How real projects configure their agents

43,832 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 agents7,763Claude Code6,670Data and AI3,659Backend and APIs3,501Languages3,393Git and workflow3,250Planning3,235Code review2,768Testing2,411Memory and context2,367Writing and docs2,341DevOps and cloud2,324Research2,284Frontend2,272Security2,048Project management1,751

All Claude Code31,994 Codex23,528 OpenCode22,474 GitHub Copilot3,571 Gemini CLI1,915 Cursor1,736 Windsurf150 Kiro87

Project Stars Configures Files Always loaded
justinpreston/mcp-router 0 Codex, GitHub Copilot, OpenCode 2 8,457 tok
capyBearista/gemini-researcher-mcp npmjs.com A research proxy that lets Claude, Cursor, and other MCP clients utilize Gemini's generous 0 Codex, OpenCode 1 1,182 tok
savri-io/mcp MCP server for Savri analytics - use with Claude Desktop 0 Claude Code 1 532 tok
limehawk/dokploy-mcp 0 GitHub Copilot 1 2,049 tok
kirchik95/testops-mcp 0 Codex, OpenCode 1 453 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 —
sarveshkapre/cve-risk-mcp 0 Codex, OpenCode 1 49 tok
RommelAgasa/mcp 0 GitHub Copilot 1 272 tok
vsv21gml/mcp-ssd 0 Codex, OpenCode 1 480 tok
mic-havock/model-context-protocol MCP Demo Workspace 0 Codex, OpenCode 1 396 tok
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
Mhrnqaruni/mcp-playwright-browser Production-grade MCP server for browser automation. 71 tools, modular architecture, token- 0 Gemini CLI 1 957 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
jdelon02/ims-mcp 0 Codex, OpenCode 1 2,696 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
saxenanurag/strava-mcp MCP server for Strava API - Connect AI agents to your athletic data. Retrieve athlete stat 0 Codex, OpenCode 1 303 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
RocwoDev/McpServer Lightweight MCP server that exposes web search and page fetching tools 0 Codex, OpenCode 1 1,342 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
frouaix/MCPAppleScript MCP server for controlled AppleScript automation on macOS 0 GitHub Copilot 1 1,108 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