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
delt4d/SankhyaMCP 0 Claude Code 2 1,016 tok
mizuka-wu/mihome-mcp 0 Claude Code, Codex, OpenCode 2 755 tok
NimbleBrainInc/mcp-granola mpak.dev [Archived] Removed from mpak — use Granola's native remote MCP endpoint. 0 Claude Code 1 712 tok
hunterphillips/sn-mcp 0 Claude Code 1 502 tok
gabriel-romero-poza/synapse-mcp 0 Codex, OpenCode 1 555 tok
marianosalinas/wrds_mcp 0 Claude Code 1 2,452 tok
gregpriday/memory-mcp 0 Claude Code 5 452 tok
zihin-ai/zihin-mcp MCP Server proxy stdio-to-HTTP para a plataforma Zihin.ai 0 Claude Code 1 1,709 tok
bobbyrgoldsmith/lightscout-mcp testscout.dev MCP server for Core Web Vitals analysis powered by Lighthouse. Part of the TestScout MCP S 0 Claude Code 1 2,431 tok
serranom/my-mcp 0 Claude Code 1 1,827 tok
aillescas76/mcp_python 0 Gemini CLI 1 695 tok
nika-is-nika/prompt_bookmarks A local MCP server for organizing and accessing prompts across AI tools 0 Cursor 1 1,096 tok
mesopelagique/mcp-4d-docs open doc for 4d commands 0 GitHub Copilot 1 307 tok
yangwuan55/edge-tts-mcp 0 Claude Code 1 784 tok
tao-Lionel/mcp-browser-logger 0 Claude Code 1 998 tok
sniper35/verda-cloud-mcp 0 Claude Code 1 37 tok
arclightdynamics/lumencore LumenCore: A developer tool providing a memory and context engine via MCP Protocol for AI 0 Claude Code 1 230 tok
wyattowalsh/mcp-crawl4ai mcp-crawl4ai.vercel.app MCP (Model Context Protocol) server wrapping Crawl4AI library as functions using Python 0 Codex, OpenCode 1 1,254 tok
bratland/pipedrive-mcp-server pipedrive-mcp-five.vercel.app 0 Claude Code 1 2,063 tok
wty0512/memory-mcp-server 0 Claude Code 1 1,011 tok
paulbennet/afk-mode-mcp 0 GitHub Copilot 2 1,594 tok
fred-drake/gmail-mcp 0 Claude Code 1 798 tok
rahulpowar/prismic-content-mcp Prismic content MCP server 0 Codex, OpenCode 1 2,121 tok
Shubby98/email-insights MCP server for email signal analytics 0 Claude Code 3 930 tok
steiner385/mcp-git-issue-priority MCP server for GitHub issue prioritization with concurrency-safe selection and guided work 0 Claude Code 10 187 tok
evilbuck/hn_candidate_mcp An mcp server using hackernews' monthly candidate availability posting. 0 Claude Code 1 717 tok
jaigouk/atlassian-mcp MCP server for Jira and Confluence integration. Hexagonal/DDD architecture with OAuth 2.0, 0 Claude Code 1 1,324 tok
TheNewJavaman/claude-crowed A persistent semantic memory system for Claude Code, built as an MCP server. Replaces Clau 0 Claude Code 1 1,142 tok
MacromNex/esmfold_mcp ESMFold MCP server for protein structure prediction 0 Claude Code 1 805 tok
KanvaBhatia-Alaan/alaan-slack-indexed-mcp-tool 0 Claude Code 1 660 tok
puran-water/aerobic-design-mcp Consolidated into PuranOS — see github.com/puran-water/puranos-public 0 Claude Code 1 —
MacromNex/spired_stab_mcp SPIRED-Stab MCP server for protein stability prediction 0 Claude Code 1 856 tok
ronaldzuniga/ms365-mcp-server 0 Claude Code 1 1,211 tok
ryanyogan/fizzy-mcp MCP Server for Fizzy.do | Have your agents read from Fizzy, or create new tickets and much 0 Codex, OpenCode 1 960 tok
bmbouter/mcp-dropbox-sign MCP server for Dropbox Sign providing document signing and workflow automation capabilitie 0 Claude Code 1 1,797 tok
MasterWushi/librarian-mcp Local MCP server for a git-backed Obsidian knowledge vault 0 Claude Code, Codex, OpenCode 2 923 tok
vadim-filimonov/openrater vadim-filimonov.github.io Turn P&C rate filings into working, auditable rating engines — an AI transcribes, a determ 0 Codex, OpenCode 1 796 tok
vinhgiga/obox-mcp Obox MCP is a comprehensive development toolkit designed to supercharge your Coding Agent. 0 GitHub Copilot 1 1,048 tok
jaggernaut007/nexus-mcp Unified MCP server: hybrid search + code graph + semantic memory. 10 tools, <350MB RAM, fu 0 Claude Code, Codex, Gemini CLI, OpenCode 3 3,644 tok
santiagosanmartinn/mcpui5server Servidor MCP - SAPUI5 0 Claude Code, Codex, OpenCode 2 497 tok
TarminaRX/request-mcp-server 0 Codex, OpenCode 1 723 tok
maxronner/taskwarrior-mcp 0 Claude Code 1 723 tok
zachsai/hevy-mcp 0 Claude Code 1 440 tok
oreneHack/okta_mcp 0 Claude Code, Codex, OpenCode 2 574 tok
salahmyn/mcp-phpinsights A Model Context Protocol (MCP) server that brings PHP Insights code analysis directly into 0 GitHub Copilot 1 822 tok
little-sheepycn/crom-mcp A mcp server to query pages on crom 0 Claude Code 1 885 tok
learn-deck/learndeck A local, open-source learning app with AI guides, Markdown courses, and MCP. 0 Claude Code, Codex, OpenCode 2 670 tok
aarontrmartin/code-indexer Local code indexer - mcp to agents 0 Codex, OpenCode 1 221 tok
svuillaume/forticnapp-mcp MCP server for FortiCNAPP (Lacework) API — 173 tools dynamically generated from the OpenAP 0 Claude Code 2 2,018 tok
IntegSec/turbopentest-mcp MCP server for TurboPentest — AI-powered penetration testing from your coding assistant 0 Codex, OpenCode 1 594 tok