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 |
|---|---|---|---|---|
| MaterializeInc/agent-skills Materialize agent skills | 3 | Claude Code, Codex, OpenCode | 4 | 2,500 tok |
| kltng/cataloger-mcp | 3 | Claude Code | 1 | 1,098 tok |
| akiojin/playfab-mcp-server PlayFab MCP server with CI/CD and release-please | 3 | Claude Code, Codex, OpenCode | 17 | 2,878 tok |
| hexiaochun/seedance2-api Out-of-the-box Seedance 2.0 API skill — just one API key to generate AI videos. | 3 | Cursor | 1 | — |
| tutumomo/MCP-civil-tools MCP Civil Tools server | 3 | Gemini CLI | 1 | 404 tok |
| balasriharsha/shieldbot Shieldbot is an AI-powered security scanner that runs directly inside Claude Code. It comb | 3 | Claude Code | 1 | — |
| noir-lang/mcp-server | 3 | Claude Code | 1 | 597 tok |
| vuhai2002/ai-slides-mcp | 3 | Claude Code, Codex, OpenCode | 2 | 2,407 tok |
| turlockmike/mcp-rand Random Number and more generator (Includes UUID, numbers, password, dice, cards and more) | 3 | Cursor | 1 | 75 tok |
| ryanyogan/fizzy-do-mcp fizzy.yogan.dev MCP server for Fizzy, the 37signals kanban tool: 67 tools covering boards, cards, comments | 3 | Codex, OpenCode | 1 | 960 tok |
| stier-tfedorko/licensespring-mcp | 3 | Claude Code | 1 | 675 tok |
| MWG-Logan/Central-Memory-MCP mwg-logan.github.io A custom fork of @modelcontextprotocol/server-memory using Azure Functions MCP triggers an | 3 | GitHub Copilot | 1 | 2,139 tok |
| tomtranjr/canvas-control A CLI and MCP server for Canvas LMS — list courses, download files from multiple content s | 3 | Claude Code | 1 | 2,927 tok |
| shenyimings/DocNav-MCP DocNav is a Model Context Protocol (MCP) server designed to help LLMs read, process, and n | 3 | Claude Code | 1 | 977 tok |
| ravnltd/muninn Persistent memory for AI coding agents. MCP server that gives Claude, Cursor, and Windsurf | 3 | Claude Code | 1 | 822 tok |
| Bachmann1234/obsidianMCP | 3 | Claude Code | 1 | 1,572 tok |
| desk3/cryptocurrency-mcp-server desk3.io Welcome to Desk3 Cryptocurrency MCP Server! Free! This powerful tool is designed for block | 3 | Claude Code | 1 | 2,962 tok |
| Kolsetu-Opensource/elba-mcp-server elba.kolsetu.com MCP server for Elba - manage voice AI agents from any AI coding assistant | 3 | Claude Code | 1 | 479 tok |
| rgthelen/linkedin-mcp-server LinkedIn MCP Server for Claude Desktop - Post management, media sharing, comment system, f | 3 | Claude Code | 1 | 994 tok |
| HelloWorld-Open/word-mcp-server MCP server for Microsoft Word document manipulation via COM automation (Node.js/TypeScript | 3 | Codex, OpenCode | 1 | 597 tok |
| BenedatLLC/k8stools Tools and an MCP server for building Kubernetes agents | 3 | Claude Code | 1 | 9,697 tok |
| ryan-shaw/poeditor-mcp | 3 | Claude Code | 1 | 854 tok |
| ctrlShiftBryan/chrome-devtools-mcp MCP server for Chrome DevTools | 3 | Claude Code | 1 | 1,580 tok |
| Hint-Services/mcp-todoist MCP server for Todoist | 3 | Claude Code | 3 | 1,431 tok |
| jvm/usql-mcp usql MCP Server | 3 | Claude Code, Codex, OpenCode | 2 | 5,703 tok |
| fegizii/SemanticScholarMCP Semantic Scholar MCP | 3 | Claude Code | 1 | 808 tok |
| celeryhq/simplified-mcp-server simplfied.com Simplified MCP server | 3 | Claude Code | 1 | 1,499 tok |
| jiantmo/mcp-commerce MCP Server for Dynamics 365 Commerce Retail Server Customer Consumer API | 3 | Claude Code | 1 | 1,263 tok |
| cfdude/mcp-perplexity-pro pypi.org Perplexity MCP server and CLI in Python: Agent, Search, Embeddings and Decisions APIs, mod | 3 | Claude Code | 1 | 19,622 tok |
| ssdeanx/ssd-ai MCP server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 24 | 19,124 tok |
| jangabrielsson/HC3_mcp VSCode extension providing map server for Fibaro HC3 system | 3 | GitHub Copilot | 1 | 210 tok |
| ThreeFish-AI/negentropy-perceives The Perception Engine for AI Agents. Distilling web pages and PDFs into clean Markdown nec | 3 | Claude Code, Codex, OpenCode | 2 | 2,299 tok |
| NoEdgeAI/doc2x-mcp doc2x-mcp | 3 | Codex, OpenCode | 1 | 934 tok |
| jarmentor/codebase-contextifier-9000 MCP server for semantic code search with AST-aware chunking, incremental indexing, and rea | 3 | Claude Code | 1 | 3,799 tok |
| benpm/claude_lldb_mcp | 3 | Claude Code | 1 | 1,054 tok |
| kmaneesh/biopython-mcp MCP interface to BioPython | 3 | Claude Code | 1 | 1,210 tok |
| aplaceforallmystuff/mcp-wp-abilities MCP server for WordPress 6.9+ Abilities API - dynamically exposes WordPress abilities as A | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 323 tok |
| danielsimonjr/fzf-mcp MCP server for fzf fuzzy finder - enables fuzzy file search, list filtering, and content s | 3 | Codex, OpenCode | 1 | 953 tok |
| cocodedk/Planner-Task-Creator-CLI-MCP MCP to Connect to Your MS Teams Planner | 3 | Claude Code | 1 | 882 tok |
| Mnehmos/mnehmos.synch.mcp Agent synchronization MCP server for memory and context sharing | 3 | Claude Code | 1 | 747 tok |
| shcallaway/gmail-mcp-server | 3 | Claude Code | 5 | 1,438 tok |
| danielsimonjr/memory-mcp Enhanced Model Context Protocol memory server with timestamps, tags, importance, search, a | 3 | Claude Code | 11 | 5,380 tok |
| twardoch/brosh pypi.org MCP server and CLI tool for browser screenshots (using Playwright and Python) | 3 | Claude Code | 1 | 2,368 tok |
| yarnovo/comfyui-mcp | 3 | Claude Code | 2 | 705 tok |
| Econyx-ai/0g-mcp-server | 3 | Claude Code | 1 | 929 tok |
| albertrim/aladin-mcp An MCP (Model Context Protocol) server for the Aladin OpenAPI, built with Node.js and Type | 3 | Claude Code | 1 | 885 tok |
| an0malous/mcp-custos npmjs.com Secure-coding guardian for AI agents — official CWE/NIST/ASVS guidance in-context, enforce | 3 | Claude Code | 1 | 748 tok |
| howmanysmall/npm-registry-mcp NPM Registry MCP | 3 | Claude Code, Codex, OpenCode | 4 | 479 tok |
| imjoshnewton/clickup-mcp-server | 3 | Claude Code | 1 | 244 tok |
| Brahim-Benzarti/Shopify_store-MCP MCP server for Shopify store operations via Admin and Storefront APIs | 3 | Claude Code, Cursor | 2 | 1,327 tok |