Building agents

6,003 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 Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
jarrodwatts/claude-delegator Delegate tasks to Codex and Gemini directly from within Claude Code. 996 Claude Code 1 1,042 tok
jezweb/claude-skills jezweb.com.au Skills for Claude Code CLI such as full stack dev Cloudflare, React, Tailwind v4, and AI i 995 Claude Code 3 2,569 tok
AlmanacCode/codealmanac codealmanac.com A codebase wiki for AI coding agents. Captures what the code can't say: decisions, flows, 994 Claude Code, Codex, OpenCode 5 3,548 tok
Azure-Samples/AI-Gateway aka.ms Labs to explore AI Models, MCP servers, and Agents with the AI Gateway powered by Azure AP 983 Claude Code, Codex, OpenCode 8 1,322 tok
anthropics/launch-your-agent Claude Code skills that take a founder from idea to a live Claude Managed Agent: interview 983 Claude Code 3 2,191 tok
agent-sh/agentsys agent-sh.github.io AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for 982 Claude Code, Codex, Kiro, OpenCode 31 3,475 tok
iamfakeguru/agent-md Production-grade agent directives for autonomous coding agents: Claude Code, Codex, Cursor 966 Claude Code, Codex 7 2,314 tok
Human-Agent-Society/CORAL coral.compounding-intelligence.ai Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, a 959 Claude Code, Codex, OpenCode 6 6,180 tok
russelleNVy/three-man-team A structured 3-agent AI dev team — Architect, Builder, Reviewer. Built from production use 948 Claude Code 1 326 tok
MeisnerDan/mission-control Open-source task management for the agentic era. The command center for solo entrepreneurs 943 Claude Code 2 5,281 tok
toonight/get-shit-done-for-antigravity 942 Claude Code, Codex 17
opentabs-dev/opentabs opentabs.dev Browser automation clicks buttons. OpenTabs calls APIs. 933 Claude Code, Codex, OpenCode 5 13,599 tok
JuliusBrussee/caveman-code caveman.so Frozen — terminal coding agent measured at 1.93× fewer tokens than Codex CLI. Still works; 932 Claude Code, Codex, OpenCode 2 3,776 tok
bear2u/my-skills My collection of frequently used Claude skills. 922 Claude Code 10
voicetreelab/voicetree voicetree.io The spatial IDE for recursive multi-agent orchestration. It's like an Obsidian graph-view 920 Claude Code, Codex, OpenCode 3 2,232 tok
SethGammon/Citadel sethgammon.github.io The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent rout 918 Claude Code, Codex, OpenCode 2 1,579 tok
milisp/codexia milisp.dev Lightweight Agent Workstation for Codex CLI + Claude Code — with task scheduler, git workt 914 Claude Code, Codex, OpenCode 2 659 tok
snowdreamtech/frp Docker Images for Frp. 908 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 22 2,343 tok
thedaviddias/llms-txt-hub llmstxthub.com 🤖 The largest directory for AI-ready documentation and tools implementing the proposed ll 902 Claude Code, Codex, Cursor, OpenCode 3 1,307 tok
friuns2/codex-mobile friuns2.github.io 🚀 Run Codex Mobile Anywhere: Linux, Windows, or Termux on Android 🚀 897 Claude Code, Codex, OpenCode 5 2,689 tok
awslabs/agent-plugins Agent Plugins for AWS equip AI coding agents with the skills to help you architect, deploy 890 Claude Code, Codex, GitHub Copilot, OpenCode 5 3,014 tok
alibaba/skill-up alibaba.github.io An evaluation and evolution tool for Agent Skills. 862 Claude Code, Codex, OpenCode 2 2,416 tok
kunchenguid/backpass You don't write AGENTS.md. You train it with gradient descent. 861 Claude Code, Codex, OpenCode 2 6,577 tok
alirezarezvani/claude-code-skill-factory medium.com Claude Code Skill Factory — A powerful open-source toolkit for building and deploying prod 859 Claude Code 1 2,306 tok
freshtechbro/claudedesignskills A comprehensive collection of Claude Code skills for modern web development, specializing 850 Claude Code 1 7,820 tok
getsentry/sentry-mcp mcp.sentry.dev An MCP server for interacting with Sentry via LLMs. 844 Claude Code, Codex, Cursor, OpenCode 24 1,276 tok
GetStream/stream-chat-react getstream.io React Chat SDK ➜ Stream Chat 💬 842 Claude Code, Codex, Cursor, OpenCode 13 6,673 tok
golf-mcp/golf golf.dev Production-Ready MCP Server Framework • Build, deploy & scale secure AI agent infrastructu 839 Claude Code 1 1,415 tok
jrswab/axe docs.getaxe.dev A lightweight cli for running single-purpose AI agents. Define focused agents in TOML, tri 838 Claude Code, Codex, OpenCode 2 3,130 tok
langchain-ai/deep-agents-from-scratch 836 Claude Code 1 909 tok
lucky-aeon/AgentX AgentX aims to let beginners build their own Agents through natural language with no barri 836 Claude Code, Codex, OpenCode 9 9,184 tok
xlang-ai/OpenCUA opencua.xlang.ai [NeurIPS 2025 Spotlight] OpenCUA: Open Foundations for Computer-Use Agents 833 Claude Code 1 1,409 tok
opendev-to/opendev Open-Source Coding Agent in the terminal 832 Claude Code, Codex, OpenCode 2 2,436 tok
zengwenliang416/ppt-agent 831 Claude Code 2 1,134 tok
AltanS/collie colliepwa.dev PWA to manage 🐑 herdr on the go. Tailnet accessible, push notifications, quick actions an 830 Claude Code, Codex, OpenCode 4 10,132 tok
utensils/mcp-nixos mcp-nixos.io MCP-NixOS - Model Context Protocol Server for NixOS resources 825 Claude Code, Codex, GitHub Copilot, OpenCode 9 4,315 tok
warpdotdev/oz-skills 823 Claude Code, Codex, OpenCode 16 908 tok
heurist-network/heurist-agent-framework agent.heurist.ai A flexible multi-interface AI agent framework for building agents with reasoning, tool use 823 Claude Code, Codex, OpenCode 2 1,544 tok
tfriedel/claude-office-skills Office document creation and editing skills for Claude Code - PPTX, DOCX, XLSX, and PDF wo 822 Claude Code 1 2,673 tok
tolibear/goalbuddy goalbuddy.dev A better /goal for Codex and Claude Code 818 Claude Code, Codex, OpenCode 1 628 tok
H-mmer/pentest-agents Bug bounty agent framework for Claude Code, Codex, Gemini, Cursor, Windsurf, Copilot, and 817 Claude Code, Codex, GitHub Copilot, OpenCode 17 63,845 tok
obie/claude-on-rails A development framework for Ruby on Rails developers using Claude Code, inspired by SuperC 814 Claude Code 1 725 tok
AgentWorkforce/relay agentrelay.com Real time communication for agents. Wake on message, channels, DMs and actions. Useful for 813 Claude Code, Codex, Gemini CLI, OpenCode 4 2,090 tok
disler/super-simple-software-factory youtu.be Repeatable agents-plus-code workflows, packaged as one skill, stamped into any repo. Deter 809 Claude Code 1
ruvnet/agentic-flow ruv.io Easily switch between alternative low-cost AI models in Claude Code/Agent SDK. For those c 801 Claude Code 12 1,672 tok
PaulJPhilp/EffectPatterns effect-patterns.vercel.app A community-driven knowledge base of practical patterns for Effect-TS. 796 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 7 7,115 tok
sirkirby/unifi-mcp unifimcp.com MCP servers for the UniFi suite of applications, Network, Protect, Access, and Drive 792 Claude Code, Codex, GitHub Copilot, OpenCode 17 5,363 tok
regent-vcs/re_gent re-gent.dev Version-Control for AI coding agents. 791 Claude Code, Codex, OpenCode 10 7,100 tok
vshulcz/deja-vu vshulcz.github.io One memory shared by Claude Code, Codex, Cursor, Copilot CLI, OpenClaw and 18 more coding 784 Claude Code, Gemini CLI 2 236 tok
Bennettxai/FounderOS-DEMO thefounderos.com An open-source, single-operator business command center: run a one-person operated company 784 Claude Code, Codex, OpenCode 2 2,682 tok