32,008 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717
All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| DevSkillsIT/Skills-MCP-Hudu MCP Server for Hudu Documentation Platform - 31+ tools for IT documentation management | 3 | Claude Code | 1 | 3,944 tok |
| itallstartedwithaidea/google-ads-mcp Claude can now actually touch your Google Ads account — not just talk about it in theory. | 3 | Claude Code | 1 | 1,591 tok |
| KenosInc/dwf-mcp-server An MCP server that provides LLM-driven control of the Digilent Analog Discovery 3 via the | 3 | Claude Code | 1 | 1,606 tok |
| calintzy/evmscope EVM blockchain intelligence toolkit for AI agents — 23 MCP tools across 7 chains (Ethereum | 3 | Claude Code | 1 | 219 tok |
| jordanburke/ssh-client-mcp-server MCP server exposing SSH control for Linux servers via Model Context Protocol. | 3 | Claude Code | 1 | 1,373 tok |
| gregario/astronomy-oracle Celestial object catalog and observing session planner MCP server | 3 | Claude Code | 1 | 250 tok |
| jmcentire/signet-eval Claude Code policy enforcement hook — deterministic authorization for AI agent tool calls | 3 | Claude Code | 1 | 1,659 tok |
| craigjmidwinter/mail-muncher craigjmidwinter.github.io An email client for AI agents. Filtered, read-only Gmail delivered to disk as .eml + markd | 3 | Claude Code, Codex, OpenCode | 2 | 1,325 tok |
| benedya/octoquery Let AI agents query your databases safely: each DB becomes an MCP tool, each schema a skil | 3 | Claude Code, Codex, OpenCode | 5 | 671 tok |
| nikitacometa/mnemon-memory-mcp aisatisfy.me Persistent layered memory MCP server for AI agents — SQLite + FTS5 + vector hybrid search | 3 | Claude Code | 1 | 2,115 tok |
| cprice70/amazonads-mcp MCP server for Amazon Ads API - 9 tools for campaign management | 3 | Claude Code | 1 | 720 tok |
| mclaut/ariadne mclaut.github.io Local-first multilingual memory for Codex, Claude Code & MCP — auditable Qdrant recall, pr | 3 | Claude Code, Codex, OpenCode | 2 | 2,105 tok |
| LionelHuanSi/awesome-ai-agent-skills | 3 | Claude Code, Codex | 8 | — |
| agent-frontier/wgm Agent Skill — turn a rough request into working software (grill → plan → Ralph loop) | 3 | Claude Code, Codex, OpenCode | 13 | 314 tok |
| christopherlhammer11-ai/tool-use-guardian christopherhammer.dev Reliability wrapper for AI tool calls with retries, timeouts, JSON repair, and failure met | 3 | Claude Code | 1 | — |
| catalyst-cooperative/agent-skills Coding agent skills designed to help users work with PUDL data and the PUDL data processin | 3 | Claude Code, Codex, OpenCode | 2 | 3,628 tok |
| codyde/mcp-firecrawl-tool | 3 | Claude Code | 1 | 236 tok |
| UnboundCompute/lachesis unboundcompute.com Compiler-precise code property graph for C, Python, and TypeScript, navigable over MCP — d | 3 | Claude Code | 1 | — |
| nklisch/krometrail krometrail.dev Local browser control and temporal visual evidence for AI agents — an MCP server that driv | 3 | Claude Code, Codex, OpenCode | 4 | 12 tok |
| christopherlhammer11-ai/recallmax christopherhammer.dev Long-term memory compression for AI agents that need useful context beyond one session | 3 | Claude Code | 1 | — |
| dotneet/claude-code-marketplace | 3 | Claude Code | 1 | 494 tok |
| wbopan/things-mcp MCP server for Things 3 (AppleScript-based, macOS) | 3 | Claude Code | 1 | 1,387 tok |
| proggarapsody/bitbottle Go CLI for Bitbucket Cloud and Self-hosted Bitbucket Server | 3 | Claude Code, Codex, OpenCode | 3 | 1,997 tok |
| wavewand/wand wavewand.io WaveWand MCP Platform | 3 | Claude Code | 1 | 5,131 tok |
| AlekseiMarchenko/central-intelligence Persistent memory for AI agents. Agents forget. CI remembers. | 3 | Claude Code | 1 | 379 tok |
| wolfiesch/flightfinder Python client for searching flights (Kiwi/Skypicker) and hotels (Xotelo). MCP server for A | 3 | Claude Code | 1 | 455 tok |
| hteek/serverless-mcp serverless-mcp.net Serverless MCP Server on AWS Lambda | 3 | Claude Code | 1 | 1,481 tok |
| VickyHan924/Self-media-Script | 3 | Claude Code | 2 | — |
| aniruddha-adhikary/gahmen-mcp MCP for Publicly available datasets of the Government of Singapore [Unofficial] | 3 | Claude Code | 1 | 990 tok |
| vltansky/explain-changes-mcp | 3 | Claude Code, Codex, OpenCode | 2 | 699 tok |
| paulieb89/uk-due-diligence-mcp bouch.dev UK due diligence MCP server — Companies House, corporate research, compliance checks | 3 | Claude Code | 8 | 1,047 tok |
| masa-san-jp/Agent-Aiko A project for running, developing, and switching Aiko personas with agents such as Codex a | 3 | Claude Code | 5 | 1,538 tok |
| airmcp-com/mcp-standards Self-learning AI standards system - learns from corrections and auto-updates CLAUDE.md | 3 | Claude Code | 6 | 4,653 tok |
| spideynolove/memory | 3 | Claude Code | 10 | — |
| dhannusch/smart-web-crawler-mcp A Model Context Protocol (MCP) server built on Cloudflare Workers that provides intelligen | 3 | Claude Code | 1 | 961 tok |
| andrewkriley/cloudflare-dns-cloudflared-mcp Self-Hosted MCP server for admin of Cloudflare DNS and tunnel apps | 3 | Claude Code | 1 | 1,263 tok |
| nkyy/claude-code-notify-mcp MCP server for sending notifications from Claude Code with customizable sounds | 3 | Claude Code | 1 | 4,684 tok |
| adamkwhite/universal-memory-mcp Universal AI conversation memory system — supports Claude, ChatGPT, Cursor, and custom for | 3 | Claude Code | 1 | 13,068 tok |
| tanis2010/yuque-mcp-server Yuque MCP Server - An MCP server for Yuque, providing tools for integration with the Yuque | 3 | Claude Code | 1 | 987 tok |
| Quinncuatro/jane-mcp-server Jane is a Model Context Protocol (MCP) server that provides a knowledge management system | 3 | Claude Code | 1 | 1,202 tok |
| bharathgnana/archdiagram Turn an architecture spec into editable diagrams with official vendor service icons (Azure | 3 | Claude Code, Codex, OpenCode | 2 | 1,287 tok |
| puran-water/water-chemistry-mcp Consolidated into PuranOS — see github.com/puran-water/puranos-public | 3 | Claude Code | 1 | 5,898 tok |
| anhnguyen0905/codex-mcp | 3 | Claude Code, Codex, OpenCode | 3 | 850 tok |
| tenequm/llms-txt-mcp Lean MCP server for fast llms.txt documentation access | 3 | Claude Code | 1 | 447 tok |
| ljy9303/maplestory-mcp-server Nexon openAPI Maplestory mcp server | 3 | Claude Code, Codex, OpenCode | 2 | 6,508 tok |
| clay-good/roughlogic.com roughlogic.com Always free field math and reference for the trades. | 3 | Claude Code, Codex, OpenCode | 2 | 1,304 tok |
| benoitvx/dvf-mcp-app MCP App affichant les prix immobiliers parisiens par arrondissement (source DVF) | 3 | Claude Code | 1 | 4,772 tok |
| MCLifeLeader/seq-mcp Seq Open Telemetry MCP Server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 9,462 tok |
| Grinv/mal-mcp npmjs.com MyAnimeList MCP server — Tenrai-powered reads plus official MAL personal-list management. | 3 | Claude Code, Codex, OpenCode | 10 | 3,382 tok |
| MrRefactoring/atlassian-dc-mcp MCP servers connecting Claude and other AI assistants to self-hosted Atlassian Jira, Confl | 3 | Claude Code | 1 | 2,256 tok |