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
daedalus/mcp-rpcbind MCP server exposing rpcbind/RPC portmapper functionality. 0 Codex, OpenCode 1 222 tok
daedalus/mcp-sparql MCP server exposing SPARQL query functionalities for LLMs 0 Codex, OpenCode 1 442 tok
daedalusdevelopmentgroup/ddg-agent-payable-services Pay-per-call x402 gateway for AI agents — MCP server + OpenAI-compatible API for agent too 0 Codex, OpenCode 1 635 tok
dan94k/brazilian-dev-mcp 0 Codex, OpenCode 2 666 tok
darshjoshi/skyglance-mcp Ask Claude what's flying above you — MCP server for live ADS-B flight data. 24 tools, no A 0 Claude Code 1 1,700 tok
dasasian/firebase-mcp-server dasasian.com 0 Claude Code 1 598 tok
dasasian/gdocs-mcp dasasian.com MCP server to treat a Google Doc like a local file — edit, review suggestions, comments, t 0 Claude Code 1 1,669 tok
davidmosiah/astral-mcp astral.delx.ai Precision-audited astrology MCP for AI agents — natal charts, transits, synastry & moon ph 0 Codex, OpenCode 1 433 tok
davidmosiah/delx-agent-utilities ontology.delx.ai Open-source stateless utility tools for AI agents: URL, DNS, TLS, OpenAPI, x402, JWT, CSV/ 0 Codex, OpenCode 1 248 tok
davidmosiah/delx-living-body wellness.delx.ai Meta-MCP that composes 15 Delx Wellness connectors. Ask one question, get a synthesized an 0 Codex, OpenCode 1 635 tok
davidmosiah/mcp-scorecard npmjs.com Quality + agent-readiness scorecard for any MCP server. One command, comprehensive score, 0 Codex, OpenCode 1 279 tok
davidmosiah/wellness-cycle-coach npmjs.com Local-first menstrual cycle coach MCP — orchestrates Apple Health Cycle, Garmin women's he 0 Codex, OpenCode 1 381 tok
danielecr/realssh-mcp MCP server to execute commands in remote server via AI client and agents 0 GitHub Copilot 1 177 tok
dearlordylord/voila-sdk Voila.ca shopping sdk and mcp to make shopping accessible to coding agents 0 Claude Code, Codex, OpenCode 2 2,119 tok
detailobsessed/codereviewbuddy codereviewbuddy helps your AI agent interact with AI code review--smoothly. 0 Claude Code, Codex, OpenCode 2 3,650 tok
devzspy/discourse-mcp-extended Fork of discourse/discourse-mcp extended with Discourse review-queue tools (list/approve/r 0 Codex, OpenCode 1 785 tok
dbwls99706/deadends.dev deadends.dev Structured failure knowledge infrastructure for AI agents — dead ends, workarounds, and er 0 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 5,533 tok
dir-ai/repotector ⬡ The repo guardian AI agents handshake with before they touch your code. Handshake-first 0 Claude Code, Codex, GitHub Copilot, OpenCode 4 648 tok
SwamiRama/m365-mcp-server MCP Server for Microsoft 365 - Email and SharePoint/OneDrive access with OAuth 2.1 + PKCE 0 Claude Code 1 614 tok
Takashi-Matsumura/mcp-janken-server 0 Claude Code 1 229 tok
eaisdevelopment/mcp-multi-edit Multi-Edit MCP Server for Agentic Coding. Enable multiple edits to a file in a single step 0 Claude Code 1 998 tok
elberacasa/umbra umbra-badge.umbrabadge.workers.dev The trust score for AI-generated code. One command verifies what your coding agent shipped 0 Claude Code, Codex, OpenCode 1 933 tok
elwsls/verifiable-claim-seed Verifiable claims · verifiable-claim-seed — AI-first verifiable claims. Statement contract 0 Claude Code 1 1,173 tok
ertugrulakben/dep-oracle npmjs.com Predictive dependency security engine. Trust Scores for npm/Python packages. Detects zombi 0 Claude Code 1 435 tok
esaio/pplog-mcp-server 0 Claude Code 1 947 tok
etymolt/mcp-server etymolt.com Official MCP server for Etymolt — the fact-check layer for LLM-generated names. Drop-in to 0 Claude Code, Codex, OpenCode 2 896 tok
f-tiger/sellSomething 0 Claude Code 1 1,081 tok
fieldcure/fieldcure-mcp-essentials nuget.org MCP server with 17 essential tools — HTTP, web search, Wolfram|Alpha, shell, JavaScript, f 0 Claude Code 1 1,096 tok
fieldcure/fieldcure-mcp-publicdata nuget.org MCP server for Korean public data APIs (data.go.kr) — discover, inspect, and call 80,000+ 0 Claude Code 1 2,058 tok
fieldcure/fieldcure-mcp-rag nuget.org RAG MCP server with SQLite FTS5 trigram + vector hybrid search (RRF). Features IChunkConte 0 Claude Code 1 2,834 tok
flomio/passninja-cli 0 Claude Code 1 763 tok
flukeatzerocool/holonovel Tabletop RPG ruleset MCP server — a holodeck for your rulebooks (D&D 5e, Starfinder). Cano 0 Claude Code, Codex, OpenCode 2 3,592 tok
flukeatzerocool/infobroker Multi-provider research MCP server: unified web search, fact-checking, and a personal know 0 Codex, OpenCode 1 3,571 tok
flumpiey/linkwarden-mcp 0 Claude Code 4 —
fortunesayspump/nibgate nibgate.xyz Nibgate — open protocol for paid content on creator-owned domains. Verified discovery, x40 0 Codex, OpenCode 1 900 tok
foundrole/jobs-mcp-proxy foundrole.com Search jobs, track applications, and set follow-up reminders from your AI assistant — Clau 0 Claude Code 2 5,558 tok
fpetitit/mcpcheck mcpcheck-tau.vercel.app 0 Claude Code, Codex, OpenCode 2 79 tok
franklinnolasco7/quickshell-mcp An MCP server for Quickshell development. 0 Claude Code, Codex, OpenCode 2 4,368 tok
freeappstore-online/mcp FreeAppStore MCP Server — AI agent tools for the platform 0 Claude Code, Codex, OpenCode 2 1,553 tok
g-digital-by-Garrigues/MCP_Market_Distribution Artifact to ease de distribution of MCP servers and N8N community nodes. 0 Claude Code 4 —
g-digital-by-Garrigues/EAD-Factory-MCP EAD Factory MCP — Digital Trust services APIs for your agents. Bridges any MCP-compatible 0 Claude Code 4 —
g-digital-by-Garrigues/GoCertius_MCP GoCertius — Digital Trust services APIs for your agents. Bridges any MCP-compatible client 0 Claude Code 7 —
gabrielmahia/kenya-health-mcp KenyaHealthMCP — MCP server for Kenya health data. NHIF, facility registry, maternal healt 0 Codex, OpenCode 1 121 tok
gaforov/selenium-mcp npmjs.com Selenium MCP server for AI agents — 40+ browser automation tools with page snapshots, sele 0 Codex, OpenCode 1 1,571 tok
gejyn14/kiwoom-plugin A collection of plugins connecting the 236 Kiwoom Securities REST APIs to Claude Code 0 Claude Code 2 2,118 tok
genudo-ai/genudo_mcp genudo.ai A lightweight bridge that connects Claude Code to Genudo's Model Context Protocol (MCP) se 0 Claude Code, Codex, OpenCode 2 341 tok
gistrec/mcp-mysql-client MCP server for one MySQL database — schema inspection, read-only queries and guarded write 0 Claude Code 1 1,907 tok
gkmex75/gkmex-developer-resources gkmex.com Gkmex Cranes API, OpenAPI, MCP, NLWeb, agent skills, and public developer integration reso 0 Codex, OpenCode 1 94 tok
gopalrajsuresh/covalent-bond npmjs.com Peer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP. Th 0 Claude Code 4 —
grblasquiz/hacecuentas 0 Claude Code, Codex, OpenCode 2 3,278 tok