdinov/uzbek-humanizer npmjs.com uzbek-humanizer - Agent Skill that makes AI sound like it actually speaks Uzbek (Latin) | 4 | Codex, OpenCode | 1 | 939 tok |