Building agents

4,715 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
kaitranntt/ccs ccs.kaitran.ca Switch between Claude accounts, Gemini, Copilot, OpenRouter (300+ models) via CLIProxyAPI 2,841 Claude Code, Codex, OpenCode 5 1,425 tok
teaql/teaql-agent-kit teaql.io A model-mediated harness for reliable agentic software development. 2,806 Codex, OpenCode 1 677 tok
Project-N-E-K-O/N.E.K.O store.steampowered.com A catgirl who lives with you in real time—reaching out first, sharing your media, and actu 2,774 Claude Code, Codex 19
ascending-llc/jarvis-registry jarvisregistry.com Connect any AI copilot or autonomous agent to your enterprise tools — through a single, se 2,773 Claude Code, Codex, GitHub Copilot, OpenCode 5 7,869 tok
ColeMurray/background-agents backgroundagents.dev An open-source background agents coding system 2,737 Claude Code, Codex, OpenCode 3 2,066 tok
compozy/compozy compozy.com An operating system for AI agents. Plug in the agent CLIs you already use (Claude Code, Co 2,726 Claude Code, Codex, OpenCode 4 1,695 tok
lopopolo/harness-engineering openai.com 🐎 Ryan Lopopolo’s anthology, field guide, and agent context bundle for harness engineerin 2,675 Claude Code, Codex, OpenCode 2 1,339 tok
wassim249/fastapi-langgraph-agent-production-ready-template A production-ready FastAPI template for building AI agent applications with LangGraph inte 2,639 Claude Code, Codex, OpenCode 2 1,960 tok
huggingface/tau twotimespi.dev A Python port of Pi’s minimalist coding agent. 2,629 Codex, OpenCode 1 678 tok
centminmod/my-claude-code-setup threads.com Shared starter template configuration and CLAUDE.md memory bank system for Claude Code 2,624 Claude Code, Codex, Gemini CLI, OpenCode 5 2,545 tok
plexe-ai/plexe plexe.ai ✨ Build a machine learning model from a prompt 2,618 Claude Code, Codex, OpenCode 2 1,434 tok
yaojingang/yao-meta-skill YAO = Yielding AI Outcomes. A rigorous engineering, evaluation, governance, and portabilit 2,599 Codex, OpenCode 1 3,710 tok
supabase/agent-skills supabase.com Agent Skills to help developers using AI agents with Supabase 2,581 Claude Code, Codex, OpenCode 2 1,633 tok
HarleyCoops/Math-To-Manim Create Epic Math and Physics Animations & Study Notes From Text and Images. 2,569 Claude Code, Codex, GitHub Copilot, OpenCode 6 12,381 tok
kayba-ai/agentic-context-engine kayba.ai 🧠 Make your agents learn from experience. Now available as a hosted solution at kayba.ai 2,564 Claude Code, Codex, OpenCode 19 2,759 tok
neilotoole/sq sq.io sq data wrangler 2,559 Claude Code, Codex, OpenCode 5 3,942 tok
openwebf/webf openwebf.com Bring JavaScript and Web Dev to Flutter 2,512 Claude Code, Codex, OpenCode 13 2,407 tok
snarktank/antfarm antfarm.cool Build your agent team in OpenClaw with one command. 2,499 Codex, OpenCode 1 582 tok
CarGuo/GSYGithubAPP juejin.im A comprehensive open-source React Native project with rich features, suitable for learning 2,491 Codex, OpenCode 1 1,542 tok
Piebald-AI/tweakcc Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters 2,484 Claude Code, Codex, OpenCode 3 883 tok
softaworks/agent-toolkit A curated collection of skills for AI coding agents. Skills are packaged instructions and 2,438 Claude Code, Codex, OpenCode 2 755 tok
RAIT-09/obsidian-agent-client rait-09.github.io Bring AI agents into Obsidian via Agent Client Protocol (ACP), such as Claude Code, Codex 2,394 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 7 5,299 tok
vercel/workflow workflow-sdk.dev Workflow SDK: Build durable, reliable, and observable apps and AI Agents in TypeScript 2,378 Claude Code, Codex, OpenCode 5 8,793 tok
FrancyJGLisboa/agent-skill-creator francyjglisboa.github.io Build tested agent skills and govern their lifecycle through a user-defined marketplace: e 2,378 Codex, OpenCode 1 285 tok
samanhappy/mcphub mcphub.app Self-hosted MCP gateway and management platform for connecting, managing, and operating MC 2,373 Claude Code, Codex, OpenCode 4 363 tok
numman-ali/cc-mirror Create multiple isolated Claude Code variants with custom providers (Z.ai, MiniMax, OpenRo 2,263 Claude Code, Codex, OpenCode 2 2,797 tok
codejunkie99/agentic-stack One brain, many harnesses. Portable .agent/ folder (memory + skills + protocols) that plug 2,253 Claude Code, Codex, Cursor 19
felinics/Memoh memoh.ai ✨ The open-source multi-agent platform. Every agent gets its own computer, desktop, networ 2,205 Claude Code, Codex, OpenCode 7 8,794 tok
MCPJam/inspector mcpjam.com Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and Cha 2,189 Codex, OpenCode 1 338 tok
experientiallabs/experiential experientiallabs.ai Experiential is the open source, zero markup gateway for BYOK, self-hosted and 1000+ marke 2,183 Claude Code, Codex, OpenCode 6 5,881 tok
QoderAI/better-harness qoderai.github.io An open-source Harness Engineering platform for coding agents—define harnesses as code, ru 2,168 Claude Code, Codex, OpenCode 5 2,535 tok
Dicklesworthstone/mcp_agent_mail Asynchronous coordination layer for AI coding agents: identities, inboxes, searchable thre 2,131 Claude Code, Codex, OpenCode 5 7,444 tok
stacklok/toolhive stacklok.com ToolHive is an enterprise-grade platform for running and managing Model Context Protocol ( 2,075 Claude Code, Codex, OpenCode 28 1,434 tok
4thfever/cultivation-world-simulator An open-source Cultivation World Simulator using Agentic Workflow to create a dynamic, eme 2,067 Claude Code, Codex, Cursor, OpenCode 19 7,601 tok
eugene1g/agent-safehouse agent-safehouse.dev Sandbox your local AI agents so they can read/write only what they need 2,050 Claude Code, Codex, OpenCode 3 1,353 tok
elie222/rakazo rakazo.com Open-source Grok Bot alternative. Choose your own model and sandbox. 2,047 Claude Code, Codex, OpenCode 3 1,052 tok
kunchenguid/axi axi.md Design principles for agent ergonomics. Higher accuracy with lower token cost than both MC 2,046 Claude Code, Codex, OpenCode 3 1,705 tok
YosemiteCrew/Yosemite-Crew yosemitecrew.com Open-source operating system for animal health 2,020 Claude Code, Codex, OpenCode 16 4,009 tok
Prism-Shadow/penguin-harness penguin.ooo 🐧 Harness for RSI. Let AI Build AI. Multi-Agent Auto-Dev Platform. Everything is Transpar 2,013 Claude Code, Codex 3
NVIDIA-NeMo/labs-OO-Agents NVIDIA Object Oriented Agents: the Pythonic way to build AI Agents. 1,994 Codex, OpenCode 1 2,863 tok
JurajNyiri/HomeAssistant-Tapo-Control Control for Tapo cameras as a Home Assistant component 1,992 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 5 1,126 tok
Open-Curiosity/gini-agent The agent that remembers and learns. 1,986 Claude Code, Codex, OpenCode 3 3,642 tok
BytePioneer-AI/codex-host Run Pi and Claude Code directly in Codex Desktop. 1,983 Claude Code, Codex, OpenCode 5 2,160 tok
LetsFG/LetsFG letsfg.co Agent-native flight & hotel search and booking — MCP server, CLI, and Python/JS SDKs. Hund 1,979 Claude Code, Codex, OpenCode 2 16,260 tok
microsoft/intelligent-terminal devblogs.microsoft.com A fork of Windows Terminal with native agent integration, right in your command line. 1,928 Claude Code, Codex, GitHub Copilot, OpenCode 16 30,097 tok
silvertakana/worldwideview worldwideview.dev 1,911 Claude Code, Codex, OpenCode 10 2,603 tok
tphakala/birdnet-go Self-hosted realtime soundscape analyser for birds, bats and other wildlife. Multi-model l 1,905 Claude Code, Codex, OpenCode 3 2,623 tok
NousResearch/hermes-paperclip-adapter Paperclip adapter for Hermes Agent — run Hermes as a managed employee in a Paperclip compa 1,861 Codex, OpenCode 1 403 tok
Azure/azure-sdk-for-go docs.microsoft.com This repository is for active development of the Azure SDK for Go. For consumers of the SD 1,853 Claude Code, Codex, GitHub Copilot, OpenCode 10 4,436 tok
NVIDIA-AI-Blueprints/video-search-and-summarization build.nvidia.com NVIDIA AI Blueprint for video search and summarization (VSS) is a GPU-accelerated referenc 1,846 Claude Code, Codex, OpenCode 2 1,296 tok