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
SomeNewKid/McpSidecar A Docker container sidecar as an MCP server. 0 Codex, OpenCode 1 233 tok
manazoid4/agent-nudge agent-nudge-bay.vercel.app Local-first pre-action context assurance for AI coding agents: detect stale context and co 0 Claude Code, Codex, OpenCode 2 227 tok
Xsaven/vector-task-mcp 0 Claude Code, Codex, OpenCode 2 6,987 tok
SusuTawar/ragi local-first per project RAG implementation 0 Claude Code, Codex, OpenCode 3 230 tok
u9401066/rootcause-mcp Clinical Root Cause Analysis MCP Server - AI-guided structured RCA with Fishbone (6M), 5-W 0 Claude Code, Codex, GitHub Copilot, OpenCode 51 4,716 tok
zztdandan/image-generate-mcp-remote image-generate-mcp-remote 0 Codex, OpenCode 1 1,110 tok
obrien-matthew/mcp-plex pypi.org MCP server for Plex -- media discovery, search, and library management for Claude and othe 0 Claude Code, Codex, OpenCode 2 295 tok
ruchit-p/macwright MCP server for reliable native macOS desktop control from AI agents 0 Claude Code, Codex, OpenCode 5 2,039 tok
openl-tablets/openl-mcp 0 Claude Code, Codex, OpenCode 2 8,452 tok
nickzren/mygene-mcp MCP server for MyGene.info API 0 Claude Code, Codex, OpenCode 2 590 tok
dtannen/pm Project Manager MCP 0 Claude Code, Codex, Gemini CLI, OpenCode 3 4,409 tok
tbrandenburg/pycontextify A Python-based MCP server for semantic search over codebases, documents, and webpages with 0 Codex, OpenCode 1 1,357 tok
ipnet-mesh/meshcore-mcp MeshCore Companion Node MCP Server 0 Claude Code, Codex, OpenCode 2 1,524 tok
davidruzicka/mcp4openapi Universal MCP server that can translate MCP tools for any OpenAPI 3.x specification. 0 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 16 4,494 tok
sandsaber/AgentSpawnMCP Universal MCP server for any OpenAI-compatible LLM. Supports OpenAI and Anthropic API form 0 Codex, OpenCode 1 2,292 tok
dholliday3/coros-training-mcp 0 Claude Code, Codex, OpenCode 2 1,271 tok
standardbeagle/slop-mcp standardbeagle.github.io MCP orchestrator — connect dozens of MCP servers while exposing only 8 meta-tools, so tool 0 Claude Code, Codex, OpenCode 2 1,939 tok
UMBRAXON/kya-hub umbraxon.xyz Know Your Agent — Lightning-paid, Ed25519-anchored identity & reputation protocol for auto 0 Codex, Cursor, OpenCode 2 3,353 tok
Jah-yee/diagrams-mcp-server microsoft.github.io MCP server for generating professional infrastructure diagrams using the Python diagrams D 0 Claude Code, Codex, OpenCode 2 5,053 tok
CBEPX/talos-mcp-server 🤖 AI-powered Talos Linux management via Model Context Protocol (MCP) 0 Claude Code, Codex, Cursor, OpenCode 5 1,126 tok
obrien-matthew/mcp-mealie MCP server for Mealie 0 Claude Code, Codex, OpenCode 2 316 tok
fastmcp-me/magic-api-mcp-server Magic-API MCP Server - A Model Context Protocol server for Magic-API development 0 Codex, OpenCode 1 749 tok
harryhazza77/aws-safe-mcp Safe, read-only MCP server for AWS investigation by AI coding agents 0 Codex, OpenCode 1 2,078 tok
iflow-mcp/openai-sdk-knowledge-org openai-sdk-knowledge.org Live example MCP server built with Cloudflare Workers/Queues/Vectorize/D1 and OpenAI Agent 0 Claude Code, Codex, OpenCode 2 2,450 tok
Asheng008/unifiles-mcp 0 Claude Code, Codex, Cursor, OpenCode 9 1,248 tok
jr2804/outlook-desktop-mcp Private fork of Aanerud/outlook-desktop-mcp with calendar folder support 0 Codex, OpenCode 1 1,843 tok
obrien-matthew/mcp-garmin MCP server for Garmin Connect health and fitness data 0 Claude Code, Codex, OpenCode 2 300 tok
FojleRabbiRabib/gemini-bridge A lightweight MCP server bridging AI agents to Google's Gemini AI via official CLI 0 Claude Code, Codex, OpenCode 2 3,602 tok
nickshffer/graph-rag-mcp-server 0 Claude Code, Codex, OpenCode 2 2,966 tok
sondt2709/cloud-vm-mcp-py 0 Claude Code, Codex, GitHub Copilot, OpenCode 25 1,650 tok
aidenappl/lattice-mcp 0 Codex, OpenCode 1 6,974 tok
DominikPollok/mcp-for-metabase 0 Codex, OpenCode 4 431 tok
Direct-TO/kail-mcp 0 Codex, OpenCode 1 30 tok
carbonstop-hub/carbonstop-mcp MCP server for Carbonstop — carbon footprint modeling via Carbonstop Gateway API 0 Codex, OpenCode 1 354 tok
drunkrhin0/rapid7-docs-mcp MCP to retrieve Rapid7 docs, website and extensions info. 0 Codex, OpenCode 1 1,343 tok
IceWreck/SearxNG-MCP-Server MCP Server for SearxNG 0 Claude Code, Codex, OpenCode 2 863 tok
deeprave/mcp-guide MCP server for handling guidelines, project rules and controlled development workflow acro 0 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 30 1,465 tok
tterrasson/mcp-searxng MCP Server for SearXNG 0 Claude Code, Codex, OpenCode 2 98 tok
poad/aws-mcp-lambda-server 0 Codex, OpenCode 1 995 tok
jackspooner/agentcanvas Agent-operable web canvas service with dedicated MCP controls 0 Codex, OpenCode 1 760 tok
bazhuayu-team/bazhuayu-mcp 0 Claude Code, Codex, Gemini CLI, OpenCode 3 16,803 tok
pushkarev-alexandr/cerebro-mcp MCP server for read-only access to Cerebro via LLM tools 0 Codex, OpenCode 1 1,502 tok
jagonzalr/knocoph npmjs.com Knocoph (nok-of) is a local MCP server that parses TypeScript and JavaScript codebases int 0 Codex, GitHub Copilot, OpenCode 2 2,026 tok
bitbankinc/bitbank-mcp-server MCPserver for bitbank 0 Claude Code, Codex, Cursor, OpenCode 7 720 tok
leongxj123/entrez-mcp-server 0 Claude Code, Codex, OpenCode 2 2,428 tok
NeuroGhostDev/booster_mcp Booster MCP is an MCP server for semantic code analysis, repository mapping, and large cod 0 Codex, OpenCode 1 659 tok
henrikogaard/mcp-polvenn Local-first MCP server for Vinmonopolet beer releases and stock lookups 0 Claude Code, Codex, OpenCode 2 3,456 tok
ALLLLLL703/midi A secure TypeScript MCP server for MuScriptor audio-to-MIDI transcription 0 Codex, OpenCode 1 241 tok
srobbins-sfdc/GoogleADK-to-SalesforceMCP 0 Codex, OpenCode 1 748 tok
rlaalsdn4564/korea-ecommerce-integrated-channel-mcp 0 Codex, OpenCode 1 1,345 tok