Building agents

7,541 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 Code6,614Data and AI3,687Backend and APIs3,492Languages3,397Planning3,211Git and workflow3,159Code review2,735Memory and context2,362Testing2,357DevOps and cloud2,306Writing and docs2,299Research2,296

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
TaoELi/MaxwellLink maxwelllink.org A flexible framework for self-consistent EM-molecular simulations, powered by AI agent ski 10 Claude Code, Codex, Gemini CLI, OpenCode 3 755 tok
yorrick/agent-skills Claude Code plugins for automated development workflows — dev-loop, review automation, and 10 Claude Code, Codex, OpenCode 9 1,376 tok
whit3rabbit/clean-room-skill A skill for claude/codex to take source code and implement a clean-room of agents to gener 10 Claude Code, Codex, OpenCode 2 4,734 tok
sandsower/beislid Opinionated, agent-agnostic workflow skills. Hard gates, not suggestions. 10 Codex, OpenCode 1 149 tok
pasunboneleve/oiticica-style A century-old style manual, converted into a taxonomy of agentic writing skills. 10 Claude Code, Codex, OpenCode 5 800 tok
kesslerio/coding-agent-openclaw-skill Coding agent skill for Moltbot - orchestrates Codex, Claude Code, Gemini, Pi, and OpenCode 10 Claude Code, Codex, OpenCode 2 1,473 tok
st-VALVe/mcp-unity Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Cl 10 Claude Code, Codex, OpenCode 2 4,404 tok
hypen-code/mcp-code-execution MCE (MCP Code Execution) is a production-grade MCP server that transforms Swagger/OpenAPI 10 Codex, OpenCode 1 6,710 tok
missdeer/gemini-mcp-rs Gemini-MCP-rs is an MCP server that encapsulates Google's Gemini CLI tool into a standard 10 Claude Code, Codex, Gemini CLI, OpenCode 3 7,315 tok
xiaolai/eou-foundry Recursive governance for Executable Operating Units (EOUs). Faceted classification, genera 10 Claude Code, Codex, Gemini CLI, OpenCode 3 1,747 tok
creator-hian/claude-code-plugins 10 Claude Code 1 964 tok
QuangThai/vision-bridge-mcp 10 Codex, OpenCode 1 818 tok
jasnonaz/vibe-worldbuilding-mcp Vibe Worldbuilding 10 Claude Code 1 1,297 tok
eliavamar/mcp-of-mcps 10 Claude Code 1 335 tok
usurahi-project/usurahi School-anime-inspired multi-agent development workflow with tmux, MCP, and role-driven col 10 Claude Code 2 914 tok
miopea/swarm-legacy Swarm (legacy) — web dashboard + autopilot for AI coding agents. Superseded by miopea/swar 10 Claude Code 4 2,809 tok
timwukp/agent-skills-best-practice 35 portable agent skills (Agent Skills spec) for Kiro & Claude Code: Scrum DevSecOps roles 10 Claude Code, Kiro 4 1,744 tok
nuyoah-ai-works/open-nuyoah-skill Public, reusable Agent Skills: create exclusive white soft-block characters and generate a 10 Codex, OpenCode 1 536 tok
ponomr/thinking-toolkit 30 thinking models as one portable agent skill — Claude Code, Codex CLI, OpenClaw, and any 10 Codex, OpenCode 1 903 tok
e-t-y-b/etyb-skills etyb.ai ETYB — your AI engineering team as one open-source skill (/etyb). 14 specialists, 9 always 10 Claude Code, Codex, OpenCode 2 966 tok
redhuntlabs/wizard Build AI spells for what you do - a meta-builder that turns recurring tasks into reusable 10 Claude Code, Codex, Gemini CLI, OpenCode 3 1,340 tok
freibergergarcia/phone-a-friend CLI relay for Claude Code, Codex, and OpenCode. Delegate to Antigravity, Claude, Codex, Ge 10 Claude Code, Codex, OpenCode 2 11,982 tok
tosin2013/documcp documcp.dev DocuMCP is an intelligent Model Context Protocol (MCP) server that revolutionizes document 10 Claude Code, GitHub Copilot 6 1,894 tok
canoo/agent-nexus nexus.codelogiic.com Multi-model agentic orchestration framework — route tasks to cloud or local LLMs, manage p 10 Codex, OpenCode 1 90 tok
kevinkaylie/AgentNexus Decentralized communication infrastructure for AI Agents — DID identity, federated discove 10 Claude Code, Codex, OpenCode 4 5,157 tok
lhpaul/ai-dev-framework-template A tool-agnostic AI-assisted development framework template. Structured workflow (Spec → Pl 10 Claude Code, Codex, Gemini CLI, OpenCode 4 4,854 tok
yfge/agent-harness-skills Turn real software repos into agent-ready engineering environments with entrypoints, valid 10 Codex, Gemini CLI, OpenCode 2 561 tok
xinghang-ee-cs/dev-runtime-skill AI coding assistant skills that structure the full development lifecycle into planning → i 10 Codex, OpenCode 1 3,075 tok
andrewii23/ii23-skills Agent Skills for Claude Code — video understanding (grid-packed frames + transcript, ~7x c 10 Claude Code 1 400 tok
elgatosf/elgato-mcp-server A Model Context Protocol (MCP) server that provides automation capabilities with Elgato ap 10 Claude Code 1 962 tok
sinch/skills sinch.com AI agent skills for Sinch communication APIs. Get expert guidance on getting started, best 10 Claude Code, Codex, OpenCode 2 2,639 tok
SidneyBissoli/ibge-br-mcp ibge.sidneybissoli.com MCP Server for IBGE APIs - Brazilian geographic, demographic and statistical data 10 Claude Code 1 4,027 tok
RoxyAPI/astrology-ai-chatbot roxyapi.com Open source AI astrology chatbot. Vedic kundli, Western charts, BaZi, feng shui, tarot, nu 10 Codex, OpenCode 1 2,082 tok
facebookresearch/projectaria-plugins Official Claude Code marketplace for Project Aria — install ARK plugins for Aria SDK devel 10 Gemini CLI 1 394 tok
IBazylchuk/paparats-mcp Local‑first MCP server for multi‑repository semantic code search with Qdrant and llama. Tu 10 Claude Code 3 4,462 tok
dynatrace-oss/dynatrace-snowflake-observability-agent A tool that streams selected Snowflake telemetry to the Dynatrace API, enabling enhanced d 10 Claude Code, GitHub Copilot 2 4,679 tok
markconroy/markie This is a repo for my personal website, built on Drupal 8 and Patternlab. 10 Codex, GitHub Copilot, OpenCode 2 10,108 tok
yehezkieldio/firefly npmjs.com Automation release management CLI for semantic versioning, changelog generation, and GitHu 10 Codex, GitHub Copilot, OpenCode 2 834 tok
Flux-Frontiers/KGRAG KGRAG - KnowledgeGraph RAG 10 Claude Code, Codex, OpenCode 14 571 tok
FleetAdmiralJakob/chat-io chat-io.roessner.tech Post Quantum Secured Messaging PWA 10 GitHub Copilot, Gemini CLI 3 15,945 tok
nickna/Conduit A unified API gateway for multiple LLM providers with OpenAI-compatible endpoints 10 Claude Code, Codex, Gemini CLI, OpenCode 3 12,644 tok
statecrafting/spec-spine statecrafting.github.io A typed, hash-verifiable ledger of who-owns-what, sitting underneath a codebase so that ma 10 Claude Code, Codex, OpenCode 24 7,707 tok
sageox/agent-toolkit sageox.ai A hosted AI coworker in the channels where your team already talks — open source, and your 10 Claude Code, Codex, OpenCode 36 780 tok
dhaupin/vant vant.creadev.org Vant: Versatile Autonomous Networked Tool - Durable AI memory + cold storage + runtime for 9 Codex, OpenCode 1 2,053 tok
microsoft/Github-Copilot-SDK-Automation-Accelerator The repository is the compilation of all the solution plays and accelerators built on the 9 Claude Code, Codex 1
vedanta/the-system Org-aligned multi-agent orchestration framework with roles, stages, human gates and autono 9 Claude Code 2 7,808 tok
ribeirogab/zeno-agent zeno-agent.dev Self-hosted personal agent. 9 Claude Code, Codex, OpenCode 12 1,505 tok
itaywol/adeptability pkg.go.dev Cross-harness AI skill portability CLI. Author an agent skill once, sync it into Claude Co 9 Codex, OpenCode 1 10 tok
KittyCAD/mcp An MCP server housing various Zoo built utilities 9 Claude Code, Codex, OpenCode 2 2,090 tok
PackmindHub/skillsight See which Claude Code skills your team actually uses. Self-hosted, OTLP-native, no outboun 9 Claude Code 13 3,398 tok