Building agents

6,707 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 Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
gastownhall/gastown Gas Town - multi-agent workspace manager 18,711 Claude Code, Codex, Cursor, OpenCode 8 1,529 tok
microsoft/data-formulator data-formulator.ai 🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to conn 17,666 Claude Code, GitHub Copilot, Cursor 5 122 tok
leon-ai/leon getleon.ai 🧠 Leon is your open-source personal assistant. 17,646 Claude Code, Codex, OpenCode 2 2,307 tok
dagster-io/dagster dagster.io An orchestration platform for the development, production, and observation of data assets. 16,373 Claude Code 15 1,210 tok
GreyDGL/PentestGPT Automated Penetration Testing Agentic Framework Powered by Large Language Models 16,287 Claude Code, Codex 18 780 tok
HKUDS/OpenHarness "OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!" 16,167 Claude Code 2 —
yusufkaraaslan/Skill_Seekers skillseekersweb.com Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with a 15,283 Claude Code, Codex, OpenCode 2 9,413 tok
mindfold-ai/Trellis docs.trytrellis.app The best agent harness. 15,098 Claude Code, Codex, Cursor, OpenCode 41 2,163 tok
experientiallabs/experiential experientiallabs.ai Experiential is the open source, zero markup gateway for BYOK, self-hosted and 1000+ marke 14,970 Claude Code, Codex, OpenCode 2 7,600 tok
apify/apify-mcp-server mcp.apify.com The Apify MCP server enables your AI agents to extract data from social media, search engi 14,943 Claude Code, Codex, OpenCode 6 2,628 tok
analysis-tools-dev/static-analysis analysis-tools.dev ⚙️ A curated list of static analysis (SAST) tools and linters for all programming language 14,874 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 5 515 tok
fathah/hermes-desktop hermesone.org Desktop Companion for Hermes Agent 14,536 Claude Code, Codex, OpenCode 9 2,500 tok
Orchestra-Research/AI-Research-SKILLs orchestra-research.com Comprehensive open-source library of AI research and engineering skills for any AI model. 14,297 Claude Code 1 3,596 tok
coleam00/context-engineering-intro Context engineering is the new vibe coding - it's the way to actually make AI coding assis 13,901 Claude Code 3 693 tok
OpenByteInc/QuantDinger ai.quantdinger.com Open-source AI Trading OS, agent trading, and vibe trading, with Jev System One integratio 13,551 Claude Code, Codex, OpenCode 2 776 tok
NangoHQ/nango nango.dev Connect your agents & product to 1,000 APIs. 13,130 Claude Code, Codex, OpenCode 13 681 tok
Piebald-AI/claude-code-system-prompts All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts 13,091 Claude Code 1 362 tok
laradock/laradock laradock.io Full PHP development environment for Docker. Run Laravel, Symfony, CodeIgniter, Phalcon, W 12,682 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf 6 584 tok
infracost/infracost infracost.io Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left! 12,610 Claude Code, Codex, OpenCode 2 501 tok
Jeffallan/claude-skills 67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pa 12,238 Claude Code 1 3,410 tok
meshery/meshery meshery.io Meshery, the cloud native manager 12,134 Claude Code, Codex, GitHub Copilot, OpenCode 27 8,494 tok
zubair-trabzada/geo-seo-claude skool.com GEO-first SEO skill for Claude Code. Comprehensive AI search optimization for any website 11,538 Claude Code 1 1,550 tok
omnigent-ai/omnigent omnigent.ai Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, C 11,240 Claude Code, Codex, GitHub Copilot, OpenCode 13 3,434 tok
aden-hive/hive Multi-Agent Harness for Production AI 11,140 Claude Code, Codex, OpenCode 2 507 tok
VoltAgent/voltagent voltagent.dev AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework 10,923 Claude Code, Codex, OpenCode 2 340 tok
numman-ali/openskills Universal skills loader for AI coding agents - npm i -g openskills 10,823 Claude Code, Codex, OpenCode 2 301 tok
zhu1090093659/dsh-web dsh-market.com DeepSeek Harness (DSH) Web Plugin Aggregation Ecosystem · Everything is a plugin, distribu 10,120 Claude Code, Codex, OpenCode 8 3,817 tok
companion-inc/feynman feynman.is The open source AI research agent. 10,049 Claude Code, Codex, OpenCode 2 1,613 tok
diet103/claude-code-infrastructure-showcase Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents 10,046 Claude Code, Codex 23 —
GetBindu/Bindu docs.getbindu.com Bindu: The identity, communication, and payments layer for AI agents. 10,006 Claude Code, Codex, GitHub Copilot, OpenCode 9 7,026 tok
anthropics/claude-for-legal A suite of plugins for legal workflows 9,907 Claude Code 1 1,479 tok
anthropics/claude-code-action 9,798 Claude Code 11 1,339 tok
frankbria/ralph-claude-code Autonomous AI development loop for Claude Code with intelligent exit detection 9,719 Claude Code 1 11,028 tok
pacifio/atlas tryatlas.cc Source control for agents. Use multiple coding agents, track their changes and query them 9,458 Claude Code, Codex, OpenCode 2 4,333 tok
jasontang-ai/Context-Engineering deepwiki.com "Context engineering is the delicate art and science of filling the context window with ju 9,274 Claude Code, Gemini CLI 19 9,479 tok
openstatusHQ/openstatus openstatus.dev Open-source status page, incident response and uptime monitoring 9,248 Claude Code, Codex, OpenCode 8 1,371 tok
CoreBunch/Instatic instatic.com The open-source alternative to Webflow, Framer and WordPress. Agentic self-hosted visual C 9,069 Claude Code, Codex, OpenCode 5 8,802 tok
strands-agents/harness-sdk strandsagents.com Build an agent harness and control it end-to-end. Open-source SDK for production AI agents 9,057 Claude Code, Codex, OpenCode 19 3,106 tok
google/adk-go google.github.io An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticate 8,943 Claude Code, Codex, Gemini CLI, OpenCode 3 5,560 tok
iflytek/astron-agent astron.ai Enterprise-grade, commercial-friendly agentic workflow platform for building next-generati 8,918 Claude Code, Codex, OpenCode 2 2,282 tok
mattpocock/sandcastle Orchestrate sandboxed coding agents in TypeScript with sandcastle.run() 8,876 Claude Code, Codex, OpenCode 5 1,290 tok
rikkahub/rikkahub rikka-ai.com RikkaHub is an Android APP that supports for multiple LLM providers. 8,666 Claude Code, Codex, OpenCode 7 1,646 tok
kunchenguid/firstmate Talk to one agent. Ship with a crew. 8,612 Claude Code, Codex, OpenCode 35 10,584 tok
WenyuChiou/awesome-agentic-ai-zh wenyuchiou.github.io A trilingual (Traditional Chinese / English / Simplified Chinese) learning roadmap for age 8,571 Claude Code 1 2,431 tok
jnMetaCode/superpowers-zh sp.aiolaola.com 🦸 AI coding superpowers · Chinese-enhanced edition — superpowers (116k+ ⭐), fully transla 8,484 Claude Code, Codex, Gemini CLI, OpenCode 3 3,321 tok
zenstory-ai/oh-story-claudecode zenstory.ai A web fiction/novel writing skill pack covering the full workflow for ranking analysis, te 8,335 Claude Code, Codex, OpenCode 2 1,292 tok
NomaDamas/k-skill k-skill.nomadamas.org A collection of skills for Koreans — turn your Agent into a Korean 8,275 Claude Code, Codex, OpenCode 2 3,918 tok
vudovn/ag-kit ag-kit.unikorn.vn 8,207 Claude Code 58 1,069 tok
nullclaw/nullclaw nullclaw.io Fastest, smallest, and fully autonomous AI assistant infrastructure written in Zig 8,201 Claude Code, Codex, OpenCode 2 6,570 tok
fonoster/fonoster fonoster.com The AI that answers the phone. 8,163 Claude Code, Codex, OpenCode 11 2,425 tok