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 |
|---|---|---|---|---|
| lesleslie/spline-mcp MCP server for Spline.design 3D scene orchestration | 4 | Claude Code, Codex, OpenCode | 2 | 1,306 tok |
| alaarab/phren Personal AI knowledge system for Claude Code. Machine profiles, skills, MCP server. | 4 | Claude Code, Codex, OpenCode | 1 | 6,528 tok |
| supavec/mcp-server supavec.com | 4 | Claude Code | 1 | 612 tok |
| VoytechG/spec-driven-development Multi-area spec-driven development plugin for Claude Code, Codex, and Gemini CLI. Loads th | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 868 tok |
| natea/fitfinder AI agents help accelerate product/market fit. Discover what to build and who to build it f | 4 | Claude Code | 6 | 3,282 tok |
| Data-Wise/craft data-wise.github.io Full-stack developer toolkit - 86 commands, 8 agents, 21 skills for code, git, docs, testi | 4 | Claude Code, Codex, OpenCode | 2 | 1,745 tok |
| nyxCore-Systems/letter-for-myself letter.nyxcore.cloud Letter for My Future Self — Claude Code session-handoff plugin. Memories short enough to b | 4 | Claude Code | 1 | 1,528 tok |
| chawdamrunal/assay chawdamrunal.github.io MCP & Claude Code security scanner — threat-models plugins, MCP servers, hooks, skills & c | 4 | Claude Code | 1 | 2,739 tok |
| hkopenai/hk-health-mcp-server This is an MCP server that provides access to health related data in Hong Kong through a F | 4 | Gemini CLI | 1 | 109 tok |
| izaitsevfb/claude-pytorch-treehugger MCP harness for PyTorch HUD API https://hud.pytorch.org/ | 4 | Claude Code | 1 | 2,964 tok |
| tobiasstrebitzer/alphanana Transparent PNG generation with Gemini image models (nano banana): exact difference-matte | 4 | Claude Code | 1 | 875 tok |
| spinningrachel/career-engine AI-powered job search campaign plugin for Claude Code. Multi-agent CV and cover letter pip | 4 | Claude Code | 2 | — |
| mebusw/awesome-jackyshen-skills | 4 | Claude Code | 2 | — |
| toastynerd/emacs-mcp-server | 4 | Claude Code | 1 | 630 tok |
| nbiish/gikendaasowin-aabajichiganan-mcp ᑭᑫᓐᑖᓱᐎᓐ ᐋᐸᒋᒋᑲᓇᓐ - Gikendaasowin Aabajichiganan - Cognitive Tools MCP server implemented fr | 4 | Codex, OpenCode | 1 | 801 tok |
| tkellogg/postal-mcp A mailbox system for two or more agents to communicate via MCP | 4 | Codex, OpenCode | 1 | 52 tok |
| rebots-online/hKG-ontologizer-KGB-mcp | 4 | Claude Code | 1 | 516 tok |
| research-developer/iterm-mcp-claude-agency A Model Context Protocol server that executes commands in the current iTerm session - usef | 4 | Claude Code | 3 | 4,512 tok |
| redhat-community-ai-tools/igloo-mcp An unofficial MCP server for Igloo - a workspace intranet platform. | 4 | Codex, OpenCode | 1 | 361 tok |
| rweisssieker-xp/GBL-CREO-WINDCHILL-MCP MCP Server for Creo and Windchill | 4 | Gemini CLI | 14 | — |
| loong95/javadoc-mcp An MCP (Model Context Protocol) server that lets AI assistants browse JavaDoc documentatio | 4 | Codex, OpenCode | 1 | 530 tok |
| Sighthesia/interactive-choice-mcp An MCP Server that enables AI to provide options and launch an interactive interface for u | 4 | Claude Code, Codex, OpenCode | 7 | 3,094 tok |
| Attilio81/MCP-Sql-Server A secure and production-ready MCP (Model Context Protocol) server for SQL Server database | 4 | Claude Code | 1 | 1,596 tok |
| liratanak/openproject-mcp OpenProject MCP | 4 | Claude Code | 1 | 3,771 tok |
| raxITlabs/mcp-oauth-sample raxitai.github.io OAuth 2.1 authorization and MCP server on Vercel for MCP clients with real-time analytics | 4 | Claude Code, Gemini CLI | 2 | 1,409 tok |
| isaaccorley/planetary-computer-mcp A MCP Server for querying and downloading satellite imagery from the Planetary Computer ST | 4 | Codex, OpenCode | 1 | 1,493 tok |
| AlexanderWillner/things-mcp Model Context Protocol (MCP) for Cultured Code Things | 4 | GitHub Copilot | 1 | 424 tok |
| khizar-anjum/risky-business-mcp MCP server for finding out what level of vulnerability a CVE is | 4 | Claude Code | 1 | 25 tok |
| mayank-ketkar-sf/ClaudeJupy ML Jupyter MCP server with thoughtful execution framework for Claude Code integration | 4 | Claude Code | 1 | 1,005 tok |
| cheesejaguar/aerospace-mcp aeroastro.org MCP server for generic aviation and space information | 4 | Claude Code | 1 | 2,551 tok |
| leogue/StockMCP A Model Context Protocol (MCP) server providing real-time stock market data and financial | 4 | Claude Code | 1 | 733 tok |
| Timorleiderman/OpticMCP AI vision | 4 | Codex, OpenCode | 1 | 221 tok |
| rdwj/mcp-test-mcp An MCP server for testing MCP servers | 4 | Claude Code | 3 | 1,168 tok |
| progrmoiz/cal-mcp cal-mcp.com Connect your calendar in 30 seconds, not 3 hours. | 4 | Claude Code | 1 | 692 tok |
| dhofheinz/mcp-comfyui-flux A fully containerized MCP (Model Context Protocol) server for generating images with FLUX | 4 | Claude Code | 5 | 4,419 tok |
| Apofenic/mcp-prompt-router Local LLM prompt routing and context compression | 4 | GitHub Copilot | 3 | 2,732 tok |
| ffpy/gitlab-mcp-code-review Allow an AI assistant to fetch merge requests, inspect diffs, post comments, and suggest i | 4 | Claude Code | 1 | 1,145 tok |
| autonull/mcplogic adapted from: https://github.com/angrysky56/mcp-logic/ | 4 | Codex, OpenCode | 1 | 350 tok |
| Sheepion/openapi-search-mcp MCP tools for OpenAPI(Swagger) search | 4 | Claude Code | 1 | 3,007 tok |
| smchase/piazza-mcp MCP server for browsing Piazza course forums | 4 | Claude Code | 1 | 1,250 tok |
| ljadach/rtm-mcp | 4 | Claude Code | 1 | 1,203 tok |
| sehmim/mcphy | 4 | Claude Code | 1 | 21 tok |
| CaullenOmdahl/Nextjs-React-Tailwind-Assistant MCP server providing Next.js 15+ and Tailwind CSS documentation, Catalyst UI components, a | 4 | Claude Code | 1 | 2,591 tok |
| back1ply/Excel-Power-Pivot-MCP Excel Power Pivot MCP | 4 | Claude Code | 1 | 2,650 tok |
| ervwalter/mcp-kanka MCP Server for Kanka.io | 4 | Claude Code | 1 | 3,011 tok |
| bablulawrence/ms-fabric-mcp-server MCP server for Microsoft Fabric with tooling support for workspaces, Notebooks, Livy, Pipe | 4 | Codex, OpenCode | 1 | 777 tok |
| TomBener/devonthink-mcp DEVONthink MCP Server | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,712 tok |
| paolodalprato/ollama-mcp-server Self-contained MCP server for comprehensive Ollama management with zero external dependenc | 4 | Claude Code | 1 | 1,307 tok |
| jinyiabc/ibkr-mcp MCP server for Interactive Brokers - enables Claude AI to interact with IBKR trading accou | 4 | Claude Code | 1 | 594 tok |
| mideind/icelandic-morphology-mcp MCP server for Icelandic word inflection lookups using BinPackage (islenska) | 4 | Claude Code | 1 | 375 tok |