43,761 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 agents7,699Claude Code6,660Data and AI3,668Backend and APIs3,501Languages3,399Planning3,231Git and workflow3,226Code review2,759Testing2,389Memory and context2,368Writing and docs2,333DevOps and cloud2,313Research2,290Frontend2,267Security2,038Project management1,731
All Claude Code31,986 Codex23,430 OpenCode22,372 GitHub Copilot3,564 Gemini CLI1,915 Cursor1,742 Windsurf150 Kiro84
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| zebrr/astrolabe-mcp A transparent knowledge layer across multiple projects via the Model Context Protocol (MCP | 1 | Claude Code | 2 | 2,517 tok |
| LupinLin1/mail-mcp A powerful MCP server for email operations with IMAP and SMTP support, featuring automatic | 1 | Claude Code | 53 | 47 tok |
| Reality-Defender/eng-mcp-server | 1 | Claude Code | 1 | 2,390 tok |
| LLMTooling/cloudscraper-mcp-server Model Context Protocol server (wrapper) for cloudscraper | 1 | Claude Code | 13 | 2,929 tok |
| ildunari/enhanced-word | 1 | Claude Code | 1 | 665 tok |
| davidl71/project-management-automation MCP server for project management automation tools - documentation health, task alignment, | 1 | Claude Code, Cursor | 3 | 1,248 tok |
| hkopenai/hk-tech-mcp-server This is an MCP server that provides access to technology and broadcast data through a Fast | 1 | Gemini CLI | 1 | 75 tok |
| rumbitopi/mail-cal-drive-mcp | 1 | Claude Code | 1 | 1,215 tok |
| priyanshuchawda/codeaudit Read-only MCP server for AI coding agents: repo inspection, skill routing, code audits, do | 1 | Codex, OpenCode | 1 | 715 tok |
| guangtoutong/unfetch A modern download manager with AI integration | 1 | Claude Code | 1 | 4,329 tok |
| k-wakamatsu-tms/ticktick-mcp-server TickTick Remote MCP Server on Cloudflare Workers | 1 | Claude Code, Codex, OpenCode | 2 | 1,658 tok |
| 0x1f320/why-did-you-render-mcp MCP server that bridges why-did-you-render data from the browser to coding agents | 1 | Claude Code | 1 | 3,457 tok |
| tim101010101/arena Multi-agent AI arena for debates, code reviews, and red-team challenges via Model Context | 1 | Claude Code | 1 | — |
| NoMiddleInc/somanylemons-mcp So Many Lemons MCP Server | 1 | Claude Code, Codex, OpenCode | 2 | 235 tok |
| 1600822305/js-reverse-mcp js-reverse-mcp | 1 | Claude Code | 1 | 796 tok |
| ArtLjn/mcp-session-insight MCP Server for Claude Code Session Insight — structured data extraction with LLM synthesis | 1 | Claude Code | 8 | — |
| ouonet/tshark-mcp MCP server for using TShark to analyze network packets | 1 | GitHub Copilot | 1 | 128 tok |
| corcoran/almanac almanac-fitness.com A fitness tracker you talk to instead of tapping through forms | 1 | Claude Code | 1 | 6,316 tok |
| pulseengine/glsp-mcp AI-native graphical modeling platform with WebAssembly component architecture. Features MC | 1 | Claude Code | 1 | 1,853 tok |
| samkim/spicedb-mcp-server Model Context Protocol (MCP) server for SpiceDB. Connects LLMs to SpiceDB to explore and | 1 | Claude Code | 1 | 242 tok |
| hkopenai/hk-development-mcp-server This is an MCP server that provides access to government development, geography and land i | 1 | Gemini CLI | 1 | 77 tok |
| msekoranja/rt-mcp Request Tracker MCP Server | 1 | Claude Code | 1 | 3,962 tok |
| toonPt0473/agy-mcp-server agy-mcp-server | 1 | Claude Code | 1 | 1,083 tok |
| TechNickAI/machina MCP gateway giving AI agents remote access to Mac - iMessage, WhatsApp, Notes, Reminders, | 1 | Claude Code, Codex, OpenCode | 4 | 193 tok |
| nobitalqs/MODULAR-RAG-MCP-SERVER A production-ready, fully modular Retrieval-Augmented Generation system with Model Context | 1 | Claude Code | 6 | — |
| iamjameslennon/ddb-mcp D&D Beyond MCP server for Claude — access characters, campaigns, sourcebooks, spells, and | 1 | Claude Code | 1 | 6,165 tok |
| EremesNG/thoth-mem Persistent memory MCP server for AI coding agents, built for durable cross-session context | 1 | Claude Code, Codex, OpenCode | 19 | 1,372 tok |
| Chisanan232/slack-mcp-server chisanan232.github.io 🦾 A strong MCP server for Slack. | 1 | Claude Code | 1 | 1,711 tok |
| kdemm3158-hash/kedi-Legal-Assistant An evidence-based legal consultation project integrated with Codex Skill/MCP. It replicate | 1 | Codex, OpenCode | 2 | 515 tok |
| JoaoCarabetta/basedosdados-mcp | 1 | Claude Code, Gemini CLI | 2 | 3,411 tok |
| LA3D/mcp_vocabulary_service Vocabulary Service using Model Context Protocol (MCP) | 1 | Claude Code | 1 | 1,441 tok |
| igoraguiar/bun-pg-mcp PostgreSQL MCP (Model Context Protocol) server with multi-database support. | 1 | Codex, OpenCode | 1 | 725 tok |
| n2400813g/blop-mcp blopai.com MCP-native release confidence control plane for web apps | 1 | Claude Code, Codex, OpenCode | 2 | 4,752 tok |
| iaynidn-sudo/ai-translation-tool Customer needs research summary tool: audio transcription (Whisper) + AI-generated researc | 1 | Claude Code | 1 | — |
| xanzl/vision-mcp-worker A Cloudflare-based visual recognition MCP that provides some visual capabilities to non-mu | 1 | Codex, OpenCode | 1 | 360 tok |
| ellisp97/FlightFinderMCP MCP server enabling Claude to search and compare flights across multiple providers with s | 1 | Codex, OpenCode | 1 | 4,310 tok |
| ruby0606/mcp-earthquake-server Global earthquake monitoring server via Model Context Protocol - IRIS, USGS, and GNSS inte | 1 | GitHub Copilot | 1 | 1,021 tok |
| ardaglobal/mcp-ardaglobal-code arda-global.fastmcp.app Arda Vector Database MCP Server | 1 | Claude Code | 1 | 4,927 tok |
| paragraph-xyz/paragraph-mcp MCP server for Paragraph — expose your publication to AI agents | 1 | Claude Code | 1 | — |
| amonstack/gitea_mcp MCP server that exposes Gitea and GitLab repository operations — issues, labels, milestone | 1 | Codex, OpenCode | 1 | 4,619 tok |
| u-daveblack/gurufocus-mcp Gurufocus MCP server and Python API client | 1 | Claude Code | 1 | 865 tok |
| chals-go/kakaocloud-openapi-mcp KakaoCloud OpenAPI MCP server — provides KakaoCloud API documentation for AI coding assist | 1 | Claude Code | 7 | 185 tok |
| cinderl/congatudo_mcp HTTP MCP server (SSE transport) that exposes your Congatudo-powered Cecotec Conga robot va | 1 | Codex, OpenCode | 3 | 390 tok |
| YawLabs/electron-mcp yaw.sh Electron.js MCP server — IPC scaffolding, security auditing, build tooling, and developmen | 1 | Claude Code | 1 | 1,763 tok |
| sassoftware/sas-score-mcp-serverjs A Model Context Protocol (MCP) server for scoring with SAS Viya | 1 | Claude Code, Codex, GitHub Copilot | 15 | 912 tok |
| hkopenai/hk-community-mcp-server This is an MCP server that provides access to government community and social welfare data | 1 | Gemini CLI | 1 | 79 tok |
| rex/mcp-apple-obsidian MCP server for Obsidian on macOS. Give Claude full read/write access to your vault. | 1 | Codex, OpenCode | 1 | 1,638 tok |
| davidscoreal/cia-diagnose Expert business diagnosis MCP server — 11-dimension analysis with Revenue Leak Score. By C | 1 | Codex, OpenCode | 1 | 432 tok |
| mosse/seshat-mcp | 1 | Claude Code | 1 | 532 tok |
| leanzero-srl/leanzero-mcp-doc-processor leanzero.net This is a Model Context Protocol server that helps you work with PDF, DOCX, and Excel file | 1 | Claude Code | 1 | 12,227 tok |