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
Markera-OU/pankow-mcp Pankow MCP server storefront: manifests, docs, and registry metadata (no app code) 0 Claude Code, Codex, OpenCode 2 678 tok
yunsy84/law_mcp 0 Claude Code 2 5,891 tok
perniemann/pnCore perniemann.com MCP engine that runs software delivery as named, gated steps; not one long chat. Skills, a 0 Claude Code, Codex, OpenCode 2 3,392 tok
rjpaganini/quickbooks-mcp-server Single-file MCP server giving Claude full read/write access to QuickBooks Online, plus rec 0 Claude Code 1 1,669 tok
longhdwst1full/social-connect-mcp-poc social-connect-mcp-poc.vercel.app 0 Claude Code, Codex, OpenCode 8 1,490 tok
ishfuseini/agentflow-mcp Agentic POC demo needs a credible internal MCP server that agents can call to translate me 0 Claude Code 6 —
ishan-parihar/swiggy-lyr Unified Swiggy MCP - Food, Instamart & Dineout for AI agents. One server, one OAuth token. 0 Codex, OpenCode 1 797 tok
ishan-parihar/amazon-lyr Amazon research & shopping MCP server for AI agents — search, product details, reviews, ca 0 Codex, OpenCode 1 954 tok
TG-Techie/apple-mail-mcp 0 Claude Code, Codex, OpenCode 11 2,356 tok
limars874/coordination-mcp A small shared work-state MCP server. 0 Codex, OpenCode 1 113 tok
purplehat93/proton-mcp 0 Codex, OpenCode 1 469 tok
delaren47/gsc-ga4-mcp Local MCP server giving Claude Code read-only Google Search Console and GA4 access, with c 0 Claude Code 1 1,130 tok
Faysal-star/codeforces-mcp Simple MCP server for personalized Codeforces practice, problem discovery and performance 0 Claude Code 2 651 tok
OrellBuehler/search-console-mcp 0 Claude Code 1 1,861 tok
ishan-parihar/etmoney-lyr ET Money research layer for AI agents — 67 mutual-fund categories, stock screens & NIFTY c 0 Codex, OpenCode 1 866 tok
csikosaron98/intervals-mcp-server FitBudy map server for intervals 0 Codex, OpenCode 1 292 tok
aryaminus/socials-assistant deploy.workers.cloudflare.com MCP server + agent skills for social media creators — TikTok/Instagram/Facebook/YouTube an 0 Claude Code, Codex, OpenCode 2 2,634 tok
Debanjan29/readonly-mssql-mcp-db 0 Claude Code 4 1,726 tok
vinilana/nf-mcp 0 Claude Code, Codex, OpenCode 3 260 tok
vkumar04/canvas-mcp-lite Lean, instructor-focused Canvas LMS MCP server built on FastMCP 0 Claude Code 1 1,511 tok
SDK-E/mailbox Local development mail sink — SMTP catcher with HTTP API, inbox UI, CLI and MCP server 0 Codex, OpenCode 1 555 tok
moosin76/windows-scoped-remote-mcp-server wsr.ezcode.kr 0 Codex, OpenCode 1 3,268 tok
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 —
deuriib/mcp-gateway Aggregate multiple MCP servers behind a single HTTP/SSE endpoint with Code Mode — reducing 0 Codex, OpenCode 1 4,465 tok
kristianeboe/outsite-mcp outsite-mcp.kristianeboe.me Unofficial read-only MCP for Outsite availability, rates, and room calendars 0 Codex, OpenCode 1 243 tok
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
kalala252/asm-mcp-server MCP server for evidence-backed passive attack-surface research 0 Codex, OpenCode 1 113 tok
harutlc/sql-mcp 0 Claude Code, Codex 1 —
tbaraniuk/arxiv-agent-mcp 0 Claude Code, Codex, OpenCode 2 1,462 tok
AI1379/mihoyo-mcp MCP server for Miyoushe / HoYoLAB — QR login, encrypted credential vault, daily notes & al 0 Codex, OpenCode 1 1,763 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 —
publicala/ebooksdepository-agent ebooksdepository.com Official EbooksDepository agent skill, MCP config, and Agent Plugin manifest 0 Codex, OpenCode 1 222 tok
bmbbms/boss-cli-mcp Boss Zhipin automation CLI with MCP server and batch messaging 0 Codex, OpenCode 1 357 tok
cuishihui66/coding-tools-mcp coding-tools-mcp 0 Codex, OpenCode 6 1,072 tok
Wulfgardr/work-assistant Gestione locale e indipendente dal provider della posta per persone e agenti AI 0 Codex, OpenCode 1 247 tok
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
HabaAndrei/custom-chrome-dev-mcp Local-only MCP server that drives the real Chrome you already have open (your profile, you 0 Claude Code 1 1,509 tok