43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| cacack/mcp-server-vyos MCP server wrapping VyOS API | 5 | Claude Code | 1 | 697 tok |
| Dilane-Kamga/brvm-mcp-server | 5 | Claude Code | 1 | 1,227 tok |
| leogallego/ansible-know-mcp know.ansible.ar Ansible Knowledge MCP Server - module discovery, documentation search, and skill generatio | 5 | Claude Code | 1 | 2,228 tok |
| crabsmadethis/d2r-horadric-tools Offline Diablo II: Resurrected toolkit for save editing, character creation, creating your | 5 | Claude Code, Codex, OpenCode | 2 | 1,908 tok |
| ramm/fantastical-cli Fantastical CLI and MCP | 5 | Codex, OpenCode | 1 | 3,895 tok |
| mp-consulting/homebridge-mcp-server | 5 | Claude Code | 1 | 715 tok |
| crude-code/mcp-app Crude Code — MCP server & spec-driven inline renderer for oil & gas data analytics | 5 | Claude Code | 1 | 11,320 tok |
| howdeploy/remorafish Agent-first Web2API and MCP provider framework for authorized LLM web sessions | 5 | Codex, OpenCode | 1 | 795 tok |
| AndekQR/fitatu-mcp-unofficial Unofficial Model Context Protocol server for Fitatu, with tools for food search and meal p | 5 | Codex, OpenCode | 1 | 2,465 tok |
| weselow/Yandex-webmaster-mcp-server MCP server for the Yandex Webmaster API v4 — provides 46 tools for managing sites, sitemap | 5 | Claude Code, Codex, OpenCode | 21 | 2,632 tok |
| gelse/caldav-mcp An MCP server that bridges AI assistants to CalDAV calendars. 14 tools for listing, creati | 5 | Codex, OpenCode | 1 | 1,577 tok |
| b77ai/nightscout b77.ai An MCP (Model Context Protocol) server that connects AI assistants to Nightscout — the ope | 5 | Claude Code | 1 | 1,504 tok |
| NeshanMaps/Neshan-MCP | 5 | Claude Code | 1 | 1,006 tok |
| kanren3/windbg-mcp WinDbg (cdb/kd) as an MCP server — concurrent multi-session debugging of crash dumps, live | 5 | Codex, OpenCode | 1 | 2,033 tok |
| MarshallBear1/touchbridge-mcp Local-first MCP control, testing, and design capture for iOS | 5 | Claude Code | 1 | 443 tok |
| ADIKANT/datalens-dev-mcp Local stdio MCP server for safe AI-assisted Yandex DataLens dashboard development. | 5 | Codex, OpenCode | 1 | 630 tok |
| godlewis/zendao-mcp ZenTao MCP Server | 5 | Claude Code, Codex, OpenCode | 5 | 286 tok |
| Asunainlove/OfficeReader-MCP OfficeReader-MCP used by AI agent | 5 | Claude Code | 1 | — |
| peterparker57/WSLSnapit-MCP Advanced screenshot capture and clipboard reading MCP server for Windows applications from | 5 | Claude Code | 1 | 701 tok |
| GabrielBBaldez/Notify-Hub gabrielbbaldez.github.io One API. Every channel. Unified notification library for Java and Spring Boot. | 5 | Claude Code, Codex, OpenCode | 2 | 5,475 tok |
| GeiserX/telegram-archive-mcp MCP Server for Telegram-Archive — search messages, browse chats, and access archived Teleg | 5 | Claude Code | 1 | 238 tok |
| aa-on-ai/agentic-design-system agentic-design-system.vercel.app Design governance for coding agents: intent, context, rendered evidence, review, and revis | 5 | Claude Code, Codex, OpenCode | 2 | 744 tok |
| aahlijia/dekko pypi.org Static code map generator (MAP.md + map.json) powered by tree-sitter — a Claude Code /map | 5 | Claude Code | 1 | 1,613 tok |
| Khamel83/argus pypi.org Multi-provider web search broker for AI agents. 14 providers, budget-aware routing, conten | 5 | Claude Code, Codex, OpenCode | 2 | 3,321 tok |
| atomchung/long-run-hybrid-coach paceandstaystrong.com Adaptive running and strength coaching for the long run — a hosted MCP server and Agent Sk | 5 | Claude Code, Codex, OpenCode | 2 | 5,660 tok |
| botzrDev/dreamd dreamd.dev Portable, local-first memory layer for AI coding agents. One .agent/ folder shared across | 5 | Claude Code, Codex, OpenCode | 2 | 20,137 tok |
| malkreide/fedlex-mcp MCP server for Swiss federal law (Fedlex) — search the SR, monitor legal changes, and quer | 5 | Claude Code | 3 | 6,943 tok |
| ddmanyes/second-brain-mcp A self-maintaining personal knowledge database — powered by MCP, DuckDB, and biological me | 5 | Claude Code, Codex, OpenCode | 2 | 7,375 tok |
| musharna/plant-genomics-mcp musharna.github.io Plant genomics MCP server — 50 tools across 23 backends (Ensembl Plants, Phytozome, UniPro | 5 | Claude Code | 1 | 745 tok |
| kitepon/aiterm-mcp npmjs.com One persistent MCP terminal your AI drives — and launches other coding agents (Codex/Grok/ | 5 | Claude Code, Codex, OpenCode | 2 | 2,501 tok |
| zelentsov-dev/apple-ads-mcp Local-first MCP server for Apple Ads Platform API v1 with typed, receipt-gated campaign op | 5 | Claude Code, Codex, OpenCode | 2 | 499 tok |
| k-vaca/prompt-engineering-skill Research-grounded Agent Skill for writing professional LLM prompts — matches technique to | 5 | Codex, OpenCode | 1 | 158 tok |
| tentenco/shuorenhua-zh-tw tenten.co Traditional Chinese (Taiwan) AI humanizer skill: remove AI-like phrasing, eliminate Mainla | 5 | Claude Code, Codex, OpenCode | 2 | 567 tok |
| shwetank/bettersense bettersense.ai 50+ Claude skills and 20+ agents for AI PMs, engineering managers, and senior ICs. Think m | 5 | Claude Code | 1 | 1,397 tok |
| SFETNI/Scientific-Writing-Skills-Claude-Code-Codex Human-in-the-loop quality-control framework for AI-assisted scientific manuscript preparat | 5 | Claude Code | 1 | 1,131 tok |
| imMamdouhaboammar/get-fable get-fable.vercel.app Make the model you already use work more like a frontier model with better planning, persi | 5 | Claude Code, Codex, OpenCode | 3 | 8,317 tok |
| jrgilbertson/the-rookery A cross-tool field guide to how I build with AI agents, with practical workflows and porta | 5 | Claude Code, Codex, OpenCode | 2 | 478 tok |
| skills-lock/skil-lock Pin AI Skill behavior. Block unapproved drift in CI. See exactly what changed in every PR. | 5 | Claude Code | 1 | — |
| autoworks-ai/autovault autovault.dev Local-first vault for agent skills with MCP, validation, signing, and remote HTTP access | 5 | Claude Code, Codex, OpenCode | 2 | 3,398 tok |
| Monkopedia/rouse-context rousecontext.com On-demand Model Context Protocol (MCP) server for Android — FCM push-woken, end-to-end enc | 5 | Claude Code | 7 | — |
| dvcrn/mcp-server-tripit Expose the TripIt API as an MCP server for Claude and other MCP clients. | 5 | Codex, OpenCode | 1 | 576 tok |
| blackfoxxx/Mobix Authorized Android pentest lab, drivable by hand or by AI — Frida bypass chain, live traff | 5 | Claude Code | 1 | — |
| praveen-palanisamy/autodemo praveenp.com Demos as code — generate demo videos, interactive walkthroughs & marketing captures from y | 5 | Codex, Cursor, OpenCode | 2 | 513 tok |
| Eysn0130/DeepLaw DeepLaw 2.0: A local-first, single-user Agent Knowledge OS that combines autonomous long-t | 5 | Codex, OpenCode | 1 | 3,701 tok |
| feigeCode/navop-mcp Navop domain CLI, MCP stdio bridge, and Agent Skill | 5 | Codex, OpenCode | 1 | 158 tok |
| Rufus011/CMP-server_Pocket-option-2026 Async client + MCP server that lets AI assistants (Claude, GPT, Grok) trade on PocketOptio | 5 | Claude Code | 1 | 699 tok |
| HalidSaglam/saglitzdesign-mcp saglitz.com Expert design & marketing knowledge for AI agents — an MCP server for web, iOS, Android & | 5 | Claude Code | 1 | — |
| antonzherdev/mcp-web-inspector | 5 | Claude Code, Codex, OpenCode | 2 | 3,378 tok |
| badchars/fingerprint-mcp npmjs.com Universal digital fingerprinting MCP server — 103 techniques in 13 tools for TCP/TLS/SSH/H | 5 | Claude Code | 1 | 348 tok |
| berntpopp/genefoundry-router genefoundry.org MCP gateway federating 21 biomedical MCP servers — gnomAD, ClinVar, HPO, UniProt, Ensembl | 5 | Claude Code, Codex, OpenCode | 12 | 1,672 tok |