4,826 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.
All projects Claude Code6,601Data and AI3,691Backend and APIs3,489Languages3,402Planning3,208Git and workflow3,142Code review2,734Memory and context2,361Testing2,349DevOps and cloud2,296Research2,292Writing and docs2,291
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| gaia-research/gaia-skill-tree gaiaskilltree.com Gaia is a living, open registry of every AI agent skill — structured as a leveling skill g | 19 | Claude Code, Codex, OpenCode | 7 | 10,432 tok |
| a-tokyo/aiworkspace 🧑💻 Set up and manage AI agent skills and configs for Cursor, Claude Code, Codex and mor | 19 | Claude Code, Codex, OpenCode | 6 | 391 tok |
| fiveonecode/agent-skills Curated list of skills our agents use | 19 | Codex, OpenCode | 1 | 236 tok |
| jh941213/codex-lattice Codex Lattice: installable Codex skills, hooks, custom agents, MCP search, and docs-first | 19 | Codex, OpenCode | 1 | 3,523 tok |
| nevir/agentfill agentfill.dev A "polyfill" that standardizes and centralizes AGENTS.md configuration and Agent Skills su | 19 | Claude Code, Codex, OpenCode | 6 | 676 tok |
| bonnguyenitc/antigravity-superpowers npmjs.com Superpowers for Google Antigravity — composable skills, smart workflows, and always-on rul | 19 | Claude Code, Codex | 24 | — |
| ydeng11/rulesify Skill management tool for AI agents - discover and install pre-built workflows from Anthro | 19 | Codex, OpenCode | 1 | 4,210 tok |
| bjesuiter/opencode-acp-skill A skill developed for clawdbot to control opencode via ACP (Agents Communication Protocol) | 19 | Codex, OpenCode | 1 | 1,768 tok |
| dpmadsen/multimodels-mcp MCP server that lets Claude Code delegate tasks to GPT-5.6 (Codex CLI), DeepSeek, GLM, Ope | 19 | Claude Code, Codex, OpenCode | 2 | 2,571 tok |
| devdacian/touchstone A lightweight, automated multi-model process for rapid agent-skill improvement with advers | 19 | Claude Code, Codex, OpenCode | 3 | 500 tok |
| DangQuangSE/team-development-skills | 19 | Claude Code, Codex, Cursor | 75 | — |
| wilgon456/Paseobility | 19 | Claude Code, Codex, OpenCode | 2 | 2,241 tok |
| paulyuk/snap-squad Warm-start addon for bradygaster/squad — pre-baked agent squads for hire for instant deplo | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,506 tok |
| SpillwaveSolutions/architect-agent architect-agent | 19 | Claude Code, Codex, OpenCode | 2 | 2,927 tok |
| stelee410/agent-mailer amp.linkyun.co AMP (Agent Mailer Protocol) is an async mailbox system for AI agents. Instead of chaining | 19 | Claude Code, Codex, OpenCode | 10 | 627 tok |
| topos-sh/topos topos.sh Behavior sharing for AI agents in teams — the topos CLI + self-hostable plane keep every a | 19 | Claude Code, Codex, OpenCode | 2 | 1,503 tok |
| dnlbox/ai-protocol Start with a concept, not a stack. A harness-agnostic protocol that scaffolds greenfield p | 19 | Codex, OpenCode | 1 | 1,370 tok |
| doublegate/CyberChef-MCP doublegate.github.io Model Context Protocol server for CyberChef — exposes GCHQ's "Cyber Swiss Army Knife" as A | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 15,270 tok |
| monkey2jack/aiduMEI aiduMEI⚕ Aidu Memory Engine Insight · General-purpose wisdom engine for agents — Excellent | 19 | Codex, OpenCode | 1 | 1,355 tok |
| chuancyzhang/deepseek-cowork DeepSeek Cowork is a Windows desktop agent workspace built around DeepSeek-style reasoning | 19 | Codex, OpenCode | 1 | 2,411 tok |
| snyk-labs/toxicskills-goof ToxicSkills - malicious agent skills in openclaw / clawhub / agent supply chain | 19 | Claude Code, Codex, Gemini CLI | 6 | — |
| eigent-ai/agent-skills eigent.ai Open-Source Cowork Agent Skills Collection | High Quality for Exceptional Productivity | 19 | Claude Code, Codex, OpenCode | 2 | 3,587 tok |
| zgbrenner/agentcounsel zgbrenner.github.io Open-source, AI-agnostic skills for legal teams. | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,839 tok |
| MarioZZJ/cc-notify-hooks mariozzj.github.io Agent response-waiting notification plugin (supports Claude Code, CodeX, DeepSeek Harness, | 19 | Claude Code, Codex, OpenCode | 2 | 2,577 tok |
| synthesisengineering/synthesis-skills Synthesis Skills — reusable AI agent skills built on the Agent Skills open standard. Insta | 19 | Claude Code, Codex, OpenCode | 2 | 1,314 tok |
| epicsagas/epic-harness epicsagas.github.io Multi-tool AI agent harness — 22 skills, self-evolving engine, unified memory, autonomous | 19 | Claude Code, Codex, OpenCode | 3 | 4,767 tok |
| aliasunder/vault-cortex npmjs.com Standalone MCP server for Obsidian vaults — hybrid search, structured memory, task managem | 19 | Claude Code, Codex, OpenCode | 2 | 20,145 tok |
| nikships/skills-registry skills-registry.dev Your personal GitHub registry for AI Agent Skills. One repo. EVERY agent. EVERY device. Lo | 19 | Claude Code, Codex, OpenCode | 2 | 659 tok |
| XZXZZX-Ai/bilibili-mcp Bilibili MCP tool A Bilibili MCP server | 19 | Claude Code, Codex, OpenCode | 14 | 1,197 tok |
| shikokuchuo/secretbase shikokuchuo.net secretbase - Cryptographic Hash Functions and Data Encoding | 19 | Codex, OpenCode | 1 | 951 tok |
| majiayu000/claude-skill-registry-data Raw skills archive data for the Claude skill registry | 19 | Claude Code, Codex, OpenCode | 2 | 599 tok |
| volcengine/volcengine-skills | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,712 tok |
| sam-agents/sam SAM - Autonomous TDD agent system for Claude Code, Cursor, Gemini CLI, GitHub Copilot, and | 18 | Claude Code, Codex, OpenCode | 10 | 2,782 tok |
| speakeasy-api/skills speakeasy.com Agent Skills for SDK generation and OpenAPI tooling with Speakeasy CLI | 18 | Claude Code, Codex, OpenCode | 2 | 3,754 tok |
| jfrog/agent-belt Reproducible evaluation for AI coding agents. Multi-turn scenarios against Claude Code, Co | 18 | Codex, OpenCode | 1 | 2,594 tok |
| DocRoms/Kronn Self-hosted control plane for AI coding agents (Claude Code, Codex, Gemini, Ollama). Shar | 18 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Windsurf | 7 | 1,616 tok |
| liqiongyu/agentpack crates.io A declarative, safe control plane for deploying coding-agent assets across tools. | 18 | Codex, OpenCode | 2 | 1,011 tok |
| atomantic/UEMCP Python Unreal Engine Plugin and Node.js MCP Server | 18 | Claude Code, Codex, OpenCode | 6 | 1,656 tok |
| Neeeophytee/ai-cost-cutter-skills flowstacks.xyz 10 skills that cut your AI bill with proof instead of vibes. MIT, works in Claude Code, Co | 18 | Claude Code, Codex, OpenCode | 2 | 1,328 tok |
| yanchuk/claude-plugin-codex Codex plugin that lets Codex consult local Claude Code for advice, reviews, adversarial ch | 18 | Claude Code, Codex, OpenCode | 2 | 540 tok |
| paladini/mcp-me mcp-me.page Your AI assistants don't know who you are. mcp-me fixes that: a local MCP server that give | 18 | Codex, GitHub Copilot, OpenCode | 2 | 1,577 tok |
| zakelfassi/skills-driven-development zakelfassi.github.io Agents that learn by doing — and remember how they did it. A methodology for AI agents to | 18 | Claude Code, Codex | 1 | 500 tok |
| kriasoft/mcp-client-gen medium.com Turn any MCP server into a type-safe TypeScript SDK in seconds - with OAuth 2.1 and mul | 18 | Claude Code, Codex, OpenCode | 2 | 1,540 tok |
| evepupil/CloudMind An open-source, user-owned AI memory layer running in your personal Cloudflare account. | 18 | Claude Code, Codex, OpenCode | 2 | 9,868 tok |
| chwoerz/reporelay chwoerz.github.io A self-hosted code context engine for MCP. | 18 | Claude Code, Codex, OpenCode | 2 | 2,403 tok |
| beyond5959/acp-adapter Bridging Codex , Claude Code and Pi to Agent Client Protocol (ACP) with Go. | 18 | Claude Code, Codex, OpenCode | 2 | 2,572 tok |
| nexus-substrate/nexus-agents nexus-substrate.github.io Governance substrate for your AI coding agents — adversarial review, drift-detected rules, | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 29,595 tok |
| AgentConnect/awiki-agent-id-message Provide a skill that offers identity, public profile, and end-to-end messaging services fo | 18 | Claude Code, Codex, OpenCode | 2 | 5,848 tok |
| bonginkan/fairy_tale fairytale.run Fable/Mythos-informed workflow augmentation for agent skills and plugins | 18 | Claude Code, Codex, OpenCode | 6 | 366 tok |
| romiluz13/pi-agent-skills | 18 | Codex, OpenCode | 1 | 584 tok |