Building agents

4,301 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
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
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
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
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
hashicorp/agent-skills A collection of Agent skills and Claude Code plugins for HashiCorp products. 864 Codex, OpenCode 1 446 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
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
suleimanodetoro/skills Agent skills for interface design, React, React Native, and software security. 842 Codex, OpenCode 1 505 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
TheGreenCedar/codex-autoresearch A codex plugin for running optimization loops inside a codebase. It is useful when you hav 836 Codex, OpenCode 1 2,034 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
opendev-to/opendev Open-Source Coding Agent in the terminal 832 Claude Code, Codex, OpenCode 2 2,436 tok
vercel-labs/ralph-loop-agent ai-sdk.dev Continuous Autonomy for the AI SDK 830 Codex, OpenCode 1 532 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
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
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
featurevisor/featurevisor featurevisor.com Feature flags, experiments, and remote config management with version control 806 Codex, OpenCode 1 666 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
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
bhauman/clojure-mcp Clojure MCP 775 Claude Code, Codex, OpenCode 4 858 tok
getomnico/omni getomni.co The open-source, self-hosted AI agent for your company. Works across workplace tools to fi 772 Codex, OpenCode 1 2,052 tok
yurineko73/Godot-MCP-Native An MCP plugin for the open-source Godot engine, supporting common Godot engine operations. 764 Codex, Cursor, OpenCode 2 3,847 tok
carlrannaberg/claudekit A toolkit of custom commands, hooks, and utilities for Claude Code 760 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 11 6,905 tok
MigoXLab/dingo dingo.openxlab.org.cn Dingo: A Comprehensive AI Data, Model and Application Quality Evaluation Tool 754 Claude Code, Codex, OpenCode 2 3,364 tok
desplega-ai/agent-swarm agent-swarm.dev Your Company Agentic Operating System 749 Claude Code, Codex, OpenCode 4 8,272 tok
liquidos-ai/AutoAgents liquidos-ai.github.io A multi-agent framework written in Rust that enables you to build, deploy, and coordinate 747 Claude Code, Codex, OpenCode 2 885 tok
grapeot/context-infrastructure A context and memory system for AI coding agents. Persistent memory, personal rules, skill 747 Codex, OpenCode 1 1,190 tok
RizRiyz/luvus luvus.dev Mission control for your AI agents 740 Codex, OpenCode 1 5,067 tok
chujianyun/skills WuMing's Claude Skills 732 Claude Code, Codex, OpenCode 2 1,222 tok
homeassistant-ai/skills Home Assistant skills for agents 730 Claude Code, Codex, OpenCode 3 1,948 tok
agno-agi/scout agno.com Open Source Company Brain 724 Claude Code, Codex, OpenCode 2 3,935 tok
dongshuyan/compass-skills COMPASS: Personal Alignment Skills OS for AI Agents 724 Codex, OpenCode 1 913 tok
Snowflake-Labs/cocoplus cocoplus.dev CocoPlus is an Agentic Operating System for Snowflake Coco. It brings structured, multi-ag 720 Claude Code, Codex, OpenCode 1 2,470 tok
liveloveapp/hashbrown hashbrown.dev Hashbrown is a framework for building agents that run the browser. Built for Angular and R 720 Codex, GitHub Copilot, OpenCode 4 2,462 tok
borghei/Claude-Skills borghei.github.io 368 AI skills, 76 expert agents, and 859 stdlib Python tools for every team: engineering, 717 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 8 9,493 tok