43,853 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 agents7,784Claude Code6,676Data and AI3,658Backend and APIs3,500Languages3,392Git and workflow3,252Planning3,233Code review2,768Testing2,420Memory and context2,364Writing and docs2,341DevOps and cloud2,330Research2,286Frontend2,271Security2,055Project management1,754
All Claude Code32,000 Codex23,558 OpenCode22,502 GitHub Copilot3,568 Gemini CLI1,915 Cursor1,737 Windsurf150 Kiro87
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| bhawnapannu2701/workbench-mcp Secure FastMCP server for controlled repository inspection, file operations, test executio | 0 | Codex, OpenCode | 1 | 346 tok |
| nlebovits/parseltongue-claude MCP server wrapping Parseltongue's symbolic verification engine for Claude Code. | 0 | Claude Code | 1 | 431 tok |
| mrkutin/sonoff-mcp Sonoff MCP server for smart home control | 0 | Claude Code | 1 | 4,267 tok |
| desunit/google-play-analytics-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 994 tok |
| tai42ai/tai42-mcp-dynamic-postgres | 0 | Codex, OpenCode | 1 | 372 tok |
| jgt87/local-llm-mcp MCP server for fast synchronous calls to a local model via Ollama | 0 | Claude Code | 1 | 1,163 tok |
| Mnehmos/mnehmos.ffmpeg-llm.mcp FFmpeg-based video editing engine with MCP tool exposure and OpenRouter LLM autopilot | 0 | Claude Code | 1 | 1,109 tok |
| oscardagrach/fortigate-mcp MCP server for managing FortiGate firewalls via the FortiOS REST API | 0 | Claude Code | 1 | 559 tok |
| Das-rebel/marketic White-label marketing strategy brain — ensemble AI, calibrated market signals, margin-awar | 0 | Claude Code | 1 | 1,058 tok |
| nordio-ai/brreg-mcp-server Norwegian business register (Brønnøysundregistrene) as an MCP server — companies, roles, s | 0 | Claude Code | 1 | 92 tok |
| saiden-dev/browse Browser automation MCP server for Claude Code | 0 | Claude Code | 2 | 1,633 tok |
| samsamurai301/Researcher-AI Auditable AI Scientist-v2 workflows for ChatGPT, Codex, and Claude Code | 0 | Codex, OpenCode | 1 | 190 tok |
| Ippei523/pokemon-mcp-server | 0 | Claude Code | 1 | 1,229 tok |
| erstcl/time-toolkit Python CLI, MCP server, SDK, WebSocket client, and read-only HTTP API for Time Messenger a | 0 | Codex, OpenCode | 1 | 294 tok |
| Cogni-AI-OU/vastai-host-mcp MCP server to manage host-side Vast AI written in TypeScript. | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 6,662 tok |
| giltiq/giltiq-mcp MCP server for EU VAT validation — VIES + BZSt failover, §18e qualified confirmations, cac | 0 | Claude Code, Codex, OpenCode | 2 | 427 tok |
| ylt/nodered-mcp Node-RED MCP server — Python/FastMCP implementation with Pydantic models, flow patching, l | 0 | Claude Code | 1 | 1,970 tok |
| SentientUI/mcp sentient-ui.com Official MCP server for SentientUI — read experiment data and manage variants for your pro | 0 | Codex, OpenCode | 1 | 1,967 tok |
| Zantonse/OktaMCP | 0 | Claude Code | 1 | 1,488 tok |
| JaysonAlbert/log-search-mcp a mcp that search logs from a remote ssh server | 0 | Codex, OpenCode | 1 | 143 tok |
| iberi22/strudelMCP MCP Server for teaching AI agents to compose music using Strudel syntax | 0 | Claude Code | 1 | 836 tok |
| umutc/scrapedo-mcp-server MCP server for Scrapedo web scraping API - Enable Claude Desktop to perform web scraping v | 0 | Claude Code | 1 | 2,121 tok |
| dinimiciuillabs-cloud/loometo loometo.com Open-source node-based AI creative studio. 276 models, bring your own keys, and an MCP ser | 0 | Claude Code | 1 | 997 tok |
| Shigurex/boj_jstat_mcp | 0 | Claude Code | 1 | — |
| zacharycox-tamu/mcp-checkuptime A MCP server for pinging and curling sites for uptime | 0 | Claude Code | 1 | 119 tok |
| CaptainCrouton89/browser-tools-mcp | 0 | Claude Code | 1 | 534 tok |
| lucascortazz/mcp-cucumber-js-mobile-automation MCP server for mobile automation testing with Cucumber.js integration. Provides natural la | 0 | GitHub Copilot | 1 | 419 tok |
| sebastienfi/mcp-twilio-sms MCP server that lets Claude send SMS text messages via Twilio. | 0 | Claude Code | 1 | 426 tok |
| beeltec/context-usage-mcp MCP server exposing a get_context_usage tool that reports the current session's raw token | 0 | Claude Code, Codex, OpenCode | 8 | 583 tok |
| sebastienfi/mcp-vapi-generic-caller MCP server that lets Claude make AI-powered outbound phone calls via Vapi. | 0 | Claude Code | 1 | 718 tok |
| zacdreyer/wp-betheme-mcp MCP Server for BeTheme Wordpress Theme | 0 | Claude Code, Codex, OpenCode | 2 | 389 tok |
| jcyamacho/agent-memory Persistent memory for MCP-powered coding agents. | 0 | Claude Code, Codex, OpenCode | 2 | 1,002 tok |
| michaelcortese/better-ableton-mcp michaelcortese.github.io Organization-focused Ableton Live MCP with context-aware MIDI melody and chord generation | 0 | Codex, OpenCode | 1 | 245 tok |
| Vince-Yi/-vncy-sentinel-memory-mcp | 0 | Cursor | 1 | 432 tok |
| marklubin/mcp-email-server Minimal MCP server for email via ProtonMail Bridge | 0 | Claude Code | 1 | 1,705 tok |
| autobb888/j41-sovagent-mcp-server | 0 | Claude Code | 1 | 1,217 tok |
| keisku/yfinance-mcp Yahoo Finance MCP server providing market data and technical analysis tools | 0 | Claude Code | 1 | 248 tok |
| thegridwork/wiki Compliance knowledge base MCP server — GDPR, EU AI Act, CCPA, licensing, accessibility. 33 | 0 | Claude Code | 1 | 1,470 tok |
| keskinonur/shelfgap shelfgap.onurkeskin.com A ChatGPT-native, deterministic buyer-choice simulator that shows e-commerce merchants why | 0 | Codex, OpenCode | 1 | 1,736 tok |
| jam4fox99/market-map Evidence-backed government market analysis prototype with reproducible discovery and isola | 0 | Codex, OpenCode | 1 | 182 tok |
| aterx-hobby/effective-potato a runner mcp workspace | 0 | GitHub Copilot | 1 | 1,661 tok |
| architect-34/triage-mcp Local-first GitHub issue-triage MCP server: ingest → embed → evaluate → serve grounded ret | 0 | Claude Code | 1 | 1,927 tok |
| Austinnui/vinance-recipes-skills ShipSwift for React/Next.js - 31 production-ready component recipes via MCP | 0 | Claude Code | 1 | 627 tok |
| kars0311/quantforge AI-driven, polyglot quant research pipeline — Python backtest engine, R analytics, MCP-dri | 0 | Claude Code, Codex, OpenCode | 2 | 1,185 tok |
| EdonZo/brain Brain — outcome-grounded memory for AI agents (Claude Code via MCP) | 0 | Claude Code | 1 | 2,897 tok |
| baronedog1/visualGeneratorMCP | 0 | Codex, OpenCode | 1 | 1,487 tok |
| joheiss/cloudflare-remote-mcp-server-with-oauth Cloudflare based MCP Server with OAuth | 0 | Codex, OpenCode | 1 | 293 tok |
| jialinhome/page-fetcher-mcp | 0 | Claude Code | 1 | 662 tok |
| luw2007/skim-mcp MCP Server for Skim - Intelligent code compression for LLM context optimization | 0 | Claude Code | 1 | 1,519 tok |
| lihongwen/pgvector-mcp-server | 0 | Claude Code, Cursor | 8 | 4,785 tok |