How real projects configure their agents

43,730 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 agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722

All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82

Project Stars Configures Files Always loaded
balejosg/mcp-server-ra2-jdbc 2 Claude Code 1 3,025 tok
obot-platform/obot-mcp-server 2 Claude Code 1 934 tok
pma1999/research_hub_mcp A personal MCP server for Sci Hub 2 Claude Code 1 2,371 tok
PawelWaj/MCP MCP Servers 2 Cursor 1 223 tok
dipsylala/veracode-mcp An MCP Server for Veracode 2 Claude Code 1 1,956 tok
Coderrob/backstage-mcp-server A production-ready, enterprise-grade Model Context Protocol (MCP) server that exposes the 2 Codex, OpenCode 1 348 tok
KaelSensei/MagicAIBuilder magic-ai-builder.vercel.app Intelligent Commander (EDH) deck builder for Magic: The Gathering: Scryfall search, drag-a 2 Claude Code, Codex, OpenCode 4 3,516 tok
fips-agents/mcp-server-template Template for building MCP servers 2 Claude Code, Codex, OpenCode 2 7,281 tok
Kuadrant/kuadrant-mcp-server MCP server with tools for interacting with Kuadrant resources 2 Claude Code 1 3,242 tok
betzaydarobie-source/setup-3xui-skill Reusable setup-3xui AI-agent workflow for installing 3X-UI panels and managing VLESS Reali 2 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 5 3,689 tok
AhmedAbouelkher/micro_market A small microservices demo built around checkout, inventory, and invoice workflows. The re 2 Cursor 1
GSA-TTS/mcp-server-nih-reporter Pilot MCP server for the NIH RePORTER API 2 Claude Code, Codex 1
zhdenny/bar-assistant-mcp-server 2 Codex, OpenCode 1 2,011 tok
UnplugAI/unplug-mcp MCP server for Unplug — LLM defense layer 2 Claude Code 1 107 tok
charathram/plaud-mcp An MCP server for Plaud.ai 2 Claude Code 1 746 tok
overtimepog/OpenrouterMCP a simple openrouter mcp server 2 Claude Code 22
contributte/mcp ✨ MCP server for Nette applications 2 Claude Code, Codex, OpenCode 2 150 tok
tilderun/tilde-python-sdk The official Cerebral Storage Python SDK (and MCP server) 2 Claude Code 1 2,113 tok
andyonholiday/brewfather-mcp MCP server for Brewfather brewing API 2 Claude Code 1 1,785 tok
julianobarbosa/azure-finops-mcp-server 2 Claude Code 24
yukukotani/mcp-gcloud-adc-proxy An auth proxy for accessing remote MCP servers using Google Cloud Application Default Cred 2 Claude Code 3 336 tok
jamesbachini/x402-mcp-stellar MCP server to enable x402 payments on the Stellar network 2 Codex, OpenCode 1 538 tok
noot-app/openfoodfacts-mcp-server MCP Server for OpenFoodFacts using the Parquet product database 2 GitHub Copilot 1 435 tok
akhilthomas236/jenkins_mcp_server 2 GitHub Copilot 1 117 tok
pingidentity/aic-mcp-server 2 Claude Code, Codex, Gemini CLI, OpenCode 8 572 tok
testrelic-ai/testrelic-mcp-server testrelic.ai Official MCP server support for TestRelic AI - Build, Plan, Debug, Analyze with AI native 2 Claude Code, Cursor 2 2,659 tok
darekrossman/contentstack-mcp An MCP server for interacting with Contentstack's Content Management API 2 Claude Code 1 737 tok
HosakaKeigo/mcp-server-spreadsheet MCP server for Google Sheet (spreadsheet) with Application Default Credentials Auth. 2 GitHub Copilot 1 40 tok
yashodhank/whmcs-mcp-server 2 Claude Code, Codex, Cursor, OpenCode 3 5,025 tok
markhm/billy-mcp-server MCP server for the Billy.dk accounting system 2 Claude Code 1 785 tok
Citizen4our/arch-mcp-server MCP server that gives code agents architectural context - ERD diagrams, code policies, API 2 Codex, OpenCode 1 2,305 tok
dzxpert/PatchWork Injectable DLL with an in-process Lua engine & MCP server for runtime memory editing, hook 2 Claude Code 1 1,612 tok
carlosprados/og-cli documentation.opengate.es Unofficial CLI, TUI, and MCP server for the OpenGate IoT platform REST API 2 Claude Code 4 4,329 tok
MartinKuhne/devstack project/feature/task management mcp server with a user interface 2 Claude Code, Codex, OpenCode 19 483 tok
alexmmatos/arthur-mcp arthurmcp.io No code system to provide MCP Server using Any Data Source 2 Claude Code, Codex, OpenCode 4 3,557 tok
bborbe/semantic-search MCP server for semantic search over markdown files using sentence-transformers and FAISS 2 Claude Code 1 1,667 tok
trotsky1997/PaddleOCR-MCP Fast PaddleOCR MCP server - Extract text from images using PaddleOCR with optimized perfor 2 Codex, OpenCode 1 2,731 tok
sharpninja/McpServerManager sharpninja.github.io Avalonia desktop app for tracking and inspecting request/session logs with AI assistant 2 Codex, GitHub Copilot, OpenCode 2 1,350 tok
mumong/mcpServer-holmesgpt this is a pluging module which uesd by another project holmesgpt-agent 2 Claude Code 9 1,378 tok
MoebiusSt/indesign-scripting-mcp MCP servers for Adobe InDesign: DOM lookup + ExtendScript execution via COM/OLE (Windows). 2 Cursor 1
ironxyz/mcp-server 2 Claude Code, Codex 1
Weaverse/mcp-server 2 Claude Code, Codex, OpenCode 2 163 tok
BenjaminDuthe/proxmox-mcp MCP Server for Proxmox VE - Manage VMs, containers, snapshots, storage via Claude 2 Claude Code 1 1,666 tok
alisyedn/yugioh-mcp-server yugioh-mcp-server 2 Claude Code 1
SignalWhisperer/cargo-mcp Cargo MCP Server 2 Codex, OpenCode 1 4,628 tok
lukasamd/mybb-mcp MyBB MCP Server 2 Codex, OpenCode 1 1,114 tok
test-zeus-ai/testzeus-mcp-server testzeus-mcp-server 2 Codex, OpenCode 1 686 tok
edmiand/open5gs-mcp Open5GS MCP Server 2 Claude Code 1 1,024 tok
ineersa/mcp-sql-server MySQL MCP server 2 Codex, Gemini CLI, OpenCode 2 1,637 tok
winkash/mcp-databricks-app Databricks MCP Server 2 Claude Code 8 3,206 tok