How real projects configure their agents

43,761 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 agents7,699Claude Code6,660Data and AI3,668Backend and APIs3,501Languages3,399Planning3,231Git and workflow3,226Code review2,759Testing2,389Memory and context2,368Writing and docs2,333DevOps and cloud2,313Research2,290Frontend2,267Security2,038Project management1,731

All Claude Code31,986 Codex23,430 OpenCode22,372 GitHub Copilot3,564 Gemini CLI1,915 Cursor1,742 Windsurf150 Kiro84

Project Stars Configures Files Always loaded
LebedAlIv2601/McpSystem 1 Claude Code 1 4,746 tok
JunHyungKang/t1d-mcp MCP for people with type 1 diabetes. 1 Claude Code 2 745 tok
jeffmm/nytimes-mcp FastMCP Server for the NYTimes API 1 Claude Code 1 1,292 tok
Limecooler/yt-video-info A lightweight MCP server that extracts YouTube video metadata and transcripts through web 1 Claude Code 1 1,406 tok
miadisabelle/mcp-coaia-sequential-thinking 1 GitHub Copilot, Gemini CLI 2 2,479 tok
nickweedon/google-docs-mcp-docker Docker image that is based off the 'google-docs-mcp' server 1 Claude Code 3 3,025 tok
sandraschi/observability-mcp FastMCP 3.2 observability server for monitoring MCP ecosystems with OTel and Grafana 1 Claude Code, Codex, Cursor, OpenCode 4 516 tok
qingfeng0512/chart-mcp-server custom chart mcp server ,.An implementation of https://www.modelscope.cn/mcp/servers/antv 1 Claude Code 1 1,881 tok
kzmshx/frontmatter-mcp pypi.org MCP server for querying Markdown frontmatter with DuckDB SQL 1 Claude Code 3 466 tok
robinmordasiewicz/f5xc-cloudstatus-mcp robinmordasiewicz.github.io F5 Cloud Status MCP server 1 Claude Code 1 2,137 tok
ArkTechNWA/pfsense-mcp Bidirectional pfSense agent: MCP server + emergency brain 1 Claude Code 1 255 tok
thhart/fd-mcp 1 Claude Code 6 2,278 tok
danielsteman/filmladder-mcp Hook up this MCP to Cursor (or something else) so you can pick a movie in Amsterdam to wat 1 Cursor 1 270 tok
waynebaby/MCPTokenBridge 1 Codex, GitHub Copilot, OpenCode 2 1,318 tok
johnie/traktamente-mcp traktamente.app An MCP that provides access to Swedish traktamente (per diem) rates from Skatteverket's of 1 Claude Code, GitHub Copilot 4 2,864 tok
jdh747/todoist-mcp todoist.com Augment LLMs with Todoist features 1 Claude Code 1 1,725 tok
dsfaccini/siigo-mcp 1 Claude Code 5 398 tok
jscraik/mKit MCP Server Boilerplate for Cloudflare Workers 1 Claude Code, Codex, OpenCode 2 633 tok
adrianmikula/JakartaMigrationMCP 1 Codex, Cursor, OpenCode 4 4,267 tok
Agarwal-Saurabh/multiapimcpserver Convert multiple openAPI spec into single mcp server 1 GitHub Copilot 1 520 tok
serima/hatena-blog-mcp 1 Claude Code 1 3,216 tok
Nexus-Digital-Automations/Claude_Code_MCP_2 1 Claude Code 1 5,165 tok
sankalpmukim/ibm-cloud-docs-mcp-server 1 Claude Code 1 957 tok
creative-koalas/kmux Block-oriented terminal MCP server, tailored for AI/LLMs 1 Codex, OpenCode 1 47 tok
peacockery-studio/outlook-mcp MCP server for Outlook - read/send emails and manage calendar events via Claude 1 Claude Code 1 2,022 tok
jorben/mcp-server A unified MCP (Model Context Protocol) server with pluggable tools. 1 Codex, OpenCode 1 1,085 tok
Stesm/gemini-mcp MCP server for integration with Gemini AI 1 Claude Code 1 693 tok
MagicTurtle-s/claude-code-mcp-bridge MCP server that bridges Claude Desktop to Claude Code CLI, enabling delegation to subagent 1 Claude Code 1
Henry-Workshop/tempo-mcp 1 Claude Code 1 692 tok
antonio-mello-ai/mcp-slack MCP server for slack 1 Claude Code, Codex, Gemini CLI, OpenCode 3 354 tok
MisakaMikoto128/J-Link-RTT-Viewer-MCP MCP Server for J-Link RTT Viewer - AI-powered STM32 debugging 1 Claude Code 1 500 tok
griffinwork40/twilio-mcp Model Context Protocol (MCP) server for Twilio SMS messaging with intelligent conversation 1 Claude Code 1 1,770 tok
desertaxle/devin-mcp MCP server for delegating tasks to Devin AI 1 Claude Code 1 301 tok
itk-dev/mcp-claude-code-browser-feedback MCP for adding feedback to Claude Code from a browser dialog. 1 Claude Code 1 1,367 tok
carlosedp/redfish-mcp-server An MCP Server allowing AI agents to interact with Redfish enabled BMC 1 GitHub Copilot 1 753 tok
jayasimhag1reddy/Context-Persistance This is an MCP server where the context of the LLM will be persisted across the workspaces 1 GitHub Copilot 1 1,051 tok
kvas-it/mcp-ltm Long term memory for Claude Code and other LLM tools 1 Claude Code, Codex, OpenCode 2 759 tok
dpaluy/mcp-claude-desktop 1 Claude Code 1 1,011 tok
cvsloane/mainwp-mcp 1 Claude Code, Codex, OpenCode 2 245 tok
dd-dent/choff-a-mcp 1 Claude Code 2 1,407 tok
lfdantoni/my-personal-code-mcp My personal code MCP 1 Claude Code 1 321 tok
richinex/berry-mcp A tool to bootstrap model context protocol (MCP) servers 1 Claude Code 1 600 tok
l0kifs/task-context-mcp 1 Claude Code 1
aferreiraguido/python-mcp-server MCP Server For Deterministic PYTHON Analysis 1 Codex, OpenCode 1 820 tok
tonybentley/enc-charts-mcp 1 Claude Code 1 6,328 tok
kadreio/mcp-coding-agents MCP server with multiple AI coding agents for enhanced development workflows 1 Claude Code 1 1,195 tok
elevateinformatics/mcp-server-odoo A Model Context Protocol (MCP) server that enables AI assistants to securely interact with 1 Claude Code 1
hancengiz/read_pdf_as_text_mcp 1 Claude Code 1 2,586 tok
mrorigo/simple-memory-mcp Personal memory MCP server backed by SQLite FTS5 BM25 search with temporal reranking. 1 Codex, OpenCode 1 808 tok
JossBen/mcp-video-editing-assistant MCP server for learning video editing patterns with DaVinci Resolve integration 1 Claude Code 1 757 tok