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 |
|---|---|---|---|---|
| 123pc/Geogebra_mcp A tool that can help cc/ codex to use geogebra | 5 | Claude Code, Codex, OpenCode | 2 | 580 tok |
| Knuckles-Team/media-downloader Download videos and audio from the internet! Out of the box A2A Server and MCP Server | 5 | Claude Code, Codex, OpenCode | 2 | 4,371 tok |
| mrsimpson/agentskills-mcp MCP server that exposes Claude Code Agent Skills to any MCP-compatible agent | 5 | Claude Code | 1 | — |
| ramm/fantastical-cli Fantastical CLI and MCP | 5 | Codex, OpenCode | 1 | 3,895 tok |
| PSPDFKit/nutrient-pdf-mcp-server A powerful Model Context Protocol server for LLM-driven PDF document analysis and explorat | 5 | Claude Code | 1 | 758 tok |
| alizeeblack-code/zhihu-mcp | 5 | Claude Code | 1 | 827 tok |
| crude-code/mcp-app Crude Code — MCP server & spec-driven inline renderer for oil & gas data analytics | 5 | Claude Code | 1 | 11,320 tok |
| ArangoGutierrez/k8s-gpu-mcp-server NVIDIA GPU hardware introspection for Kubernetes clusters via MCP | 5 | GitHub Copilot | 1 | 1,896 tok |
| moleculerjs/mcp-server MCP server mixin for Moleculer | 5 | Claude Code | 2 | 595 tok |
| Tripletex/mcp-dependency-version | 5 | Claude Code | 1 | 762 tok |
| JVinceW/uasset-reference-memory-mcp | 5 | Claude Code, Codex, OpenCode | 2 | 387 tok |
| h-d-engineer/OpenEMT h-d-engineer.github.io The electromagnetic transient simulator built for AI agents | 5 | Claude Code | 1 | 2,031 tok |
| cpoder/wm-mcp-server MCP server for managing webMethods Integration Server via pure HTTP API - 336 tools for fl | 5 | Claude Code | 1 | 3,580 tok |
| dstrupl/vardoger Personalize AI coding assistants (Cursor, Claude Code, Codex, OpenClaw, Copilot CLI, Winds | 5 | Codex, OpenCode | 1 | 1,510 tok |
| vishnu2kmohan/mcp-server-langgraph mcp-server-langgraph.mintlify.app Agent Studio with Federated Single Sign-On and Fine-Grained Access Controls | 5 | Claude Code, GitHub Copilot, Cursor | 48 | 4,381 tok |
| UltimaPhoenix/dev-coach ultimaphoenix.github.io Learn what you don't know yet from the code your AI agent writes. Free and secure by desig | 5 | Claude Code | 1 | 9,739 tok |
| MarshallBear1/touchbridge-mcp Local-first MCP control, testing, and design capture for iOS | 5 | Claude Code | 1 | 443 tok |
| Walvez/grok-subagent Use the official Grok Build CLI as a controlled external subagent for Codex via ACP and MC | 5 | Codex, OpenCode | 1 | 591 tok |
| godlewis/zendao-mcp ZenTao MCP Server | 5 | Claude Code, Codex, OpenCode | 5 | 286 tok |
| sophia-labs/mnemosyne-mcp MCP for Sophia knowledge platform (Mnemosyne). Interfaces with RDF graphs and Garden front | 5 | Claude Code | 1 | — |
| mbk-dev/okama-mcp MCP server providing investment analysis tools backed by the okama Python library | 5 | Claude Code, Codex, OpenCode | 6 | 2,096 tok |
| Asunainlove/OfficeReader-MCP OfficeReader-MCP used by AI agent | 5 | Claude Code | 1 | — |
| nuxeo/nuxeo-mcp-server Nuxeo MCP Server | 5 | Codex, OpenCode | 1 | 5,048 tok |
| funtusov/mcp-server-architect | 5 | Claude Code | 1 | 848 tok |
| peterparker57/WSLSnapit-MCP Advanced screenshot capture and clipboard reading MCP server for Windows applications from | 5 | Claude Code | 1 | 701 tok |
| madebygps/obsidian-diary-mcp MCP server for Obsidian diary management with local AI (Ollama). Generates reflection prom | 5 | GitHub Copilot | 2 | 72 tok |
| SajmustafaKe/frappe-dev-mcp-server A Model Context Protocol (MCP) server that provides AI assistance for Frappe/ERPNext devel | 5 | Claude Code | 1 | 975 tok |
| punitarani/sharebite-mcp MCP Server for https://sharebite.com | 5 | Claude Code | 1 | 770 tok |
| jaskaranhundal/usap-skills usap-security.vercel.app Open-source AI cybersecurity agent skills for SOC, incident response, threat hunting, red | 5 | Claude Code, Gemini CLI | 2 | 2,781 tok |
| u2n4/video-url-analyzer-mcp MCP server to analyze YouTube, TikTok & Instagram videos from URL — transcripts, AI insigh | 5 | Claude Code, Codex, OpenCode | 2 | 3,962 tok |
| Lipdog/fossick-mcp pypi.org Search all of GitHub from your AI agent — find libraries, drill into repos, search code pa | 5 | Claude Code, Codex, OpenCode | 2 | 2,349 tok |
| Bortlesboat/bitcoin-mcp 50 standard Bitcoin tools for MCP agents, with 6 prompts and 8 resources. Uses a local nod | 5 | Codex, GitHub Copilot, OpenCode | 2 | 863 tok |
| cyanheads/crossref-mcp-server npmjs.com Resolve DOIs, search ~188M scholarly works, and fetch references via the Crossref REST API | 5 | Claude Code, Codex, OpenCode | 2 | 21,090 tok |
| anthony-maio/cartograph | 5 | Claude Code, Codex | 3 | 746 tok |
| The-40-Thieves/codecalc the40thieves.dev Universal code & logic calculator for AI models: 51 MCP tools across 31 languages. Rust-sa | 5 | Claude Code, Codex, OpenCode | 2 | 222 tok |
| jack1590/RokuMCP Roku MCP Server -- A Model Context Protocol (MCP) server that enables LLM-driven automatio | 5 | Codex, OpenCode | 1 | 2,836 tok |
| openephemeris/openephemeris-MCP openephemeris.com MCP server and API examples for OpenEphemeris — NASA JPL ephemeris API for AI agents | 5 | Codex, OpenCode | 1 | 469 tok |
| p1va/symbols MCP to read, inspect and navigate codebase symbols by connecting to a Language Server | 5 | Claude Code, Codex, OpenCode | 5 | 2,592 tok |
| gulmezeren2-byte/ihalent Turkish public-tender award intelligence: who won, for how much, at what discount, against | 5 | GitHub Copilot | 1 | 806 tok |
| navapbc/rebar Rebar can block work until an AI plan review passes, require signed completion verificatio | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 11,080 tok |
| qso-graph/adif-mcp qso-graph.io MCP server for ADIF 3.1.7: the specification's fields and enumerations, and validating and | 5 | Claude Code, Codex, OpenCode | 2 | 565 tok |
| theYahia/planfix-mcp npmjs.com MCP server for Planfix — tasks, contacts, project management (Russia). Part of WWmcp — 46 | 5 | Claude Code | 1 | — |
| prashantsinghmangat/TraceBug-ai tracebug.dev | 5 | Claude Code | 4 | 1,066 tok |
| patrickserrano/lacquer patrickserrano.github.io Go CLI + profile templates that standardize how Claude Code works across every project | 5 | Claude Code | 3 | 1,859 tok |
| kud/mcp-trakt kud.io 🎬 Track TV & movies from Claude via Trakt — search, sync, rate, watchlist, check in & scr | 5 | Claude Code | 1 | 23 tok |
| PodcastAPI/skills podcastapi.com Agent Skills for podcast research (podcast mcp) and building secure applications with the | 5 | Codex, OpenCode | 1 | 271 tok |
| zeikar/hyperclaude zeikar.dev Claude Code plugin: Claude builds, Codex critiques — a gated research → plan → review → sh | 5 | Claude Code | 1 | 5,002 tok |
| madeinoz67/madeinoz-knowledge-system madeinoz67.github.io Knowledge pack for PAI | 5 | Claude Code | 2 | 1,494 tok |
| VirajMishra1/loadout npmjs.com Discover, curate, and activate skills across 12 coding agents—then hand off and coordinate | 5 | Claude Code, Codex, OpenCode | 2 | 173 tok |
| yingying-chu/class-action-finder yingying-chu.github.io An AI skill for Claude, Codex, and ChatGPT that scans your email for class action settleme | 5 | Claude Code, Codex, OpenCode | 2 | 3,710 tok |