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 |
|---|---|---|---|---|
| luc-me/ltspiceMCP Un servidor MCP (Model Context Protocol) que permite a los LLMs diseñar y simular circuito | 1 | Gemini CLI | 1 | 981 tok |
| alDuncanson/gcal-mcp pypi.org Google Calendar MCP server | 1 | Codex, OpenCode | 1 | 265 tok |
| quartz-labs-dev/pabal-resource-mcp npmjs.com MCP server for bidirectional conversion between ASO and web SEO data. | 1 | Codex, OpenCode | 1 | 655 tok |
| Calq-dev/calq-mcp MCP server for time tracking, project management, memory, and team collaboration | 1 | Claude Code | 1 | 1,044 tok |
| DanielRamosAcosta/nixos-mcp NixOS MCP | 1 | Claude Code | 1 | 1,161 tok |
| izqui/whoop-mcp | 1 | Claude Code | 1 | 1,533 tok |
| geowa4/managed-notifications-mcp An MCP server for searching openshift/managed-notifications | 1 | Claude Code | 1 | 676 tok |
| chenqi146/torna-mcp | 1 | Codex, OpenCode | 1 | 1,637 tok |
| linonon/mcpbookmarks | 1 | Claude Code, Gemini CLI | 2 | 16,846 tok |
| rmstxrx/maestro-mcp Multi-host machine fleet + AI agent orchestra MCP server | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,715 tok |
| baxishrey/Coverity-MCP-Server-Typescript | 1 | Claude Code | 1 | 763 tok |
| cosmocoder/mcp-web-docs Self-hosted MCP server to index and search any documentation site—public or private | 1 | Claude Code, Codex, Cursor, OpenCode | 3 | 6,381 tok |
| woodstocksoftware/student-progress-tracker MCP server that tracks student performance and identifies learning gaps | 1 | Claude Code | 1 | 1,661 tok |
| DemandSphereDev/demandsphere-mcp MCP server for the DemandSphere platform | 1 | Claude Code, Codex, OpenCode | 2 | 1,087 tok |
| datagen24/World-Anvil-MCP MCP service using the Boramir world Anvil API | 1 | Claude Code, Codex, OpenCode | 2 | 4,886 tok |
| DaveDev42/tauri-plugin-mcp | 1 | Claude Code | 1 | 3,092 tok |
| MichaelTroelsen/tdz-c64-knowledge MCP server for managing and searching Commodore 64 documentation | 1 | Claude Code | 2 | 1,755 tok |
| serenichron/mcp-cloudron MCP server for Cloudron instance management | 1 | Codex, OpenCode | 1 | 2,644 tok |
| atsuki-sakai/ai_collaboration_mcp_server | 1 | Claude Code | 1 | 823 tok |
| bcharleson/zoom-agent-cli npmjs.com CLI and MCP server for the Zoom API — built for humans and AI agents | 1 | Claude Code, Codex, OpenCode | 2 | 3,418 tok |
| aoki-collabo/simple-hono-mcp-server | 1 | Claude Code | 12 | 1,231 tok |
| Vvkmnn/claude-senator-mcp [ Under Construction ] 🏛️ An MCP server for inter-Claude communication and context sharin | 1 | Claude Code | 1 | 764 tok |
| bobmatnyc/mcp-memory-ts mcp-memory-ts.vercel.app | 1 | Claude Code | 1 | 9,239 tok |
| hoyt-harness/ProcExecMCP Process execution MCP server. Archived — superseded by Claude Code's native Bash tool. | 1 | Claude Code | 1 | — |
| Coykto/debug_mcp | 1 | Claude Code | 1 | 2,820 tok |
| gaiaaiagent/regen-python-mcp Python MCP server for Regen Network | 1 | Claude Code | 4 | 58 tok |
| takeru/Kagami Claude Code Web exclusive Playwright MCP server. Enables browser automation via JWT authen | 1 | Claude Code | 3 | 549 tok |
| u1pns/sqlite-mcp A simple MCP service to create / write / read SQLITE databases... | 1 | Gemini CLI | 1 | 474 tok |
| Estaed/Lol_Data_MCP_Server A MCP server for collecting relative data for Project Taric (An Agent that can play Taric | 1 | Claude Code | 1 | 4,855 tok |
| lmorchard/oblique-strategies-mcp An MCP (Model Context Protocol) server that provides access to Brian Eno and Peter Schmidt | 1 | Claude Code | 1 | 774 tok |
| albertogferrario/business-design-mcp | 1 | Claude Code | 1 | 530 tok |
| peerjakobsen/audiogen-mcp MCP server for AI sound effect generation using Meta's AudioGen | 1 | Claude Code | 1 | 447 tok |
| NonmaskableInt/alphavantage-mcp This is a working alphavantage working mcp server for working with LLMs | 1 | Claude Code | 1 | 1,454 tok |
| Conce-AI/v0.dev Custom MCP implementation for v0.dev — empower your AI models to access real-time context | 1 | Cursor | 1 | 2,386 tok |
| wirnat/gibrun MCP for End to End golang testing with DAP debugger, CURL, and PGSQL | 1 | Codex, OpenCode | 1 | 795 tok |
| isagasi/codeguard-mcp-server | 1 | GitHub Copilot | 1 | 810 tok |
| fabriciofs/mcp-postgres | 1 | Claude Code | 12 | — |
| Vashistht/harcx-mcp | 1 | Claude Code | 1 | 39 tok |
| AshwathDAzur/mcp-localdata-ai-bridge AI-on-LocalData-MCP is a Node.js-based MCP server that connects to a locally hosted Micros | 1 | Cursor | 1 | 7 tok |
| locupleto/mcp-strategy-research-db MCP server for strategy research database - analyze trading strategy backtest results with | 1 | Claude Code | 1 | 1,388 tok |
| FrontMage/screenshot_mcp macOS screenshot/recording MCP server with a Swift capture CLI and Node MCP wrapper | 1 | Codex, OpenCode | 1 | 346 tok |
| OmelchMichael/mcp_agent_mail | 1 | Codex, OpenCode | 1 | 6,596 tok |
| mchardysam/reachy-claude-mcp MCP server integrating Reachy Mini robot with Claude Code | 1 | Claude Code | 1 | 277 tok |
| mlemos/attio-simple-mcp-server A very simple MCP server for Attio CRM - a starting point if you want to integrate Attio w | 1 | Claude Code | 1 | 699 tok |
| SynclyAI/gmail-mcp A Model Context Protocol (MCP) server that provides read-only Gmail access to Claude CLI w | 1 | Claude Code | 1 | 628 tok |
| FactrueSolin/image-edit-rmcp Align with the image editing function of OpenAI Web: Provide an MCP (Model Context Protoco | 1 | Codex, OpenCode | 1 | 29 tok |
| ysh-fe/content_automation AI-powered content automation for Pinterest and Instagram with MCP integration, automated | 1 | Claude Code | 1 | 910 tok |
| scrappymonkey/db-mcp MCP server for governed semantic analytics queries through Cube.js | 1 | Claude Code | 1 | 1,330 tok |
| philiphess1/vibecheck-mcp AI-powered security audit MCP server with real-time vulnerability data | 1 | Claude Code | 1 | 262 tok |
| kunobi-ninja/mcp MCP server for Kunobi — Kubernetes management from AI assistants | 1 | Claude Code, Codex, OpenCode | 2 | 137 tok |