How real projects configure their agents

22,224 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717

All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81

Project Stars Configures Files Always loaded
Veedubin/Super-Memory-TS TypeScript implementation of Super-Memory MCP server with local embeddings and vector sear 0 Codex, OpenCode 1 1,852 tok
thebtf/pr-review-mcp 0 Claude Code, Codex, OpenCode 2 2,902 tok
fvanevski/gh_mcp 0 Codex, OpenCode 1 3,350 tok
v0o0v/assetcache-mcp 0 Claude Code, Codex, OpenCode 2 4,848 tok
MolCrafts/molmcp MCP Infrastructure for MolCrafts 0 Claude Code, Codex, OpenCode 2 2,963 tok
nikondrat/cctx-mcp MCP server for AI agents: code structure instead of a wall of text. smart_read, find_symbo 0 Claude Code, Codex, Cursor, OpenCode 13 1,561 tok
major/ldap-mcp 0 Codex, OpenCode 1 982 tok
sinnhirl/cdt-smart-snapshot Token-efficient snapshot MCP server for Chrome DevTools Protocol: smart_snapshot, snapshot 0 Codex, Cursor, OpenCode 2 618 tok
azgem102-max/obsidian-excalidraw-universal-mcp Let Claude and Codex write and draw inside Obsidian, with support for popular Excalidraw s 0 Claude Code, Codex, OpenCode 2 4,228 tok
Oryntai/AgentLink Encrypted peer-to-peer conversation bridge for local Codex and Claude agents — no model AP 0 Codex, OpenCode 1 1,278 tok
ExaDev/document-mcp MCP server exposing documents.js's document conversion, editing, and .odb functionality as 0 Claude Code, Codex, OpenCode 2 4 tok
vnikhilbuddhavarapu/postgresql-mcp PostgreSQL MCP Server 0 Codex, OpenCode 1 441 tok
hope4b/mcp MCP server for working with Onto 0 Codex, OpenCode 1 708 tok
iMayuuR/contexthub 0 Claude Code, Codex, OpenCode 2 3,988 tok
Substrate-memory/codex-substrate-memory Substrate organizational memory for OpenAI Codex: MCP tools plus notify-hook capture. 0 Codex, OpenCode 1 83 tok
zierocode/pir2-academy-sheets-reader-mcp Read-only local Google Sheets MCP Bundle built for PiR2 Academy Advanced Claude Cowork 0 Codex, OpenCode 1 181 tok
cyberbird2048/gbrainmcp-clean Privacy-cleaned GBrain MCP - Personal knowledge brain with hybrid RAG search 0 Codex, OpenCode 1 1,416 tok
justguy/hoplon Deterministic repository boundaries for AI coding agents and the humans who direct them. 0 Codex, OpenCode 1 512 tok
scorellis/secretsminter Value-blind secrets-minter that stands up self-maintaining secret rotation, exposed to AI 0 Codex, OpenCode 1 1,169 tok
ALLezSung/MCP-Control 0 Claude Code, Codex, OpenCode 2 3,331 tok
LCV-Ideas-Software/cross-review cross-review.lcv.dev Full-API MCP server for multi-model cross-review with unanimous convergence gates. 0 Claude Code, Codex, OpenCode 2 2,533 tok
dalcontak/blogger-mcp-server 0 Codex, OpenCode 1 1,643 tok
kevinbolanos00/constructora-mcp 0 Codex, OpenCode 1 1,591 tok
romaine-life/mcp-grafana 0 Codex, OpenCode 1 45 tok
ericchen1972/SlimWeb-Client-MCP 0 Codex, OpenCode 1 55 tok
LionelHao/prompthub-mcp MCP server for PromptHub — publish and fetch prompts from Claude Code / Codex. 0 Codex, OpenCode 1 422 tok
harrydaihaolin/splitwise-mcp MCP server for Splitwise — manage expenses, balances, and settlements in natural language. 0 Codex, OpenCode 1 693 tok
tksfjt1024/gemini-cli-mcp-slim A thin, auditable MCP server wrapping the Gemini CLI. Forward-compatible via extra_args pa 0 Claude Code, Codex, OpenCode 2 1,292 tok
wate/openapi-mcp 0 Codex, GitHub Copilot, OpenCode 6 9,286 tok
openjkai/secscan_mcp 0 Codex, OpenCode 1 318 tok
gghez/mcp-gouv-fr 0 Codex, OpenCode 1 1,550 tok
nx-solutions-ug/chronova-mcp chronova.dev MCP server exposing Chronova developer productivity data to AI agents via the Model Contex 0 Claude Code, Codex, OpenCode 8 3,469 tok
PedroHSGuimaraes/nuvem-shop-mcp-server 0 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,559 tok
zhang77-X/chrpme_MCP 0 Codex, OpenCode 1 206 tok
filhocf/docforge-mcp MCP server for complete Office document manipulation — create, read, edit, convert DOCX/XL 0 Codex, OpenCode 1 839 tok
MingGH/doubao-seedream-mcp seedream.mcp.996.ninja Wraps the Doubao Seedream image generation model as an MCP service, deployed on Cloudflare 0 Codex, OpenCode 1 614 tok
OpenSIN-Code/SIN-Code-Frontend-Design-Skill OpenSIN-Code Skill: SOTA frontend design system + philosophy (Anthropic-compatible) with v 0 Claude Code, Codex, OpenCode 8 1,929 tok
OpenSIN-Code/SIN-Code-MCP-Server-Builder-Skill [ARCHIVED] Moved to OpenSIN-Code/SIN-Code — use sin mcp-server 0 Claude Code, Codex, OpenCode 2 1,800 tok
linofcp007/advogado-pt Advogado pessoal e empresarial em Portugal — plugin Claude Code + servidor MCP (referencia 0 Claude Code, Codex, Gemini CLI, OpenCode 3 4,157 tok
ga815647/fellow-aiden-mcp 0 Claude Code, Codex, OpenCode 2 1,037 tok
pr1m8/polymarket-mcp 0 Codex, OpenCode 1 561 tok
rmednitzer/aiops-mcp rmednitzer.github.io A self-contained, security-first unified AIOps MCP 0 Claude Code, Codex, OpenCode 3 1,805 tok
Milad/google-mcp-sidecar MCP server for Gmail and Google Calendar 0 Codex, OpenCode 1 1,426 tok
eidostein/segnals-mcp Segnals MCP Server — manage your algorithmic trading bots, strategies, and portfolio via A 0 Codex, OpenCode 1 3,475 tok
sheikhBasit/log-mcp-server Log analysis MCP server — tail, search, and summarize logs from files and Docker container 0 Codex, OpenCode 1 234 tok
maejie/abc MCP server for activity based costing and budgeting 0 Codex, OpenCode 1 470 tok
div0ky/oreo-pudding APPLE CAL MCP 0 Claude Code, Codex, OpenCode 2 1,737 tok
wawworld/dynalist-mcp 0 Claude Code, Codex, OpenCode 2 4,148 tok
lukleh/mcp-sonarcloud MCP server for SonarCloud 0 Codex, OpenCode 1 575 tok
ofershap/mcp-server-anydoc Local MCP server: convert PDF/Word/Excel/PPT to Markdown with anydoc. No API key. Claude C 0 Codex, OpenCode 1 310 tok