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
SajidAlee1/expo-mcp 0 Codex, OpenCode 1 2,028 tok
dragomirweb/gitlab-review-mcp 0 Claude Code, Codex, OpenCode 2 3,024 tok
agencian1/mcp-runrunit MCP runrunit para utilização interna dos colaboradores 0 Codex, OpenCode 1 561 tok
w01fgang/mcp-design-comparison 0 Codex, OpenCode 1 1,306 tok
mistakeknot/interdeep Deep research plugin — content extraction and research orchestration via MCP tools 0 Claude Code, Codex, OpenCode 2 1,761 tok
Meowrium/GITCG-MCP1st 【Deprecated】First-generation Genius Invocation TCG MCP implementation — see Meowrium/geniu 0 OpenCode 3
maderwin/pinchtab-mcp maderwin.github.io MCP server for PinchTab — control Chrome (or any Chromium browser) via accessibility tree 0 Codex, OpenCode 1 728 tok
mizuka-wu/mihome-mcp 0 Claude Code, Codex, OpenCode 2 755 tok
gabriel-romero-poza/synapse-mcp 0 Codex, OpenCode 1 555 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
rahulpowar/prismic-content-mcp Prismic content MCP server 0 Codex, OpenCode 1 2,121 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
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
jaggernaut007/nexus-mcp Unified MCP server: hybrid search + code graph + semantic memory. 15 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
oreneHack/okta_mcp 0 Claude Code, Codex, OpenCode 2 574 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
IntegSec/turbopentest-mcp MCP server for TurboPentest — AI-powered penetration testing from your coding assistant 0 Codex, OpenCode 1 594 tok
dkurti/HA-mcp 0 Claude Code, Codex, OpenCode 6 7,286 tok
obaratch/local-context-mcp An MCP experiment for local context assistance 0 Codex, GitHub Copilot, OpenCode 2 851 tok
vnikhilbuddhavarapu/wiki-mcp 0 Codex, OpenCode 1 293 tok
vnikhilbuddhavarapu/mattermost-mcp 0 Codex, OpenCode 1 293 tok
jerichosequitin/fathom-ai-mcp A Model Context Protocol server for the Fathom AI meeting intelligence API. 0 Claude Code, Codex, OpenCode 2 876 tok
shields/lgtmcp MCP server for AI-powered code review 0 Claude Code, Codex, OpenCode 3 2,220 tok
derek2000139/Excel_VBA_MCP Open-source server tool based on Model Context Protocol (MCP). Supports full Excel operati 0 Claude Code, Codex, OpenCode 2 4,680 tok
Enapter/mcp-server MCP server providing tools for AI-agents to interact with Enapter EMS. 0 Codex, OpenCode 1 22 tok
munozu/vigentic-mcp 0 Codex, OpenCode 1 1,091 tok
vnikhilbuddhavarapu/mattermost-gcp-mcp 0 Codex, OpenCode 1 293 tok
vnikhilbuddhavarapu/wiki-gcp-mcp 0 Codex, OpenCode 1 293 tok
jaskaran-ai/hr-solx-mcp-server 0 Claude Code, Codex, OpenCode 2 2,363 tok
as-j/fastmail-mcp Remote MCP 0 Codex, OpenCode 1 826 tok
MeteorGeminy/docs-vector-mcp docs-vector-mcp 0 Codex, OpenCode 1 2,608 tok
lexq-io/lexq-cli lexq.io The Decision Operations Platform for engineering teams. CLI and MCP server for LexQ 0 Claude Code, Codex, OpenCode 2 2,191 tok
indiano881/databid databid-virid.vercel.app 0 Claude Code, Codex, OpenCode 2 1,846 tok
ProcIQ/MemLayer-Plugin Claude code plugin for MemLayer 0 Codex, OpenCode 1 193 tok
martin-santiago/mcpgate Lightweight MCP gateway — aggregate, filter, and observe your MCP tools 0 Codex, OpenCode 1 210 tok
donghch/mcp-epub-reader MCP Epub Reader 0 OpenCode 2
ChillZone2025/prompt-forge prompt-forge-eight-cyan.vercel.app 0 Codex, OpenCode 1 1,028 tok
mirni/a2a greenhelix.net Agent-to-agent payments, escrow and formal verification services 0 Claude Code, Codex, OpenCode 2 2,022 tok
MikeB317/MEMGRAPH-MCP 0 Codex, OpenCode 1 203 tok
heecheon92/specbridge-mcp 0 Codex, OpenCode 1 951 tok
trevoraspencer/claudecode-mcp 0 Claude Code, Codex, Gemini CLI, OpenCode 3 1,717 tok
justinmclean/PodlingsMCP MCP server for Apache Incubator podling lifecycle data: roster queries, reporting schedule 0 Codex, OpenCode 1 467 tok
justinmclean/HealthMCP MCP server for the Apache Incubator health reports: podling commit activity, community sig 0 Codex, OpenCode 1 449 tok
mcp-nexus/mcp-suite A multi-domain, auth-first MCP server giving AI agents access to financial markets, Web3/D 0 Claude Code, Codex, OpenCode 2 4,781 tok
xiandan-erizo/maimemo-mcp MCP server for Maimemo study data 0 Claude Code, Codex, OpenCode 2 1,134 tok
YoshiLoL0526/mcp-toolkit 0 Codex, OpenCode 1 636 tok