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 |
|---|---|---|---|---|
| curie-eng/curie Open-source, self-hostable delivery platform for Claude Code style agents. Connect Slack t | 35 | Claude Code, Codex, OpenCode | 2 | 13,147 tok |
| Sagargupta16/claude-cost-optimizer sagargupta.online Save 30-60% on Claude Code costs -- proven strategies, real benchmarks, copy-paste configs | 35 | Claude Code | 4 | 766 tok |
| fltman/loop-engineer Claude Code skill + subagent for setting up guardrailed agentic loops (loop engineering): | 35 | Claude Code | 6 | — |
| shipshitdev/skills shipshit.dev Claude, Cursor, Codex skills and commands | 35 | Claude Code, Codex, OpenCode | 4 | 371 tok |
| kumaran-is/claude-code-onboarding 🤖 Team onboarding kit for Claude Code AI coding assistant. Pre-configured with agents, sk | 35 | Claude Code | 7 | — |
| liangdabiao/claudesdk-skill skillhub.cn An experimental project exploring the capabilities of the Claude Agent SDK. Through a Skil | 35 | Claude Code | 8 | — |
| 803/skills-supply Manage AI agent skills across Claude Code, Codex, OpenCode, and others using agents.toml | 35 | Claude Code, Codex, OpenCode | 3 | 2,409 tok |
| Webioinfo01/aweskill A CLI-first skill package manager that AI agents can operate themselves. | 35 | Claude Code, Codex, OpenCode | 2 | 314 tok |
| pumblus/okf-harness okf-harness.dev Agent-first local harness for OKF-compatible LLM Wikis. | 35 | Claude Code, Codex, OpenCode | 2 | 382 tok |
| specstoryai/agent-skills specstory.com SpecStory's official collection of agent skills. Summarize, organize and create with `.spe | 35 | Claude Code, Codex, OpenCode | 2 | 1,417 tok |
| nirholas/defi-agents sperax.click DeFi agent definitions JSON API + MCP - Production-ready agents for Web3, crypto trading, | 35 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 708 tok |
| aliyun/alibabacloud-hologres-mcp-server | 35 | Claude Code | 1 | 1,548 tok |
| backstabslash/goccc Fast, zero-dependency cost calculator and customizable statusline for Claude Code. Breakdo | 35 | Claude Code | 1 | 1,189 tok |
| dj931567261/app-test-control Control apps with AI for automated testing and bug fixing/reproduction | 35 | Claude Code | 4 | — |
| jlevy/speculate Extensive doc library and project structure for spec-driven agent coding | 35 | Claude Code | 4 | — |
| PsychQuant/che-ical-mcp macOS Calendar & Reminders MCP server (29 tools) — native Swift EventKit for Claude Deskto | 35 | Claude Code, Codex, OpenCode | 11 | 4,015 tok |
| saeed-vayghan/gemini-agent-skills A comprehensive collection of expert AI Agent Skills for Google Gemini, featuring a powerf | 35 | Claude Code, Gemini CLI | 130 | — |
| epicsagas/Velith epicsagas.github.io AI-native publishing system — build books like software. 6-phase pipeline from blank page | 35 | Claude Code, Codex, OpenCode | 2 | 2,720 tok |
| mikechao/metmuseum-mcp Met Museum MCP integration to discover the art collection at The Metropolitan Museum of Ar | 35 | Claude Code, Codex, OpenCode | 2 | 1,493 tok |
| web3dev1337/agent-workspace agent-workspace.ai All your projects in one workspace. Run multiple CLI agents in parallel across different r | 35 | Claude Code, Codex, OpenCode | 6 | 13,846 tok |
| JianhuiWei7/VideoWeaver VideoWeaver: Evaluating and Evolving Skills for Agentic Long Video Generation | 35 | Claude Code | 1 | — |
| jlokos/raybridge MCP server that bridges Raycast extensions to any MCP-compatible client | 35 | Claude Code | 1 | 285 tok |
| HIDORAKAI002/ai-workspace-archive A massive, self-updating local archive of AI tools — 11,000+ agent skills, 240+ MCP server | 35 | Claude Code, GitHub Copilot | 2 | 2,797 tok |
| airas-org/airas airas-org.github.io AIRAS - an open-source project for research automation | 35 | Claude Code, GitHub Copilot | 2 | 137 tok |
| elgorro/aiquila Connect Claude AI to your Nextcloud via the Model Context Protocol. Browse, search, and ma | 35 | Claude Code | 1 | 4,279 tok |
| Macawls/umami-mcp-server umami-mcp.macawls.dev A lean MCP Server for Umami analytics | 35 | Claude Code | 1 | 4 tok |
| sandsaber/Grimoire Local-first AI agents for your Obsidian vault. | 35 | Claude Code, Codex, OpenCode | 2 | 6,224 tok |
| vivy-yi/Greater-China-Legal Greater China Legal Agent Skills — A legal agent Skill system for Greater China, adapted f | 35 | Claude Code, Codex, OpenCode | 2 | 3,243 tok |
| lool-ventures/founder-skills founderskills.lool.vc AI agent skills for high-velocity startup founders | 35 | Claude Code | 1 | 39,916 tok |
| rsalmn/ExtremeRouter Enchant Version of 9Router. 304+ Providers (API-key, OAuth, free-tier, and 39 web-cookie p | 35 | Claude Code, Codex, OpenCode | 5 | 772 tok |
| neondatabase/postgres-skills | 35 | Claude Code, Codex, OpenCode | 2 | 1,105 tok |
| CasualOffice/sheets sheet.casualoffice.org Open-source self-hosted web spreadsheet with .xlsx round-trip and real-time co-editing — a | 35 | Claude Code | 1 | 2,694 tok |
| InsForge/insforge-mcp | 35 | Claude Code | 1 | 1,204 tok |
| tweakoz/orkid Orkid Media Engine (C++/Lua/Python3/Linux/MacOs/OpenXR/Vulkan) | 35 | Claude Code | 54 | 71 tok |
| indexedlabs/pydantic-ai-gepa GEPA extension for pydantic-ai | 35 | Claude Code, Codex, OpenCode | 12 | 636 tok |
| MichelKerkmeester/skilled-agent-harness_spec-driven-loops AI-assisted coding setup that helps you spend less time re-explaining context, and more ti | 35 | Claude Code, Codex, OpenCode | 10 | 10,652 tok |
| Apra-Labs/ApraPipes A pipeline framework for developing video and image processing application. Supports multi | 35 | Claude Code | 11 | 1,556 tok |
| tatargabor/set-core Autonomous multi-change orchestration for Claude Code — spec in, merged features out. Sent | 35 | Claude Code | 63 | 8,495 tok |
| xcota/pos Give Claude Code a persistent memory — it remembers you, your projects, and your decisions | 34 | Claude Code, Codex, OpenCode | 21 | 1,615 tok |
| inercia/mitto Control you AI coding agents on the go (from Mac, Web, Mobile Phone, etc) | 34 | Claude Code, Codex, OpenCode | 7 | 7,614 tok |
| TT-Wang/forge Turn Claude Code into a plan-execute-validate loop with parallel work, intelligent retry, | 34 | Claude Code | 1 | 434 tok |
| intelligentcode-ai/claude-code-vm vanillacore.net Deploy Claude Code and additional tools to a VM for remote development | 34 | Claude Code | 1 | 2,379 tok |
| alexandephilia/clov-ai Context Limiter & Output Vetter for context bloat. It is a highly specialized, structure-a | 34 | Claude Code | 1 | 6,171 tok |
| aleksander-dytko/ai-pm-workspace productpeak.substack.com A Claude Code workspace template for PMs, designers, and analysts. Clone, personalize in 3 | 34 | Claude Code | 3 | 3,474 tok |
| aligundogdu/symfony-hexagonal-skill Claude Code plugin that enforces hexagonal architecture (ports & adapters) in Symfony proj | 34 | Claude Code | 1 | 1,269 tok |
| Thunder-Compute/thunder-cli Official CLI of Thunder Compute | 34 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,086 tok |
| advanced-security/codeql-development-mcp-server LLM <-- MCP --> CodeQL( AST | CFG | CLI | LSP ) | 34 | Claude Code, Codex, GitHub Copilot | 22 | 7,391 tok |
| akiojin/unity-mcp-server [DEPRECATED] Unity MCP server — successor: akiojin/unity-cli | 34 | Claude Code, Codex, OpenCode | 18 | 14,401 tok |
| richardwooding/feed-mcp MCP Server for RSS, Atom, and JSON Feeds | 34 | Claude Code, GitHub Copilot | 4 | 2,099 tok |
| chongdashu/threejs-forest-census forestcensus.aioriented.dev A vibe coded 3D game inspired by the Mario Party mini game. Made with Codex CLI and Agent | 34 | Claude Code | 1 | — |