How real projects configure their agents

43,813 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 agents7,750Claude Code6,665Data and AI3,660Backend and APIs3,501Languages3,396Git and workflow3,240Planning3,237Code review2,765Testing2,405Memory and context2,365Writing and docs2,337DevOps and cloud2,319Research2,286Frontend2,267Security2,044Project management1,742

All Claude Code31,993 Codex23,503 OpenCode22,448 GitHub Copilot3,567 Gemini CLI1,915 Cursor1,740 Windsurf150 Kiro86

Project Stars Configures Files Always loaded
marchi-lau/mcp-airtable MCP server for Airtable integration. Enables AI assistants to perform CRUD operations, bat 0 Claude Code 1 1,634 tok
V2-Digital/v2-ai-mcp 0 Claude Code 1 872 tok
knustx/itis-mcp-server MCP Server to interact with ITIS (Integrated Taxonomic Information System by USGS) 0 Codex, OpenCode 1 1,108 tok
desamtralized/adb-mcp 0 Claude Code 1 420 tok
archfill/tsumugi MCP-based memory layer for AI agents — observation, hybrid search, dreaming/synthesis 0 Claude Code, Codex, OpenCode 5 1,936 tok
Eunseo27/kpop-wiki K-POP knowledge base with LLM Wiki + MCP server 0 Codex, OpenCode 1 879 tok
nrrdio/ebay-seller-mcp 0 Claude Code, Codex, OpenCode 2 225 tok
rajmaurya0904/tradingview-mcp TradingView MCP server - control TradingView Desktop via Claude AI 0 Claude Code 1 1,873 tok
jesonchen123/MCP_Cluster Central control platform for agent clusters 0 Claude Code, Codex 1 —
loerei/chronicle-mcp A local Model Context Protocol (MCP) server that indexes, synchronizes, and exposes agent 0 Claude Code, Codex, Cursor, OpenCode 82 944 tok
CarlosYonng/diagnosis-service Anomaly diagnosis service supporting MCP and JSON-RPC 0 Codex, OpenCode 1 557 tok
basttran/ai-workers-mcp Multi-provider AI workers MCP server with 12 NLP tools and 36 slash commands 0 Claude Code 49 —
shaurya-afk/unbiased unbiased-ax79.onrender.com unbiased reads your GitHub once and serves your developer context — stack, projects, exper 0 Claude Code 1 2,149 tok
Zenidp/verisift Typed-MCP incident response agent for SANS SIFT — read-only by architecture, self-correcti 0 Claude Code 1 3,807 tok
neryams/workspace-docs-mcp 0 Codex, OpenCode 1 1,519 tok
MohanTn/mcp-sonar-analysis 0 Claude Code 5 2,145 tok
jclement/azure-devops-mcp Self-hosted, multi-user MCP gateway for Azure DevOps — passkeys, OAuth, per-user encrypted 0 Claude Code 1 1,247 tok
sethdavis512/my-first-mcp A minimal Model Context Protocol (MCP) starter project with Vite, TypeScript, and Hono. In 0 GitHub Copilot 1 811 tok
nana-tajima-pro/mcp-handson A repository for building a movie theater box-office operations agent 0 GitHub Copilot 1 314 tok
cuongph-dev-work/backlog_mcp 0 Claude Code, Codex, OpenCode 2 5,957 tok
geka-evk/first-mcp-server My first MCP server 0 Claude Code 1 641 tok
KnightMode/youtube-mcp Youtube search mcp 0 Claude Code 1 629 tok
sayedpfe/MCP 0 GitHub Copilot 1 294 tok
108yen/memo-mcp This is an MCP server that enables agents to record, search, and read memos. 0 Gemini CLI 1 264 tok
Leon4s4/knowledge-base-mcp 0 Claude Code 1 559 tok
kfrzr/realtor_mcp 0 Claude Code 1 950 tok
ecatchup/basercms-mcp 0 GitHub Copilot 1 552 tok
CaptainCrouton89/mcp-reddit 0 Claude Code 1 642 tok
mlaurel/mcp-workflow-engine 0 Claude Code, Codex, OpenCode 2 4,290 tok
deifos/feedbackbasket-mcp mcp server to get feedback reports from feedbackbasket.com 0 Codex, OpenCode 1 57 tok
standardbeagle/harvest-mcp Model Context Protocol server for Harvest API integration with comprehensive time tracking 0 Claude Code 1 1,334 tok
standardbeagle/brummer Persistent development task runner 0 Claude Code 1 2,082 tok
post-crawl/mcp PostCrawl MCP server 0 Claude Code 1 1,259 tok
ddoriboo/pension-mcp 0 Claude Code 1 706 tok
shaleen-wonder-ent/simple-mcp-server A simple MCP Server 0 GitHub Copilot 1 229 tok
masamunet/npm-dev-mcp 0 Codex, OpenCode 1 918 tok
luquitared/yt-mcp 0 Claude Code 1 642 tok
luquitared/mcp-animator 0 Claude Code 1 642 tok
SufyaanKhateeb/MCP 0 GitHub Copilot 1 —
khughitt/ohai MCP for Quickshell based graphical notifications on Linux. 0 Claude Code, Codex, OpenCode 2 609 tok
ewilderj/inks-mcp MCP server for fountain pen ink knowledge and recommendations 0 GitHub Copilot 1 422 tok
isnbh0/toybox-mcp-server 0 Claude Code 1 625 tok
melihbirim/pg-mcp Postgresql MCP Server 0 GitHub Copilot 1 210 tok
averagejoeslab/pdf-reader-mcp An MCP server for reading PDFs 0 Claude Code 1 1,022 tok
arnabgho/mcp-vybe 0 Claude Code 1 333 tok
mariotaddeucci/template-mcp MCP Template fo Python Developers 0 GitHub Copilot 1 1,021 tok
berrydev-ai/json-mcp-server 0 Claude Code 1 1,232 tok
SuperPyonchiX/excel_mcp_server 0 Claude Code, GitHub Copilot 3 7,428 tok
semidark/mcp-litellm-searxng 0 Codex, OpenCode 1 389 tok
XMV-Solutions-GmbH/sharepoint-mcp MCP server for SharePoint document libraries with audit-preserving checkout/checkin. Lets 0 Claude Code, Codex, GitHub Copilot, OpenCode 9 2,241 tok