How real projects configure their agents

43,853 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 agents7,784Claude Code6,676Data and AI3,658Backend and APIs3,500Languages3,392Git and workflow3,252Planning3,233Code review2,768Testing2,420Memory and context2,364Writing and docs2,341DevOps and cloud2,330Research2,286Frontend2,271Security2,055Project management1,754

All Claude Code32,000 Codex23,558 OpenCode22,502 GitHub Copilot3,568 Gemini CLI1,915 Cursor1,737 Windsurf150 Kiro87

Project Stars Configures Files Always loaded
Kvxw1105/lean-computer-use-mcp Low-context, state-safe MCP facade over Open Computer Use for inexpensive agent models 0 Codex, OpenCode 1 359 tok
ensp1re/namescope Local-first project naming intelligence for developers 0 Claude Code, Codex, OpenCode 2 471 tok
JoshuaSkootsky/api-secure-nlp-mcp A secure API queryable with natural language and MCP server 0 Codex, OpenCode 1 2,732 tok
1llum1n4t1s/Retroweb-MCP kagayoi.com An MCP server that follows web archives and old directories to uncover old personal websit 0 Codex, OpenCode 1 966 tok
Arrowh3ad/docmesh-mcp Documentation ingestion and multi-source search MCP server 0 Codex, OpenCode 1 63 tok
dapperAuteur/flashlearn-mcp An MCP server for the FlashLearnAI, public API. Add it to Claude Code, Claude Desktop, or 0 Claude Code 1 1,216 tok
zwinglio/context-mcp A Laravel self-hosted AI memory service for sharing durable project context between Claude 0 Claude Code, Codex, OpenCode 9 4,412 tok
ryokumaxell/odoo-mcp-project Conector MCP remoto para ChatGPT + Odoo 19: proyectos, tareas y adjuntos de imagen con fal 0 Codex, OpenCode 1 3,657 tok
tqctqc1/deepseek-vision-mcp Vision bridge for text-only AI models - image analysis powered by Gemini API with MCP, CLI 0 Claude Code, Codex, OpenCode 2 501 tok
gokiwitech/pgwarden-mcp Policy-guarded Postgres MCP server: schema/table/column allowlists, row-count guardrails, 0 Claude Code 1 3,081 tok
PedroHenriqueNS/reapfield Scrape a URL into structured JSON from a natural-language field spec. Derives CSS selector 0 Codex, OpenCode 1 253 tok
Jairodaniel-17/pandape-mcp 0 Claude Code 1 821 tok
Brandon-Born/bga-mcp Unofficial MCP server for Board Game Arena Studio development 0 Claude Code, Codex, OpenCode 2 1,144 tok
kayne-lee/toolsmith An MCP server that rewrites its own tool descriptions, schemas, and composition from usage 0 Claude Code 2 —
masaki-kato-119/markdown-hierarchical-memory A sales-oriented Markdown-based memory MCP server designed for LLM agents (such as Claude 0 Claude Code, Cursor 2 —
J0from/oss-playwright-mcp Maestro browser automation component — Playwright MCP server (quarantine) 0 Claude Code 1 363 tok
tkalejandro/drag-race-mcp An unofficial MCP server providing structured Drag Race knowledge for AI assistants. 0 Cursor 3 —
paulleungtc-git/mcp-searxng MCP server exposing private SearXNG metasearch to AI agents — part of a self-hosted 16-ser 0 Claude Code, Codex, OpenCode 2 263 tok
paulleungtc-git/mcp-sandbox MCP server for sandboxed code execution in Firecracker microVMs — shell, Python, Node with 0 Claude Code, Codex, OpenCode 2 224 tok
rifkyfadillah404/mcp-email-client 0 Claude Code 7 —
chncaesar/db-semantic-mcp MCP server exposing PostgreSQL and SQL Server schema metadata to AI coding agents — list t 0 Codex, OpenCode 1 1,272 tok
dipakkr/agentsync A multi-agent collaboration hub for AI coding teams. Many humans and AI agents work on one 0 Claude Code, Codex, OpenCode 2 762 tok
utrawal9185-cmd/darknet-mcp-server 0 Claude Code 1 336 tok
Oshawott324/datalox-gated-runtime Stateful, resettable, verifiable API worlds for tool-using agents. 0 Codex, OpenCode 1 1,377 tok
nescoffee-create/sdmx-mcp-gateway An mcp gateway for SDMX endpoints, meant to retrieve query paths. 0 Claude Code 1 —
HoAnTrieu/sovereign-exoself-MCP Sovereign Exoself là hệ thống điều phối nhiều AI agent chạy cục bộ, giúp phân chia nhiệm v 0 Codex, OpenCode 1 80 tok
leandroavl/SMI_mcp 0 Codex, OpenCode 1 1,240 tok
79cbd8hmgj-wq/RE-MCP 0 Claude Code, Codex, GitHub Copilot 2 353 tok
Musharrafjamal/mcp-commerce 0 Claude Code, Codex 2 —
kaistenberg/MCP-Linkedin 0 Claude Code, Codex, OpenCode 8 2,766 tok
arieffian/postgres-mcp-server 0 Claude Code 2 1,616 tok
smorand/mcp-instagram 0 Codex, OpenCode 1 968 tok
dagistankaradeniz/gcp-note-taking-mcp MCP server exposing read-only access to Quillink notes, folders, and tags 0 Claude Code, Codex, OpenCode 2 1,817 tok
rakaar/codex-edge-browser-bridge User-controlled Microsoft Edge bridge for local Codex sessions via MCP and native messagin 0 Codex, OpenCode 1 340 tok
usmanzia7864561/mcp-github-server 0 GitHub Copilot, Cursor 2 241 tok
jugaad-py/nse-mcp 0 Codex, OpenCode 1 1,075 tok
takezoh/meta-horizon-developer-mcp Read-only MCP server for collecting Meta Horizon developer dashboard analytics 0 Claude Code, Codex, OpenCode 2 760 tok
thomhenriq/mcp-app-demo 0 Claude Code, Codex, OpenCode 6 889 tok
mcuestamunoz/Jarvis Deterministic engineering engine for designing physical systems with AI-assisted natural l 0 Claude Code 1 820 tok
benewende-dev/fadlie benewende-dev.github.io An MCP agent for DataHub: finds datasets that hold the same data across platforms, and the 0 Claude Code 1 5,873 tok
alexmmatos/enem-mcp-service enem-mcp.vercel.app 0 Codex, OpenCode 1 32 tok
skyvanguard/claude-nexus Peer discovery and instant messaging between Claude Code instances — a reliable, cross-pla 0 Claude Code 1 2,165 tok
mrchris-ai/codex_canvas_mcp Local mcp that allows me to connect to Canvas via the ChatGPT Desktop app 0 Codex, OpenCode 1 623 tok
andre-stacks/bitcoin-staking-mcp project-ph5hy.vercel.app A read-only, source-aware MCP server and concierge for Bitcoin Staking on Stacks. 0 Codex 1 —
ZenixSolutions/unifi-network-mcp MCP server for the official UniFi Network Integration API — community project, not affilia 0 Claude Code 1 561 tok
AlierQ/image-analyzer-mcp 0 Claude Code, Codex, OpenCode 2 1,034 tok
creative-int/kumori-plugins kumori for agents — Agent Plugins 1.0.0 package: image + style in, sticker out over remote 0 Claude Code, Codex, OpenCode 2 688 tok
JumpLink/postbote Postbote — mail, contacts and calendar for GNOME, as a CLI and an MCP server. Runs on GJS 0 Claude Code, Codex, OpenCode 2 3,768 tok
sethhaskellcondie/the-game-pensieve-mcp My custom MCP for The Game Pensieve project 0 Claude Code 1 236 tok
drizjet/just-bash-mcp CWD-relative bash MCP server (DEP0190 fix) 0 Claude Code, Codex, Gemini CLI, OpenCode 3 1,729 tok