How real projects configure their agents

43,872 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 agents7,796Claude Code6,678Data and AI3,657Backend and APIs3,502Languages3,394Git and workflow3,252Planning3,236Code review2,768Testing2,425Memory and context2,361Writing and docs2,344DevOps and cloud2,337Research2,286Frontend2,272Security2,058Project management1,756

All Claude Code32,008 Codex23,577 OpenCode22,522 GitHub Copilot3,569 Gemini CLI1,916 Cursor1,739 Windsurf152 Kiro87

Project Stars Configures Files Always loaded
vijitdaroch/Financial-Modeling-Prep-MCP-Server A Model Context Protocol (MCP) implementation for Financial Modeling Prep, enabling AI ass 0 GitHub Copilot 1 1,431 tok
cfocoder/Financial-Modeling-Prep-MCP-Server A Model Context Protocol (MCP) implementation for Financial Modeling Prep, enabling AI ass 0 GitHub Copilot 1 1,431 tok
gurdasnijor/my-smithery-app 0 Codex, OpenCode 1 3,841 tok
Isaac-theori/Vulnerable-MCP-server vulnerable-MCP-server for education 0 Codex, OpenCode 1 3,412 tok
Parichay-Pothepalli/financial-research-mcp 0 Codex, OpenCode 1 972 tok
manasp21/rabi-mcp Advanced MCP server specialized in Atomic, Molecular and Optical (AMO) Physics 0 Claude Code 1 16 tok
82deutschmark/chlorpromazine-mcp markbarney.net Buzz Killer 0 Claude Code 1 797 tok
manasp21/EventHorizon An MCP server implementation that provides evolutionary solution generation and optimizati 0 Claude Code 1 8 tok
PeeeBrain/gmail-mcp 0 Codex, OpenCode 1 389 tok
padak/apify-actor-reddit-mcp 0 Claude Code 1 2,701 tok
TwoFeetUp/clickup-mcp 0 Claude Code 8 —
LucaDeLeo/amazing-marvin-mcp 0 Claude Code 1 4,299 tok
huegli/capture-win-mcp 0 Claude Code 1 1,286 tok
erayguner/db-mcp Database MCP 0 Claude Code 1 1,672 tok
vic3custodio/mcp_test_2 0 GitHub Copilot 1 764 tok
BrayanTM/mcp-basico MCP Server con Python 0 GitHub Copilot 1 752 tok
LinhDangOpti/mcpserver An MCP server that connects to Azure DevOps to fetch and process work items easily. 0 GitHub Copilot 1 342 tok
Ishant-93/MCP 0 Claude Code 1 1,577 tok
MissionSquad/mcp-thorchain THORChain MCP server 0 Claude Code 1 7,837 tok
AnotherStream/mcp-notes-connector Evernotes MCP Server 0 Claude Code 1 1,576 tok
cppmyjob/cpp-mcp-planner MCP Planner 0 Claude Code 2 709 tok
mad-sol-dev/mad-invoice-mcp MAD invoiceMCP server. Create, store, and render invoices from JSON via LaTeX to PDF – sin 0 Claude Code 1 2,534 tok
VIGNESH-2232005/mcp 0 GitHub Copilot 1 88 tok
bugzy-ai/resend-mcp-server MCP server for sending emails via Resend API 0 Claude Code 1 543 tok
es6kr/claude-sessions-mcp DEPRECATED: This package has been replaced by claude-code-sessions. 0 Claude Code 1 865 tok
bpamiri/pymssql-mcp 0 Claude Code 1 677 tok
UNES97/mcp-db-demo MCP Demo 0 Claude Code 1 —
Anwesh43/ollama-apify-mcp Ollama apify mcp 0 Codex, OpenCode 1 4,493 tok
12-days-of-shipmas-2025/day-2-image-generation-mcp 0 Claude Code 1 448 tok
sam2332/mcp-server-generate-placeholder 0 GitHub Copilot 1 351 tok
VivaLaPanda/archive-mcp MCP server for querying the Community Archive (preserved Twitter data) 0 Claude Code 1 770 tok
ozgurozkan123/mcpsmuggler Deployed MCP server from cyproxio/mcp-for-security 0 Codex, OpenCode 1 1,918 tok
llanterme/codebase-insights-mcp codebase-insights-mcp 0 Claude Code 1 2,728 tok
danielsimonjr/math-mcp Math MCP using Mathjs and WASM for accelerated computing. 0 Claude Code 1 2,521 tok
palon7/mcp-chat-human MCP Server that connects to chat platforms like Discord to ask a human anything. 0 Claude Code 1 449 tok
rahul23aug/codex-mcp-telegram 0 Codex, OpenCode 1 402 tok
Nebhg/sql-server-mcp 0 Cursor 1 16 tok
luchiniatwork/openai-websearch-mcp 0 Codex, OpenCode 1 346 tok
himly0302/web-analysis-mcp 0 Claude Code 1 1,165 tok
0ui-labs/agentic-workbench MCP-based tool orchestrator with hierarchical navigation 0 Claude Code 2 850 tok
liquiddesign/freelo-mcp 0 Claude Code 1 1,083 tok
rinerebox1/deno-gemini-grounding-mcp-server 0 Claude Code, Gemini CLI 7 —
LLMBaseAI/mcp-servers mcp.llmbase.ai The most feature-rich, production-ready web fetching MCP server. (More servers coming soon 0 Claude Code 1 3,146 tok
UBTCodeNinja/mcp-file-compaction An MCP server (intended for Claude) to reduce token usage, allowing for longer conversatio 0 Claude Code 1 199 tok
LiamCarver/node-dev-mcp-server Node based MCP server exposing I/O and Git MCP tools. 0 Codex, OpenCode 1 30 tok
shayrylmae/Weather-MCP-Server 0 Claude Code 1 1,368 tok
jacknzheng/superpower-meta-mcp-server 0 Claude Code 1 2,910 tok
astra-bright/mcp_xpp Experimental MCP server for Dynamics 365 F&O X++ development. Provides object creation, mo 0 GitHub Copilot 1 119 tok
miyatsuki/study-slack-remote-mcp 0 Claude Code 1 1,305 tok
uzusio/faster-whisper-mcp 0 Claude Code 6 464 tok