31,977 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| spruikco/fat-agent-skill FAT Agent (Fix, Audit, Test) — a Claude Skill that automates post-launch website QA. Audit | 38 | Claude Code | 1 | 736 tok |
| heffrey78/lifecycle-mcp MCP server for managing project lifecycles | 38 | Claude Code | 2 | 2,559 tok |
| adrian-d-hidalgo/nestjs-mcp-server | 38 | Claude Code | 16 | 1,245 tok |
| TrueCrimeDev/ahk-mcp AutoHotkey v2 MCP Server with prompts, code completion, and diagnostics | 38 | Claude Code, Codex, OpenCode | 16 | 1,639 tok |
| galaxyproject/galaxy-mcp | 38 | Claude Code | 1 | — |
| dguido/google-workspace-mcp npmjs.com MCP server for Google Drive, Docs, Sheets, Slides, Calendar, Gmail, and Contacts | 38 | Claude Code | 1 | 1,704 tok |
| theafh/ai-modules A collection of professional AI skills, packaged as Claude and Codex plugins and deployabl | 38 | Claude Code, Codex, OpenCode | 2 | 5,050 tok |
| padmarajnidagundi/Playwright-AI-Agent-POM-MCP-Server Playwright AI Agent POM MCP ServerPlaywright AI Agent using Page Object Model (POM) archit | 38 | Claude Code, Codex, GitHub Copilot | 10 | 1,344 tok |
| trip2g/trip2g trip2g.com Open-source MCP knowledge mesh - self-host your second brain, expose it to AI agents, fede | 38 | Claude Code, Codex, OpenCode | 2 | 3,217 tok |
| MonadWorks/agentify Agent Interface Compiler — One command. Every agent speaks your product. Transform OpenAPI | 38 | Claude Code, Codex, OpenCode | 2 | 2,479 tok |
| ahundt/ai-session-search Ultra-fast rust-powered AI agent session search and analysis. Search millions of messages | 38 | Claude Code, Codex, OpenCode | 3 | 1,343 tok |
| LeanOS-Technologies/strategy-os leanos.tech The validation layer for solo founders. Research, strategy, and validation on Claude Code | 38 | Claude Code | 16 | 988 tok |
| dweekly/quicken-mac-mcp dweekly.github.io MCP server providing read-only access to Quicken For Mac financial data via Claude | 38 | Claude Code | 1 | 343 tok |
| stephanj/LSP4J-MCP A Java MCP (Model Context Protocol) server that wraps JDTLS (Eclipse JDT Language Server) | 38 | Claude Code, Codex, OpenCode | 2 | 549 tok |
| CopilotKit/skills AI agent skills for CopilotKit — setup, develop, integrate, debug, upgrade, and contribute | 38 | Claude Code, Codex, OpenCode | 2 | 356 tok |
| gabelul/slopbuster Strips the AI tells out of prose, code, and academic writing. 152 patterns from real AI-vs | 38 | Claude Code | 1 | 779 tok |
| decriptor/AvaloniaUI.MCP decriptor.github.io MCP server for AvaloniaUI | 38 | Claude Code | 1 | 1,146 tok |
| kkollsga/kglite Embedded Cypher knowledge graph for Python and Rust. Bundled MCP server, describe() schema | 38 | Claude Code | 1 | 13,278 tok |
| DanWahlin/github-azure-agentic-journeys aka.ms Idea → Prototype → Reality: Agentic journeys to help you build and deploy applications to | 38 | Claude Code, Codex, OpenCode | 10 | 2,944 tok |
| inceptyon-labs/TARS TARS is a centralized hub for discovering, creating, editing, and managing Claude Code res | 38 | Claude Code, Codex, OpenCode | 11 | 552 tok |
| webdriverio/mcp npmjs.com A Model Context Protocol (MCP) server that enables AI assistants to interact with web brow | 38 | Claude Code | 1 | 3,125 tok |
| zero8dotdev/smriti Shared memory for AI-powered engineering teams. Captures, indexes, and recalls conversatio | 38 | Claude Code, Codex | 2 | 2,832 tok |
| skyllc-ai/UltraFastFileSearch Ultra-fast file search for Windows using NTFS MFT | 38 | Claude Code | 3 | 2,058 tok |
| kocakli/Trello-Desktop-MCP trello.mcplab.tr Trello integration for Claude Desktop via Model Context Protocol (MCP) - 19 tools for comp | 38 | Claude Code | 1 | 893 tok |
| coleam00/evolution-of-ai-agents Three working examples showing how AI agent development evolved - from traditional RAG to | 38 | Claude Code | 1 | — |
| eternnoir/aistudio-mcp-server Google AI Studio MCP Server - Powerful Gemini API integration for Model Context Protocol w | 38 | Claude Code | 1 | 1,064 tok |
| plausibleventures/lattice lattice.plausible.ventures Isometric games made easy — an agentic game kit. 12 agent skills over 9 zero-dependency Ty | 38 | Claude Code, Codex, OpenCode | 2 | 3,158 tok |
| juliusz-cwiakalski/agentic-delivery-os ADOS Turn AI into a repeatable, auditable SDLC: ticket → spec → plan → PR → quality gates | 38 | Claude Code, Codex, OpenCode | 2 | 4,267 tok |
| crewplaneai/crewplane Run reviewable, resumable coding-agent workflows across Claude Code, Codex, Gemini, GitHub | 38 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 1,839 tok |
| itallstartedwithaidea/agent-skills googleadsagent.ai The definitive open-source agent skills library for AI-powered Google Ads management. 73+ | 38 | Claude Code, Codex, OpenCode | 2 | 572 tok |
| LaGrowthMachine/gtm-system lagrowthmachine.com Open-source Claude skills and an MCP server for Sales and GTM teams: build Sales Navigator | 38 | Claude Code | 1 | 2,395 tok |
| dejuknow/md-redline Inline review comments for markdown specs. Built-in MCP server hands feedback directly to | 38 | Claude Code, Codex, OpenCode | 2 | 29,483 tok |
| dleerdefi/claude-code-construction Claude Code skills for construction professionals. | 38 | Claude Code | 1 | 456 tok |
| strausmann/mcp-dockhand MCP Server for Dockhand Docker Management - exposes 130+ API endpoints as MCP tools | 38 | Claude Code, GitHub Copilot | 4 | 2,565 tok |
| mordor-forge/study-skill Claude Code skill for interactive learning with FSRS-6 spaced repetition, research agents, | 38 | Claude Code, Codex, OpenCode | 2 | 644 tok |
| slash9494/ai-config-sync-manager Bidirectional sync for Claude Code and Codex — instructions, skills, agents, MCP servers, | 38 | Claude Code, Codex, OpenCode | 2 | 761 tok |
| glazperle/kimai_mcp A comprehensive Model Context Protocol (MCP) server for Kimai time-tracking integration. P | 38 | Claude Code | 1 | 9,346 tok |
| pragprogrammer/mcp-ynab budget-lens-vert.vercel.app | 38 | Claude Code | 1 | 683 tok |
| anthony-chaudhary/fak anthony-chaudhary.github.io Agentic Runtime | 38 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 80 | 15,389 tok |
| sandraschi/windows-computer-use-mcp Windows Computer Use for AI Agents. Both a tool (22 MCP tools for click, type, screenshot, | 38 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,328 tok |
| IntelligentElectron/universal-netlist Give AI agents the power to read Cadence, Altium, and KiCad designs | 38 | Claude Code, Codex, OpenCode | 4 | 2,589 tok |
| seiichi3141/kokkai_giji_mcp | 38 | Claude Code | 1 | 1,486 tok |
| NatLabRockies/openstudio-mcp | 38 | Claude Code, Codex, OpenCode | 19 | 2,866 tok |
| AbdullahHameedKhan/karpathy-ponytail-skills Karpathy's LLM coding guidelines merged with Ponytail's laziness ladder, think before codi | 38 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| wangbinquan/agent-workflow | 38 | Claude Code, Codex, OpenCode | 2 | 10,499 tok |
| ratacat/pro-cli Agent native CLI for querying ChatGPT Pro and Deep Research through your own logged-in web | 38 | Claude Code, Codex, OpenCode | 2 | 515 tok |
| itsthisjustin/sd-plugins | 38 | Claude Code | 1 | — |
| monorailcss/MonorailCss.Framework monorailcss.github.io | 38 | Claude Code | 4 | 1,386 tok |
| Randroids-Dojo/PlayGodot Playwright for Godot game engine. A Godot plugin for headless test automation. | 38 | Claude Code, Codex, OpenCode | 4 | 690 tok |
| Franlinozz/Sluice sluiceflow.vercel.app Sluice is a toll booth for the AI-read web. Creators price the smallest unit of what they | 37 | Claude Code | 1 | 7,178 tok |