43,832 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 agents7,763Claude Code6,670Data and AI3,659Backend and APIs3,501Languages3,393Git and workflow3,250Planning3,235Code review2,768Testing2,411Memory and context2,367Writing and docs2,341DevOps and cloud2,324Research2,284Frontend2,272Security2,048Project management1,751
All Claude Code31,994 Codex23,528 OpenCode22,474 GitHub Copilot3,571 Gemini CLI1,915 Cursor1,736 Windsurf150 Kiro87
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| pascalhubacher/jira jira mcp for atlassian cloud | 0 | OpenCode | 1 | — |
| agts86/database-remote-mcp | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 3,110 tok |
| jsdf/playwright-slim-mcp | 0 | Claude Code | 1 | 335 tok |
| jeffmm/slack-fast-mcp A Slack MCP server built with FastMCP that gives AI assistants tools to read, search, and | 0 | Claude Code | 1 | 1,166 tok |
| bugzy-ai/github-mcp-server | 0 | Claude Code | 1 | 528 tok |
| j0hanz/memdb-mcp-server | 0 | Codex, OpenCode | 1 | 3,214 tok |
| jppradhan/ssh-mcp MCP server to execute commands in remote server via AI client and agents | 0 | GitHub Copilot | 1 | 177 tok |
| midnight480/saga-event-space-mcp-server | 0 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 4,398 tok |
| lucas-denzer/n8n-mcp | 0 | Claude Code | 9 | 2,577 tok |
| cstillick/civicgraph-mcp A money-in-politics knowledge graph as an MCP server — links FEC donations, Senate LDA lob | 0 | Claude Code | 1 | 787 tok |
| EasonTechno/linux-harness-mcp MCP server providing Linux harness (shell, python, filesystem) over HTTPS for AI agents | 0 | Codex, OpenCode | 1 | 1,791 tok |
| Desz01ate/math-mcp A secure Model Context Protocol (MCP) server for mathematical expression evaluation with s | 0 | Claude Code | 1 | 897 tok |
| cstillick/who_reps-mcp Address -> your elected officials, as an MCP server. A free, open replacement for Google's | 0 | Claude Code | 1 | 747 tok |
| xian-technology/xian-mcp-server Model Context Protocol (MCP) server for AI assistants to interact with the Xian blockchain | 0 | Claude Code, Codex, OpenCode | 2 | 4,667 tok |
| simarust/phrase-mcp-server A Model Context Protocol (MCP) server that provides seamless integration with Phrase Strin | 0 | GitHub Copilot | 1 | 268 tok |
| nitishkthakur/ExcelMCPAdvanced | 0 | Claude Code | 1 | 925 tok |
| cablate/memory-lancedb-mcp MCP server for LanceDB-backed long-term memory with hybrid retrieval (Vector + BM25), cros | 0 | Claude Code | 1 | 1,019 tok |
| RumblyAI/remote-mcp-server-authless-rumbly | 0 | Claude Code | 1 | 460 tok |
| DevMinions/universal-memory-mcp Built on [memory-lancedb-pro](https://github.com/CortexReach/memory-lancedb-pro) — ports i | 0 | Codex, OpenCode | 1 | 733 tok |
| halfords-pro/calculator An MCP server providing calculator tools for accounting and tax calculations | 0 | Claude Code | 1 | 361 tok |
| yone-k/discord-mcp MCP server for the Discord API | 0 | Claude Code | 1 | 1,925 tok |
| theepicsaxguy/qdrant-codebase-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 1,607 tok |
| ajnx/alans-date-time-mcp | 0 | Codex, OpenCode | 1 | 1 tok |
| 8bkmv4dm4z-source/mcp-meeting-rooms MCP server for AI-driven meeting room booking — 6 tools, SQLite, FastMCP | 0 | Codex, OpenCode | 1 | 1,614 tok |
| d0whc3r/egipci-mcp MCP server for querying archaeological information from Catalunya's EGIPCI service | 0 | Kiro | 5 | 3,831 tok |
| AlobarQuest/infraops-mcp-server | 0 | Claude Code | 3 | 6,361 tok |
| hiro-777-sky/fitbit_mcp Access your Fitbit health data (sleep, activity, heart rate, weight) via MCP | 0 | Claude Code | 1 | 158 tok |
| buddhistrhythm/claw-household Household inventory management agent with MCP skills | 0 | Claude Code | 1 | 2,055 tok |
| fritzprix/fred-mcp | 0 | Claude Code, Codex | 1 | — |
| ahmeda14960/mcp-comms vibe coded MCP to let the agents talk to one another across sessions | 0 | Claude Code | 1 | 398 tok |
| gdebenedetti/granola-local-archive Unofficial local MCP server and archive for chatting with Granola notes, summaries, and tr | 0 | Claude Code, Codex, OpenCode | 4 | 228 tok |
| cmwen/mcp-dev-env-setup MCP server for automating local development environment setup (Python, Node, Flutter, Andr | 0 | Codex, OpenCode | 1 | 2,058 tok |
| elmuz/remote-server-mcp Security-first MCP server for managing remote servers via SSH. | 0 | Codex, OpenCode | 1 | 1,477 tok |
| cstillick/statefinance-mcp State-level campaign finance as an MCP server, through one common schema. Donors, expendit | 0 | Claude Code | 1 | 757 tok |
| 2799662352/apiyi-mcp-server MCP Server for API易 / Gemini API integration with multimodal file processing support (vide | 0 | Claude Code | 1 | 1,168 tok |
| aniketbiswas/obsidian-mcp MCP Server to interact with Obsidian notes via LLMs | 0 | GitHub Copilot | 1 | 263 tok |
| soundbytelabs/sbl-debugger-mcp | 0 | Claude Code | 1 | 1,316 tok |
| Mofesto/ctbcsec-api-mcp-server | 0 | Claude Code, Codex | 15 | — |
| henryperkins/my-mcp-github | 0 | Claude Code | 4 | 2,817 tok |
| fellnerd/dimetrics-mcp-server 🚀 Dimetrics MCP Server - 29 Tools für Apps, Categories, Services, Resources & Attributes | 0 | GitHub Copilot | 3 | 20,401 tok |
| olaoluwagureje1/my-mcp-server | 0 | Claude Code | 3 | 5,279 tok |
| donbr/graphiti-fastmcp Standalone Graphiti MCP server using the FastMCP library | 0 | Claude Code | 11 | 6,243 tok |
| jspv/msgraph-email-calendar-mcp | 0 | Codex, OpenCode | 1 | 4,266 tok |
| Codename-11/openclaw-mcp MCP server for Claude Code to talk to OpenClaw AI agents | 0 | Claude Code | 1 | 512 tok |
| Tonetete/gitlab-mcp-server A gitlab mcp server for using with your code agent | 0 | Claude Code | 1 | 585 tok |
| informatics-isi-edu/deriva-mcp | 0 | Claude Code | 1 | 1,925 tok |
| eunseopsong/nrs_llm LLM repository (a.k.a. ros-mcp-server) | 0 | Gemini CLI | 1 | 1,095 tok |
| ianphil/promptbin Web and MCP for sharing prompts | 0 | Claude Code, Codex, OpenCode | 10 | 2,164 tok |
| MMHK/duckdb-mcp duckdb mcp local | 0 | Codex, OpenCode | 1 | 1,542 tok |
| hjsh200219/meta-mcp Instagram Ads MCP Server - Meta Marketing API wrapper for Model Context Protocol | 0 | Claude Code, Codex, OpenCode | 2 | 1,463 tok |