How real projects configure their agents

31,993 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 agents7,750Claude Code6,665Data and AI3,660Backend and APIs3,501Languages3,396Git and workflow3,240Planning3,237Code review2,765Testing2,405Memory and context2,365Writing and docs2,337DevOps and cloud2,319Research2,286Frontend2,267Security2,044Project management1,742

All Claude Code31,993 Codex23,503 OpenCode22,448 GitHub Copilot3,567 Gemini CLI1,915 Cursor1,740 Windsurf150 Kiro86

Project Stars Configures Files Always loaded
sentania-labs/vcf-mcp Governed multi-backend MCP appliance for VMware Cloud Foundation 0 Claude Code, Codex, OpenCode 2 2,922 tok
LesterAJohn/fastly-mcp 0 Claude Code 1 —
adefemi-dev/Jcodemunch-mcp 0 Claude Code, Codex, OpenCode 2 31,152 tok
atharva-bedekar/PowerPointMCP MCP to allow agentic edits and creation of ppts. Connect with any agent platform of your c 0 Claude Code, Codex 1 —
Konjkov/casino-mcp casino-mcp 0 Claude Code 1 —
masaki-kato-119/hybrid-rag-memory Hybrid dense+sparse RAG library with an MCP server for Claude Code. Its FAISS backend adds 0 Claude Code 4 —
tzavislan/kumihimo Plan as a graph of plain-text files, edit it on a live canvas, braid it into one determini 0 Claude Code 1 900 tok
bulychauPI/shop-db-mcp 0 Claude Code, Codex, OpenCode 2 1,320 tok
ylty1516/ase-deliver ylty1516.github.io Any AI to production Aseprite game art. CLI + MCP compiler for .aseprite sprites, sheets, 0 Claude Code, Codex, OpenCode 2 1,015 tok
zbrkic/godot-mcp 0 Claude Code, Codex, Gemini CLI, OpenCode 3 535 tok
echoomegaprime/echo-credential-broker Echo Vault credential broker MCP — agents may USE credentials, never READ them. Install fo 0 Claude Code, Codex, OpenCode 2 4,960 tok
harutlc/sql-mcp 0 Claude Code, Codex 1 —
tbaraniuk/arxiv-agent-mcp 0 Claude Code, Codex, OpenCode 2 1,462 tok
ChristianCruger/onenote-mcp Read-only MCP server that lets Claude read local OneNote notebooks over the desktop COM AP 0 Claude Code 1 2,004 tok
bebebebebebebebebebebebebebebe/mcp-examples 0 Claude Code, Codex, OpenCode 8 673 tok
kyle-nelson-berkeley/runpod-mcp 0 Claude Code, Codex, OpenCode 2 3,143 tok
chiraitori/manga-trans Local-first Model Context Protocol (MCP) server & Web Studio for manga/comic scanlation, i 0 Claude Code, Codex, Gemini CLI, OpenCode 3 1,377 tok
ltda3/telco-analytics-mcp Governed, deterministic telco analytics MCP backed by a semantic layer 0 Claude Code, Codex 1 —
ibezgachev/sales-analytics-mcp A prototype MCP-based analytics system: an LLM loads tabular data, cleans it, creates char 0 Claude Code 2 1,841 tok
wspringer/lilypond-mcp MCP server engraving LilyPond sources into placeable assets (PDF for InDesign, EPS, SVG, P 0 Claude Code 1 790 tok
ivanprytula/cv-rest-mcp-server 0 Claude Code, Codex, OpenCode 3 11,881 tok
Akakaui/visual-browser-agent Local-first visual browser specialist for coding agents. Playwright + MCP + 18 skills + 12 0 Claude Code 1 —
jakemo007/mcp-trading-agent It is there to facilitate live demo trading 0 Claude Code 1 7,331 tok
sixeyed/lms-mcp-server MCP server for Lyrion 0 Claude Code 1 741 tok
slavamirgit/shop-mcp Read-only MCP server for analytics over a SQLite shop database. 0 Claude Code, Codex, OpenCode 2 737 tok
Zereo0317/Epstein-Files-Plugin MCP server + CLI for the public DOJ Epstein Files Transparency Act release - search ~1.4M 0 Claude Code 1 3,632 tok
nepomusic/discogs-mcp-nepomusic 0 Claude Code 1 1,193 tok
paladini/portmap Stop guessing localhost ports. Deterministic CLI + MCP maps declared configs, OS listeners 0 Claude Code, Codex, OpenCode 2 698 tok
jedikim/storyai A narrative knowledge graph and MCP server for long-form fiction continuity. 0 Claude Code, Codex, OpenCode 2 756 tok
Toligrim/Letopis-mcp Летопись (Letopis) engine + thin MCP server on top — Telegram chat archive & smart search 0 Claude Code, Codex, OpenCode 2 2,201 tok
ru551n/vhdl-rag-mcp VHDL RAG MCP server 0 Claude Code 1 —
Totopolis/laws Laws and codes, MCP, CLI, qwen3-emb-onnx 0 Claude Code 4 1,940 tok
Hmkhalla/collegia-mcp 0 Claude Code 1 1,713 tok
Jojeda96/mcp-analytics-server 0 Claude Code 6 —
Bilaltariq98/invest experiment exploring building a web app /w MCP and some adaptiveness 0 Claude Code 2 —
jaksa-v/mcp-lab 0 Claude Code, Codex, OpenCode 10 2,605 tok
tasqrai/tasqr-mcp-python tasqr.ai Tasqr MCP client (Python): task state management for AI agents. Connects any MCP client to 0 Claude Code 1 2,893 tok
tasqrai/tasqr-mcp-node tasqr.ai Tasqr MCP client (Node): task state management for AI agents. Connects any MCP client to t 0 Claude Code 1 3,688 tok
gwdmnn/keyward-mcp-server An MCP server that works as a proxy and isolates database credentials from the caller agen 0 Claude Code 1 1,957 tok
k0ry/MCPDeveloper Database API MCP 0 Claude Code, Codex 6 —
Builderstar/youtube-music-cli-mcp-fork Unofficial involvex/youtube-music-cli fork adding a local stdio MCP server; not affiliated 0 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 6 6,513 tok
Gyangu/Peek A standalone database viewer that exposes itself as an MCP server, so an AI can drive the 0 Claude Code 11 876 tok
jirathip-dev/morsel morsel-authorize-ui.vercel.app MCP-first, camera-first food tracker — data store + dashboard + agent skill. Your AI fills 0 Claude Code, Codex, OpenCode 2 389 tok
hspanteon/timeline-mcp fetch panteon timeline task 0 Claude Code, Codex, OpenCode 5 2,112 tok
lswith/imap-mcp An MCP for IMAP running on cloudflare 0 Claude Code, Codex, OpenCode 21 3,258 tok
trustypangolin/excel-mcp-live Live Excel Editing MCP 0 Claude Code 1 2,441 tok
trustypangolin/powerpoint-mcp-live Live Powerpoint editing 0 Claude Code 1 1,407 tok
serezhenkov-lab/1c-ai-mcp Fork of Desko77/1c-ai-mcp: MCP server for 1C:Напарник, adapted for opencode 0 Claude Code 1 1,687 tok
ac0033/agent-memory Agent long-term memory infrastructure: a desensitization → distillation → reconciliation a 0 Claude Code, Codex, OpenCode 1 5,505 tok
timeaissr/datetime-mcp-server 0 Claude Code, Codex, OpenCode 1 —