Building agents

8,442 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
openonion/connectonion docs.connectonion.com CLI is all you need. The agent CLI harness. 1,507 Claude Code, Codex, OpenCode 2 11,358 tok
microsoft/waza microsoft.github.io CLI / Framework for Agent Skills - create, test, measure and improve skill quality and eff 1,500 Claude Code, Codex, GitHub Copilot, OpenCode 24 9,437 tok
agentlas-ai/Agentlas-OS agentlas.cloud Desktop AI agent that hires a specialist for each task, works in your real apps for weeks, 1,498 Claude Code, Codex, Gemini CLI, OpenCode 71 6,744 tok
inkeep/agents docs.inkeep.com Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For s 1,489 Claude Code, Codex, OpenCode 2 9,417 tok
modelcontextprotocol/kotlin-sdk modelcontextprotocol.github.io The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in coll 1,485 Claude Code, Codex, OpenCode 4 868 tok
preset-io/agor agor.live Multiplayer AI: Bring your team and agents together 1,484 Claude Code, Codex, OpenCode 3 1,580 tok
vellum-ai/vellum-assistant vellum.ai An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets 1,477 Claude Code, Codex, Cursor, OpenCode 17 9,874 tok
win4r/ClawTeam-OpenClaw youtu.be ClawTeam fork fully adapted for OpenClaw — multi-agent swarm coordination with OpenClaw as 1,471 Claude Code, Codex 3 3,463 tok
kunchenguid/backpass You don't write AGENTS.md. You train it with gradient descent. 1,471 Claude Code, Codex, OpenCode 2 1,936 tok
agent-network-protocol/AgentNetworkProtocol agent-network-protocol.com AgentNetworkProtocol(ANP) is an open source protocol for agent communication. Our vision i 1,468 Codex, Gemini CLI, OpenCode 2 1,213 tok
Nearcyan/vibecraft It's Vibecraft! 1,458 Claude Code 1 8,299 tok
ryanstephen/lil-agents tiny AI companions that live on your macOS dock 1,450 Claude Code 1 482 tok
RinDig/Interpretable-Context-Methodology Folder structure as agent architecture. ICM replaces framework-level orchestration with f 1,441 Claude Code 1 439 tok
mbailey/voicemode voicemode.dev Natural voice conversations with Claude Code 1,439 Claude Code, Codex, OpenCode 12 2,496 tok
agentplugins/agent-plugins-spec agent-plugins.org Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions int 1,428 Codex, OpenCode 1 868 tok
yohey-w/multi-agent-shogun Samurai-inspired multi-agent system for Claude Code. Orchestrate parallel AI tasks via tmu 1,422 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 17 15,149 tok
paradigmxyz/centaur centaur.run Centaur is frontier, agentic infrastructure that you own. Centaur is like Claude Tag, but 1,422 Claude Code, Codex, OpenCode 14 1,919 tok
alibaba/skill-up alibaba.github.io An evaluation and evolution tool for Agent Skills. 1,420 Claude Code, Codex, OpenCode 2 2,493 tok
thetahealth/mirobody mirobody.ai Mirror your body in data. One standard, every source, one complete picture of you: a self- 1,408 Codex, OpenCode 1 2,136 tok
Team-Commonly/commonly commonly.me One pod for your team and the agents each of you runs: your own Claude Code, or a hosted a 1,389 Claude Code, Codex, OpenCode 2 8,057 tok
LilMGenius/paperthin paperthin.ai Low-level agentic design patterns. Turning old engineering wisdom into reflexes your agent 1,375 Claude Code, Codex, OpenCode 2 3,409 tok
infinispan/infinispan infinispan.org Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store 1,359 Codex, GitHub Copilot, OpenCode 2 509 tok
sceneview/sceneview sceneview.github.io 3D & AR SDK for Android (Jetpack Compose + Filament), Apple (SwiftUI + RealityKit), Web, F 1,358 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 6,073 tok
first-fluke/oh-my-agent firstfluke.com Agent skills and specialist teams for Claude Code, Codex, Cursor and other coding agents. 1,357 Claude Code, Codex, OpenCode 1 1,065 tok
getsentry/sentry-java docs.sentry.io A Sentry SDK for Java, Android and other JVM languages. 1,357 Claude Code, Codex, OpenCode 6 3,183 tok
moazbuilds/claudeclaw A lightweight, open-source OpenClaw version built into your Claude Code. 1,330 Claude Code 1 1,184 tok
LiteLLM-Labs/litellm-agent-control-plane docs.litellm-agent-platform.ai 1 place to call all your agents - OpenCode, Hermes, Claude Managed Agents, Cursor Agents A 1,327 Codex, OpenCode 1 339 tok
NVIDIA-NeMo/Gym docs.nvidia.com Evaluate and improve models and agents using environments 1,320 Claude Code, Codex, OpenCode 17 5,156 tok
fancyboi999/ai-engineering-from-scratch-zh aieng-zh.cn The most comprehensive learning path for Agent engineers · Master AI engineering from scra 1,317 Claude Code, Codex, OpenCode 18 2,739 tok
steipete/claude-code-mcp Claude Code as one-shot MCP server to have an agent in your agent. 1,315 Claude Code, GitHub Copilot 2 7 tok
awdr74100/figwright Free, two-way Figma MCP server. Turn designs into framework-aware code, and push code back 1,312 Claude Code, Codex, OpenCode 6 6,155 tok
huiliyi37/Tianshu-harness tianshuharness.com Tianshu (天枢) is a terminal programming Agent runtime based on harness engineering (Tui X G 1,304 Claude Code, Codex, OpenCode 2 7,224 tok
sentient-agi/EvoSkill EvoSkill — An open-source framework that automatically discovers and synthesizes reusable 1,285 Claude Code 2 —
Auriti-Labs/geo-optimizer-skill geoready.dev GEO Optimizer, the open-source engine behind GeoReady (geoready.dev): audit whether ChatGP 1,280 Claude Code, Codex, OpenCode 11 2,230 tok
laude-institute/headlong headlong.ai An open source agent microharness featuring persistent agency and recursive LLMs. Of bash, 1,272 Claude Code, Codex, OpenCode 2 1,521 tok
hoangnb24/repository-harness Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other codi 1,264 Claude Code, Codex, OpenCode 7 298 tok
freshtechbro/claudedesignskills A comprehensive collection of Claude Code skills for modern web development, specializing 1,257 Claude Code 1 7,820 tok
chunxiaoxx/nautilus-compass compass.nautilus.social Open memory & reliability layer for AI agents + independent judging/verification (NACRE ju 1,256 Claude Code, Codex, OpenCode 3 2,108 tok
daaain/claude-code-log daaain.github.io A Python CLI tool that converts Claude Code transcript JSONL files into readable HTML / Ma 1,255 Claude Code 6 1,407 tok
mozilla-ai/any-agent docs.mozilla.ai A single interface to use and evaluate different agent frameworks 1,255 Claude Code, Codex, OpenCode 2 2,165 tok
modu-ai/moai-adk adk.mo.ai.kr Agentic development harness for Claude Code — SPEC-driven plan/run/sync, TRUST 5 quality g 1,252 Claude Code, Codex, OpenCode 22 5,225 tok
reticlehq/reticle app.reticle.sh AI agents can generate code, but still struggle to understand what they build. Reticle bri 1,247 Claude Code, Codex, OpenCode 2 2,684 tok
modelcontextprotocol/quickstart-resources A repository of servers and clients from the Model Context Protocol tutorials 1,233 Codex, OpenCode 1 816 tok
GoogleChrome/modern-web-guidance-src goo.gle 1,226 Claude Code, Codex, OpenCode 14 487 tok
adamlyttleapps/claude-skill-app-onboarding-questionnaire A Claude Code skill that designs and builds high-converting questionnaire-style app onboa 1,225 Claude Code 1 730 tok
dartsim/dart dart.readthedocs.io DART: Dynamic Animation and Robotics Toolkit 1,223 Claude Code, Codex, OpenCode 3 1,799 tok
asheshgoplani/agent-deck discord.gg Terminal session manager for AI coding agents. One TUI for Claude, Gemini, OpenCode, Codex 1,215 Claude Code, Codex, OpenCode 2 2,878 tok
strands-agents/agent-sop aws.amazon.com Natural language workflows that enable AI agents to perform complex, multi-step tasks with 1,214 Codex, OpenCode 1 2,087 tok
TIGER-AI-Lab/ClawBench claw-bench.com Open-source benchmark for browser AI agents on daily tasks. 1,210 Codex, OpenCode 1 1,826 tok
BankrBot/skills skills.bankr.bot Bankr Skills equip builders with plug-and-play tools to build more powerful agents. 1,209 Claude Code 2 68 tok