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
tfutils/tfenv Terraform version manager 4,967 Claude Code, Codex, GitHub Copilot, OpenCode 14 4,189 tok
kunchenguid/firstmate Talk to one agent. Ship with a crew. 4,888 Claude Code, Codex, OpenCode 26 15,765 tok
eastlondoner/vibe-tools Give Cursor Agent an AI Team and Advanced Skills 4,829 Claude Code, Codex, Cursor, OpenCode 3 9,579 tok
darrenhinde/OpenAgentsControl AI agent framework for plan-first development workflows with approval-based execution. Mul 4,826 Claude Code, OpenCode 6
thunderbird/thunderbolt thunderbolt.io AI You Control: Choose your models. Own your data. Eliminate vendor lock-in. 4,761 Claude Code, Codex, OpenCode 20 8,161 tok
Agenta-AI/agenta agenta.ai Agenta is a workspace where you and your team build agents and automations. 4,717 Claude Code, Codex, OpenCode 28 2,079 tok
amantus-ai/vibetunnel vt.sh Turn any browser into your terminal & command your agents on the go. 4,650 Claude Code, Codex, Gemini CLI, OpenCode 5 3,639 tok
JetBrains/koog docs.koog.ai Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and ent 4,559 Claude Code, Codex, Gemini CLI, OpenCode 5 1,919 tok
VRSEN/agency-swarm agency-swarm.ai Reliable Multi-Agent Orchestration Framework 4,553 Claude Code, Codex, OpenCode 8 1,142 tok
rivet-dev/agentos agentos-sdk.dev Give agents an operating system as a library. Runs in your existing backend – no sandboxes 4,543 Claude Code, Codex, OpenCode 9 4,061 tok
AlexAnys/awesome-openclaw-usecases-zh 🇨🇳 Complete collection of Chinese OpenClaw use cases | 50 real-world scenarios | Local a 4,438 Claude Code, Codex, OpenCode 2 3,872 tok
awslabs/aidlc-workflows awslabs.github.io AI-Driven Life Cycle (AI-DLC) adaptive workflow steering rules for AI coding agents 4,395 Claude Code, Codex, OpenCode 2 2,272 tok
mixedbread-ai/mgrep demo.mgrep.mixedbread.com A calm, CLI-native way to semantically grep everything, like code, images, pdfs and more. 4,391 Claude Code, Codex, OpenCode 7 1,917 tok
camunda/camunda camunda.com Process Orchestration Framework 4,270 Claude Code, Codex, GitHub Copilot, OpenCode 35 7,309 tok
nyldn/claude-octopus reddit.com Run multiple AI models against the same research, design, or coding task. Surface disagree 4,054 Claude Code, Codex, GitHub Copilot, OpenCode 6 7,327 tok
ai-boost/awesome-harness-engineering Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permis 4,034 Claude Code, Codex, OpenCode 2 342 tok
BenedictKing/ccx benedictking.github.io Claude / Codex / Gemini API Proxy - CCX 3,969 Claude Code, Codex, OpenCode 6 2,893 tok
kunchenguid/gnhf Before I go to bed, I tell my agents: good night, have fun 3,950 Claude Code, Codex, OpenCode 2 3,327 tok
cloudflare/kumo kumo-ui.com Cloudflare's component library for building modern web applications. 3,814 Claude Code, Codex, OpenCode 3 2,265 tok
mckinsey/vizro vizro.readthedocs.io Vizro is a low-code toolkit for building high-quality data visualization apps. 3,789 Claude Code, Codex, GitHub Copilot, OpenCode 3 832 tok
NVIDIA/Model-Optimizer nvidia.github.io A unified library of SOTA model optimization techniques like quantization, distillation, p 3,757 Claude Code, Codex, OpenCode 2 923 tok
kubernetes-sigs/agent-sandbox agent-sandbox.sigs.k8s.io agent-sandbox enables easy management of isolated, stateful, singleton workloads, ideal fo 3,750 Claude Code, Codex, GitHub Copilot, OpenCode 9 4,625 tok
yvgude/lean-ctx leanctx.com LeanCTX — Context Intelligence for AI systems. 3,728 Codex, GitHub Copilot, OpenCode 2 2,476 tok
memodb-io/Acontext acontext.io Agent Skills as a Memory Layer 3,685 Claude Code, Codex, OpenCode 2 2,448 tok
kagent-dev/kagent kagent.dev Cloud Native Agentic AI | Discord: https://bit.ly/kagentdiscord 3,664 Claude Code, Codex, OpenCode 4 2,745 tok
gotalab/cc-sdd Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD 3,654 Claude Code, Codex, OpenCode 2 1,613 tok
open-wa/wa-automate-nodejs openwa.dev 💬 🤖 The most reliable tool for chatbots with advanced features. Be sure to 🌟 this rep 3,652 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,053 tok
microsoft/mcp Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-p 3,646 Codex, GitHub Copilot, OpenCode 2 8,822 tok
strukto-ai/mirage strukto.ai The World's First Virtual Terminal for AI Agents 3,612 Claude Code, Codex, OpenCode 2 15,771 tok
TinyAGI/tinyagi office.tinyagicompany.com TinyAGI is the agent teams orchestrator for One Person Company. (fka TinyClaw) 3,611 Claude Code, Codex, OpenCode 10 1,262 tok
AvdLee/SwiftUI-Agent-Skill Add expert SwiftUI Best Practices guidance to your AI coding tool (Agent Skills open forma 3,498 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,427 tok
Intelligent-Internet/ii-agent ii.inc II-Agent: a new open-source framework to build and deploy intelligent agents 3,383 Claude Code, Codex, OpenCode 2 9,338 tok
conversejs/converse.js conversejs.org Web-based XMPP/Jabber chat written in JavaScript 3,292 Claude Code, Codex, OpenCode 2 4,659 tok
av/harbor discord.gg Stop configuring your AI stack. Start using it. One command brings a complete pre-wired LL 3,209 Claude Code, Codex, OpenCode 20 2,000 tok
Alpha-Dojo/DojoAgents DojoAgents: Full-Market AI Copilot for Personal Investment 3,129 Claude Code, Codex, OpenCode 1 3,457 tok
mikeyobrien/ralph-orchestrator An improved implementation of the Ralph Wiggum technique for autonomous AI agent orchestra 3,126 Claude Code, Codex, OpenCode 19 2,873 tok
duolahypercho/codex-router External-model router for Codex with guided Kimi OAuth/API, DeepSeek, safe migration, and 3,124 Claude Code, Codex, OpenCode 4 34,384 tok
stravu/crystal nimbalyst.com (Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git 3,116 Claude Code, Codex, OpenCode 2 7,093 tok
SynkraAI/aiox-core Synkra AIOS: AI-Orchestrated System for Full Stack Development - Core Framework v4.0 3,110 Claude Code, Codex, Gemini CLI, OpenCode 18 1,466 tok
microsoft/Generative-AI-for-beginners-dotnet aka.ms Five lessons, learn how to really apply AI to your .NET Applications 3,051 Claude Code, Codex, GitHub Copilot, OpenCode 24 6,616 tok
wquguru/harness-books harness-books.agentway.dev 📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: 2,939 Claude Code, Codex, OpenCode 3 913 tok
VRSEN/OpenSwarm Claude code for everything except coding 2,858 Claude Code, Codex, Cursor, OpenCode 12 2,918 tok
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
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