How real projects configure their agents

31,986 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 agents7,720Claude Code6,662Data and AI3,665Backend and APIs3,500Languages3,396Planning3,238Git and workflow3,234Code review2,760Testing2,394Memory and context2,365Writing and docs2,333DevOps and cloud2,315Research2,289Frontend2,264Security2,036Project management1,736

All Claude Code31,986 Codex23,463 OpenCode22,407 GitHub Copilot3,565 Gemini CLI1,914 Cursor1,740 Windsurf150 Kiro84

Project Stars Configures Files Always loaded
ngpestelos/readwise-mcp-server Token-efficient MCP server for Readwise 0 Claude Code 3 3,130 tok
gabrielalmir/mcp-animaginexl FastMCP server for the Animagine XL 4.0 image generation experience, providing prompt vali 0 Claude Code 1 846 tok
dot-do/mcp 0 Claude Code, Codex, OpenCode 2 2,189 tok
kumr192/oracle-ar-mcp-server 0 Claude Code 1 1,920 tok
kiranprakashkm/classavo-mcp MCP Server for Classavo Education Platform - Connect Claude/ChatGPT to manage courses, ass 0 Claude Code 1 845 tok
tomtomjskim/db-mcp Database MCP Server - Enterprise-ready Model Context Protocol server for multi-database ma 0 Claude Code 1 1,220 tok
makaveli006/mcp-sentry 0 Claude Code 3 5,279 tok
gardner/mcp-postgres 0 Claude Code 1 327 tok
savri-io/mcp MCP server for Savri analytics - use with Claude Desktop 0 Claude Code 1 532 tok
ckaraca/fake-store-mcp MCP server for Fake Store API - E-commerce data integration for Claude AI 0 Claude Code 3
berkayildi/mcp-content-pipeline pypi.org MCP server for YouTube video analysis and X feed digests 0 Claude Code 1 737 tok
Vvkmnn/claude-augur-mcp 📐 An MCP server for plan reasoning summaries in Claude Code 0 Claude Code 1
rickycambrian/geo_mcp_server 0 Claude Code 6 3,109 tok
DTG404/ollama-mcp VRAM-aware MCP server that offloads token-heavy tasks to local Ollama models 0 Claude Code 1 61 tok
VIONWILLIAMS/supercoordination-mcp Super-cooperative MCP service 0 Claude Code 2
shuji-bonji/epsg-mcp npmjs.com An MCP server that provides knowledge about Coordinate Reference Systems (CRS). 0 Claude Code 1 584 tok
BPN-Solutions/vibecheck-mcp AI-powered security audit MCP server with real-time vulnerability data 0 Claude Code 1 262 tok
AngeelVallem/pipefy-mcp 0 Claude Code, Codex 1
martynrees/Catalyst-MCP 0 Claude Code, GitHub Copilot 3 1,656 tok
AndersHsueh/Ax-LocalTools-MCP LocalTools MCP 0 Claude Code, Codex, Gemini CLI, OpenCode 3 4,432 tok
Davont/my-compoent-mcp 0 Claude Code, Codex, OpenCode 6 1,971 tok
amirbiron/MCP-Server 0 Claude Code 1 108 tok
upstackjade/craft_mcp 0 Claude Code 1
cristip73/gpt5mcp GPT-5 Local MCP 0 Claude Code 1 327 tok
mattsq/ems-mcp 0 Claude Code 1 3,008 tok
DolphinWorld/market-expert-mcp Market expert MCP 0 Claude Code 1
marianstefi20/decision-os-mcp MCP server for Decision OS — LLM-native decision tracking and learning system that capture 0 Claude Code, Codex, OpenCode 2 1,144 tok
kdkyum/jlab-mcp Jupyter Lab MCP server for SLURM clusters — run GPU code on compute nodes from Claude Code 0 Claude Code 1 2,865 tok
beverage/levelang-mcp 0 Claude Code 1 480 tok
alex2zimmermann-ux/yt-transcript-mcp MCP server for YouTube transcript extraction, search, and analysis 0 Claude Code 1 363 tok
cfenzo/domain-mcp CLI and MCP server for checking domain name availability 0 Claude Code 1 382 tok
jk7g14/gemini-image-mcp gemini-image-mcp 0 Claude Code 1 440 tok
xkloveme/cloud-mcp 0 Claude Code, Codex, OpenCode 2 2,317 tok
YusukeYajima/karte-datahub-mcp Sample MCP 0 Claude Code 1 156 tok
elliottatran/mcp_db 0 Claude Code 8 6,574 tok
plainday/manual-works-mcp MCP for manual works 0 Claude Code 1 861 tok
jarrettmeyer/bun-demo-mcp 0 Claude Code 2
GPBK-STUY/treasury-mcp-os finance readiness 0 Claude Code 1 539 tok
atlcomgit/mcp-ssh 0 Claude Code, Codex 1
2gavy/excalidraw-mcp1 excalidraw-mcp1.vercel.app 0 Claude Code 1 2,193 tok
aktsmm/FY26_techconnect_saiten Saiten - Multi-agent scoring system for Agents League @ TechConnect. Orchestrator-Workers 0 Claude Code, Codex, GitHub Copilot, OpenCode 13 1,187 tok
anshika1109/calculator-mcp-server Calculator with Java GUI and MCP server with authentication 0 Claude Code, Kiro 1
baoduy/drunk-mcp-proxy deepwiki.com The mcp proxy service 0 Claude Code, Codex, GitHub Copilot, OpenCode 8 16,225 tok
oleksiitrembach/gigaspec The first MCP-native specification framework for AI coding agents. 0 Claude Code, Cursor 2 129 tok
shwetank-dev/mcp-server-calendly MCP server for Calendly scheduling — event types, scheduled events, invitees, availability 0 Claude Code 1 442 tok
namp10010/notes-mcp 0 Claude Code 1 997 tok
yardz/ayrshare-unofficial-mcp Unofficial MCP for Ayrshare 0 Claude Code 1 963 tok
camilojourney/holusight codesight-nine.vercel.app MCP server for semantic code search — hybrid BM25 + vector retrieval with RRF 0 Claude Code, Codex, OpenCode 16 7,782 tok
Data-Nexus-Web3/thegraph-mcp An MCP server that powers AI agents with indexed blockchain data from The Graph. 0 Claude Code 1 484 tok
NimbleBrainInc/mcp-bash Bash MCP Server - Execute bash commands via MCP 0 Claude Code 1 305 tok