Building agents

6,003 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
Arthur-Ficial/apfel apfel.franzai.com The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat 6,349 Claude Code, Codex, OpenCode 3 7,080 tok
ThinkInAIXYZ/deepchat deepchat.thinkinai.xyz 🐬DeepChat - A smart assistant that connects powerful AI to your personal world 6,308 Claude Code, Codex, OpenCode 7 453 tok
apify/apify-mcp-server mcp.apify.com The Apify MCP server enables your AI agents to extract data from social media, search engi 6,193 Claude Code, Codex, OpenCode 6 2,350 tok
builderz-labs/mission-control mc.builderz.dev Self-hosted control plane for AI agents: dispatch tasks, review runs, track spend, and ope 6,186 Claude Code 1 891 tok
netease-youdao/LobsterAI lobsterai.youdao.com Open-source, desktop-grade AI agent that gets real work done — data analysis, slides, docs 5,985 Claude Code, Codex, OpenCode 2 4,889 tok
FlorianBruniaux/claude-code-ultimate-guide cc.bruniaux.com The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, q 5,909 Claude Code, Codex, GitHub Copilot, OpenCode 10 5,911 tok
ModelEngine-Group/nexent modelengine-group.github.io Nexent is a zero-code platform for auto-generating production-grade AI agents using Harnes 5,853 Claude Code, Codex, OpenCode 4 1,369 tok
deusyu/harness-engineering A Harness Engineering study guide — an in-depth learning record from understanding the con 5,820 Claude Code, Codex, OpenCode 2 1,815 tok
vercel-labs/open-agents open-agents.dev An open source template for building cloud agents. 5,805 Claude Code, Codex, OpenCode 2 1,253 tok
Q00/ouroboros ouroboros.page Agent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, stage 5,789 Claude Code, Codex, OpenCode 5 4,047 tok
generalaction/emdash emdash.com Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding 5,618 Claude Code, Codex, OpenCode 3 5,648 tok
oomol-lab/open-connector oomol.com Open-source auth gateway connecting 1400+ SaaS providers to AI agents through SDK, CLI, MC 5,578 Claude Code, Codex, OpenCode 3 3,687 tok
zenml-io/zenml zenml.io ZenML 🙏: One AI Platform from Pipelines to Agents. https://zenml.io. 5,577 Claude Code, Codex, OpenCode 10 6,271 tok
cloudflare/vibesdk build.cloudflare.dev An open-source vibe coding platform that helps you build your own vibe-coding platform, bu 5,347 Claude Code, Codex, OpenCode 2 3,048 tok
truefoundry/trueforge trueforge.dev The open-source agent harness - the runtime layer that turns an LLM into a working agent. 5,276 Claude Code, Codex, OpenCode 2 1,264 tok
tech-leads-club/agent-skills agent-skills.techleads.club The secure, validated skill registry for professional AI coding agents. Extend Antigravity 5,141 Claude Code, Codex, OpenCode 2 1,573 tok
harbor-framework/harbor harborframework.com Framework for evaluating and improving agents 4,998 Claude Code, Codex, OpenCode 2 4,100 tok
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
formkit/formkit formkit.com The form framework for coding agents 4,757 Claude Code 2 927 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
makenotion/notion-mcp-server Official Notion MCP Server 4,622 Claude Code 1 580 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
vijaythecoder/awesome-claude-agents x.com An orchestrated sub agent dev team powered by claude code 4,386 Claude Code 1 2,015 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
disler/claude-code-hooks-mastery Master Claude Code Hooks 3,912 Claude Code 40
matt1398/claude-devtools claude-dev.tools The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, suba 3,909 Claude Code 12 1,595 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
ailyProject/aily-blockly aily.pro AI IDE for hardware development, support Arduino, MicroPython, ESP32, STM32, RP2040, Nrf5x 3,811 Claude Code, Codex 3
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
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
strukto-ai/mirage strukto.ai The World's First Virtual Terminal for AI Agents 3,612 Claude Code, Codex, OpenCode 2 15,771 tok