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
linnienaryshkin/mcp Let's experiment with creating our own MCP server, to learn how this tech works in depth 0 Claude Code 1 —
MarcoAR1/botuyo-mcp BotUyo MCP Server - create and manage AI agents via Model Context Protocol 0 Claude Code, Codex 1 —
dkurti/HA-mcp 0 Claude Code, Codex, OpenCode 6 7,286 tok
cjmontgom/todo-mcp-server Todo MCP server 0 Claude Code, Cursor 51 —
xinpengfei520/banana-image-mcp banana-image-mcp 0 Claude Code 1 1,450 tok
obaratch/local-context-mcp An MCP experiment for local context assistance 0 Codex, GitHub Copilot, OpenCode 2 851 tok
jun229/tm-mcp-server 0 Claude Code 1 795 tok
bscarberry/octo_mcp 0 Claude Code 1 684 tok
agentwebprotocol/mcp-server MCP server giving AI assistants native access to the Agent Web Protocol spec, validator, a 0 Claude Code 1 402 tok
KalebJS/groupme-mcp MCP server wrapping the GroupMe API v3 0 Claude Code 1 657 tok
vnikhilbuddhavarapu/wiki-mcp 0 Codex, OpenCode 1 293 tok
vnikhilbuddhavarapu/mattermost-mcp 0 Codex, OpenCode 1 293 tok
jerichosequitin/fathom-ai-mcp A Model Context Protocol server for the Fathom AI meeting intelligence API. 0 Claude Code, Codex, OpenCode 2 876 tok
dundas/liveport liveport.dev Secure localhost tunnels for AI agents 0 Claude Code 24 753 tok
shields/lgtmcp MCP server for AI-powered code review 0 Claude Code, Codex, OpenCode 3 2,220 tok
HardMCP/ndpsc-case-search-mcp 0 Claude Code 1 565 tok
derek2000139/Excel_VBA_MCP Open-source server tool based on Model Context Protocol (MCP). Supports full Excel operati 0 Claude Code, Codex, OpenCode 2 4,680 tok
Enapter/mcp-server MCP server providing tools for AI-agents to interact with Enapter EMS. 0 Codex, OpenCode 1 22 tok
munozu/vigentic-mcp 0 Codex, OpenCode 1 1,091 tok
AlanRoybal/prompte-mcp 0 Claude Code 1 504 tok
angshuman/pdf-mcp 0 Claude Code 1 —
AnkamAndy/hn-pulse Hacker News MCP Server + Claude research agent, built with arcade-mcp 0 Claude Code 2 —
tietiezhi-1216/mcp 0 Claude Code 1 786 tok
xmkevinchen/calibre-mcp MCP server for Calibre book library management 0 Claude Code 2 743 tok
Svanik-yan/disvr disvr.top The Ranking Engine for AI Agent Tools — quality intelligence for the MCP ecosystem 0 Claude Code 1 2,171 tok
bradzw0917/mcpgateway 0 Claude Code 1 141 tok
vnikhilbuddhavarapu/mattermost-gcp-mcp 0 Codex, OpenCode 1 293 tok
vnikhilbuddhavarapu/wiki-gcp-mcp 0 Codex, OpenCode 1 293 tok
Invictus-Labs/code-whisperer-mcp MCP server for The Code Whisperer — Claude Code skills, CLAUDE.md templates, and prompt pa 0 Claude Code 1 513 tok
nielsvbrecht/meteocontrol-mcp This repository provides a mcp server and extension for Gemini CLI to be used for interact 0 Gemini CLI 1 508 tok
attilakiss9000/ember-memory Experiential Memory Bridge for AI Relationships — an MCP server that preserves the texture 0 Claude Code 8 1,866 tok
tyrrestrup/ssis_adf_agent SSIS to ADF conversion agent - MCP server for converting SSIS packages to Azure Data Facto 0 GitHub Copilot 1 1,255 tok
jaskaran-ai/hr-solx-mcp-server 0 Claude Code, Codex, OpenCode 2 2,363 tok
bicatu/mcp-skills-demo A sample MCP and Agent Skills Demo 0 Claude Code, Codex 1 —
zjm1060/gdb-mcp 0 Claude Code 21 733 tok
Jerick97/mcp-arena mcp-arena.onrender.com Hecho para la Hackaton CubePath 2026 0 Claude Code 1 1,107 tok
as-j/fastmail-mcp Remote MCP 0 Codex, OpenCode 1 826 tok
surajpratap/zoom-mcp-server MCP server for zoom 0 Claude Code 1 325 tok
Baskaran03528/Figma_MCP MCP to Claude 0 Claude Code 1 402 tok
JoshuaRamirez/advanced-prompting-engine Universal prompt creation engine — MCP server with 10-axis philosophical manifold 0 Claude Code 4 4,140 tok
pjatx/dagster-mono-mcp A lightweight single-tool MCP server for Dagster 0 Claude Code 1 306 tok
MeteorGeminy/docs-vector-mcp docs-vector-mcp 0 Codex, OpenCode 1 2,608 tok
chrismole310/atlas-social-mcp MCP server for AI-powered social media posting across 14 platforms. Post to Twitter, Insta 0 Claude Code 1 —
lexq-io/lexq-cli lexq.io The Decision Operations Platform for engineering teams. CLI and MCP server for LexQ 0 Claude Code, Codex, OpenCode 2 2,191 tok
pvliesdonk/kroki-mcp 0 Claude Code 1 432 tok
VanshikaDhole/McpServer 0 Claude Code, Codex 1 —
majorelalexis-stack/maxia 0 Claude Code 2 4,028 tok
NobufumiMurata/telegram-copilot-bridge MCP server for Telegram notifications, approvals, and remote prompts with VS Code Copilot 0 GitHub Copilot 1 1,413 tok
gungunj/routrt-mcp routrt-mcp 0 Claude Code 2 1,319 tok
indiano881/databid databid-virid.vercel.app 0 Claude Code, Codex, OpenCode 2 1,846 tok