Building agents

7,412 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 Data and AI4,299Backend and APIs3,694Languages3,682Planning3,492Git and workflow3,285Code review2,942Memory and context2,581Research2,499Writing and docs2,458Testing2,454Frontend2,420DevOps and cloud2,410

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorKiroWindsurf

ProjectStarsConfiguresFilesAlways loaded
emcie-co/parlant parlant.io Build reliable customer-facing AI agents with Parlant: an interaction control harness opti 18,278 Claude Code 1 611 tok
gastownhall/gastown Gas Town - multi-agent workspace manager 17,938 Claude Code, Codex, Cursor, OpenCode 8 1,529 tok
browser-use/browser-harness browser-harness.com Browser Harness | Self-healing harness that enables LLMs to complete any task. 17,391 Claude Code, Codex, OpenCode 2 545 tok
microsoft/data-formulator data-formulator.ai 🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to conn 17,091 Claude Code, GitHub Copilot, Cursor 5 122 tok
udecode/plate platejs.org Rich-text editor with AI and shadcn/ui 16,554 Claude Code, Codex, OpenCode 3 3,032 tok
triggerdotdev/trigger.dev trigger.dev Trigger.dev – build and deploy fully‑managed AI agents and workflows 16,219 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 11 3,528 tok
HKUDS/OpenHarness "OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!" 15,647 Claude Code 2
GreyDGL/PentestGPT Automated Penetration Testing Agentic Framework Powered by Large Language Models 15,241 Claude Code, Codex 18 780 tok
yusufkaraaslan/Skill_Seekers skillseekersweb.com Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with a 14,923 Claude Code, Codex, OpenCode 2 8,858 tok
mindfold-ai/Trellis docs.trytrellis.app The best agent harness. 14,472 Claude Code, Codex, Cursor, OpenCode 41 2,163 tok
fathah/hermes-desktop hermesone.org Desktop Companion for Hermes Agent 14,145 Claude Code, Codex, OpenCode 9 2,500 tok
coleam00/context-engineering-intro Context engineering is the new vibe coding - it's the way to actually make AI coding assis 13,822 Claude Code 3 693 tok
microsoft/agent-framework aka.ms A framework for building, orchestrating and deploying AI agents and multi-agent workflows 13,350 Claude Code, Codex, GitHub Copilot 3 321 tok
The-Pocket/PocketFlow-Tutorial-Codebase-Knowledge code2tutorial.com Pocket Flow: Codebase to Tutorial 12,643 Cursor 1
Piebald-AI/claude-code-system-prompts All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts 12,585 Claude Code 1 362 tok
Orchestra-Research/AI-Research-SKILLs orchestra-research.com Comprehensive open-source library of AI research and engineering skills for any AI model. 12,345 Claude Code 1 3,596 tok
NangoHQ/nango nango.dev Build product integrations with AI. 11,738 Claude Code, Codex, OpenCode 12 609 tok
meshery/meshery meshery.io Meshery, the cloud native manager 11,704 Claude Code, Codex, GitHub Copilot, OpenCode 25 8,073 tok
Jeffallan/claude-skills 67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pa 11,336 Claude Code 1 2,588 tok
aden-hive/hive Multi-Agent Harness for Production AI 11,018 Claude Code, Codex, OpenCode 4 380 tok
Untrivial-ai/agent-orchestrator aoagents.dev Agent IDE that enables you to manage fleets of coding agents. It comes with an agentic orc 10,978 Claude Code, Codex, OpenCode 4 2,953 tok
numman-ali/openskills Universal skills loader for AI coding agents - npm i -g openskills 10,740 Claude Code, Codex, OpenCode 2 301 tok
langchain-ai/open-swe langchain.com An Open-Source Asynchronous Coding Agent 10,667 Claude Code, Codex, OpenCode 3 768 tok
VoltAgent/voltagent voltagent.dev AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework 10,555 Claude Code, Codex, OpenCode 2 340 tok
github/copilot-sdk Multi-platform SDK for integrating GitHub Copilot Agent into apps and services 10,460 Claude Code, Codex, GitHub Copilot 8 3,604 tok
diet103/claude-code-infrastructure-showcase Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents 10,016 Claude Code, Codex 23
GetBindu/Bindu docs.getbindu.com Bindu: The identity, communication, and payments layer for AI agents. 9,765 Claude Code, Codex, GitHub Copilot, OpenCode 9 7,026 tok
omnigent-ai/omnigent omnigent.ai Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, C 9,727 Claude Code, Codex, GitHub Copilot, OpenCode 12 1,770 tok
frankbria/ralph-claude-code Autonomous AI development loop for Claude Code with intelligent exit detection 9,622 Claude Code 1 9,464 tok
openclaw/clawhub clawhub.ai Skill + Plugin Registry for OpenClaw 9,393 Claude Code, Codex, OpenCode 2 1,748 tok
anthropics/claude-for-legal A suite of plugins for legal workflows 9,375 Claude Code 1 1,479 tok
jasontang-ai/Context-Engineering deepwiki.com "Context engineering is the delicate art and science of filling the context window with ju 9,240 Claude Code, Gemini CLI 19 9,479 tok
iflytek/astron-agent astron.ai Enterprise-grade, commercial-friendly agentic workflow platform for building next-generati 8,916 Claude Code, Codex, OpenCode 2 3,691 tok
companion-inc/feynman feynman.is 8,870 Claude Code, Codex, OpenCode 2 1,613 tok
anthropics/claude-code-action 8,800 Claude Code 11 840 tok
google/adk-go google.github.io An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticate 8,753 Claude Code, Codex, Gemini CLI, OpenCode 3 2,501 tok
NVIDIA/OpenShell docs.nvidia.com OpenShell is the safe, private runtime for autonomous AI agents. 8,517 Claude Code, Codex, OpenCode 22 4,796 tok
CoreBunch/Instatic instatic.com The open-source alternative to Webflow, Framer and WordPress. Agentic self-hosted visual C 8,455 Claude Code, Codex, OpenCode 5 8,760 tok
vudovn/ag-kit ag-kit.unikorn.vn 8,168 Claude Code 58 1,069 tok
withastro/flue flueframework.com The sandbox agent framework. 8,137 Codex, OpenCode 1 912 tok
nullclaw/nullclaw nullclaw.io Fastest, smallest, and fully autonomous AI assistant infrastructure written in Zig 8,066 Claude Code, Codex, OpenCode 2 6,570 tok
webiny/webiny-js webiny.com Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript 8,032 Claude Code, Codex, GitHub Copilot, OpenCode 11 1,432 tok
jnMetaCode/superpowers-zh sp.aiolaola.com 🦸 AI coding superpowers · Chinese-enhanced edition — superpowers (116k+ ⭐), fully transla 7,988 Claude Code, Codex, Gemini CLI, OpenCode 3 3,192 tok
Upsonic/Upsonic docs.upsonic.ai Build autonomous AI agents in Python. 7,948 Claude Code 2 2,950 tok
mattpocock/sandcastle Orchestrate sandboxed coding agents in TypeScript with sandcastle.run() 7,859 Claude Code, Codex, OpenCode 4 237 tok
NomaDamas/k-skill k-skill.nomadamas.org A collection of skills for Koreans — turn your Agent into a Korean 7,432 Claude Code, Codex, OpenCode 2 3,500 tok
rikkahub/rikkahub rikka-ai.com RikkaHub is an Android APP that supports for multiple LLM providers. 7,423 Claude Code, Codex, OpenCode 7 997 tok
enricoros/big-AGI big-agi.com AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. Inclu 7,111 Claude Code, Codex, OpenCode 2 2,707 tok
TraderAlice/OpenAlice openalice.ai Your one-person Wall Street. An AI trading agent covering equities, crypto, commodities, f 6,957 Claude Code, Codex, OpenCode 3 2,517 tok
open-multi-agent/open-multi-agent open-multi-agent.com TypeScript multi-agent framework that runs in your own environment: consequential actions 6,883 Claude Code, Codex, OpenCode 2 3,201 tok