Building agents

7,521 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 Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,297Research2,295

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
leonardsellem/codex-specialized-subagents MCP server that lets Codex delegate to isolated codex exec sub-agents, selecting repo+glob 68 Codex, OpenCode 2 916 tok
pulumi/agent-skills Official Pulumi Agent Skills for writing, migrating, and operating infrastructure with AI 68 Claude Code, Codex, OpenCode 2 2,894 tok
bug-ops/mcpls Universal MCP to LSP bridge - expose Language Server Protocol capabilities as MCP tools fo 68 GitHub Copilot 7 3,708 tok
Arcadia-1/analog-agents arcadia-1.github.io 12 agentic skills for analog IC design — architecture, sizing, verification, cross-model r 68 Codex, OpenCode 1 2,489 tok
lathe-cli/lathe Agentic-friendly CLI generator for APIs: turn Swagger, OpenAPI, and google.api.http protos 68 Claude Code, Codex, OpenCode 2 1,063 tok
impecablemee/gtm-mcp gtm-mcp.com Open-source B2B cold outreach pipeline for Claude Code. One /launch command: find companie 68 Claude Code 23 1,429 tok
boostcampwm-2024/web05-Denamu denamu.dev A place where developers' stories grow, Denamu 🎄 68 Claude Code, GitHub Copilot 12 2,521 tok
Hainrixz/skill-vault tododeia.com Your personal skill library for Claude Code. Organize, analyze, and search skills with bui 67 Claude Code 1 2,594 tok
contentful/skill-kit contentful.github.io TypeScript SDK for building agent skills as typed state machines — define steps, validate 67 Claude Code, Codex, OpenCode 5 2,833 tok
putervision/vision-memory-mcp visionmemorymcp.com Persistent visual cache for LLM-driven software development. Caches screenshots using perc 67 Claude Code, Codex, GitHub Copilot, Windsurf 10 12,965 tok
roundpilot/superpowers-antigravity An agentic skills framework & software development methodology that works. Built natively 67 Gemini CLI 1 12 tok
club-cog/devin-handoff Hand off tasks to Devin — a plugin/skill for Claude Code, Codex, Cursor, and any coding ag 67 Codex, OpenCode 1 542 tok
rojim666/SztuCode Local-first AI coding Agent supporting TUI/desktop clients, tool permissions, session memo 67 Claude Code 1 286 tok
ruvnet/federated-mcp This implementation follows the official MCP specification, including proper message frami 67 Claude Code, GitHub Copilot 2 53 tok
MrLesk/agents-council agents-council.com Agent-to-Agent MCP communication tool for feedback requests 67 Claude Code, Codex, Gemini CLI, OpenCode 5 482 tok
dlupiak/claude-session-dashboard Claude Code Session Dashboard — local observability for ~/.claude sessions 67 Claude Code 27 1,151 tok
cmaughan/Draxul 🩸 A Dark Factory agentic project. A Universal console shell, city-as-code metaphor. Cros 67 Claude Code, Codex, Gemini CLI, OpenCode 7 6,124 tok
wingedsheep/argentum-engine magic.wingedsheep.com Magic: The Gathering rules engine + online play platform, in Kotlin 66 Claude Code, Codex, OpenCode 16 3,520 tok
DevelopersGlobal/ai-agent-skills developersglobal.github.io AI agent skills for production grade applications 66 Claude Code, Codex, Gemini CLI, OpenCode 3 925 tok
Jamie-BitFlight/claude_skills Plugins for Anthropic's Claude Code, Codex, Cursor and more 66 Claude Code, Codex, OpenCode 7 2,899 tok
stbenjam/skillsaw skillsaw.org Keep your skills sharp. Intelligence for agent context. 66 Claude Code, Codex, GitHub Copilot, OpenCode 19 17,142 tok
timowhite88/Farnsworth Farnsworth is an autonomous, infinitely-memorable, self-evolving companion AI built entire 66 Claude Code 1 743 tok
dismine/valentina smart-pattern.com.ua DON'T FORK! This is a mirror for Valentina develop branch on GitHub and it's meant to be r 66 Claude Code 3
kinncj/Heimdall Heimdall is a lightweight, cross-platform hardware monitoring system with a real-time term 66 Claude Code, Codex, GitHub Copilot, OpenCode 7 7,135 tok
mnemox-ai/AgentRelay mnemox.ai Verifiable microtask protocol for AI agent collaboration. Task lifecycle, validation engin 65 Claude Code, Codex 2 1,618 tok
icraft2170/youtube-data-mcp-server 65 Cursor 1 410 tok
MartyBonacci/specswarm specswarm.com SDD Specification driven development orchestration plugins for Claude Code. 65 Claude Code 1 2,691 tok
thienanblog/awesome-ai-agent-skills A curated list of essential skills, tools, and resources for building and enhancing advanc 65 Claude Code, Codex, OpenCode 3 1,116 tok
1ch1n/mychatarchive mychatarchive.com Local-first AI memory archive. Import ChatGPT, Claude, and Grok exports, generate semantic 65 Claude Code 1 422 tok
crystian/skill-map skill-map.ai Map, inspect, and audit AI-agent markdown ecosystems (skills, agents, commands, hooks) as 65 Claude Code, Codex, OpenCode 17 10,079 tok
Viy1204/recruiting-copilot An AI recruitment workflow for HR professionals and headhunters: defining job requirements 65 Claude Code, Codex, OpenCode 1 681 tok
Kastalien-Research/thoughtbox thoughtbox.kastalienresearch.ai Thoughtbox is an intention ledger for agents. Evaluate AI's decisions against its decision 64 Claude Code, Codex, OpenCode 5 4,519 tok
tmchow/agent-skills Cross-platform AI agent skills (SKILL.md) installable via npx skills / gh skills 64 Claude Code, Codex, OpenCode 2 3,586 tok
geekfujiwara/CodeAppsDevelopmentStandard An AI-first development standard for building business systems with Power Platform & Azure 64 Claude Code, Codex, GitHub Copilot 26
Thurbeen/thurbox thurbox.thurbeen.eu TUI for agentic code orchestration 64 Claude Code, Codex 13 4,068 tok
roedyrustam/vibes-plug npmjs.com Universal Multi-Agent Swarm Plugin with specialized skills for Antigravity (AGY), Claude C 64 Claude Code, Codex, Cursor, OpenCode 3 4,279 tok
whats2000/isaacsim-mcp-server Isaac Simulation MCP Extension and Server 64 Claude Code 1 3,594 tok
BetterThanTomorrow/calva-backseat-driver marketplace.visualstudio.com VS Code AI Agent Interactive Programming. Tools for CoPIlot and other assistants. Can also 64 Claude Code, Codex, GitHub Copilot, OpenCode 7 5,540 tok
Superfleys/agent-spec A reusable JSON template that governs how AI coding agents build your software. Defines ag 64 Claude Code 1
shikajiro/claude-code-skill-example This is a sample of Cloud Code Skills. 64 Claude Code 4
DekaPrayoga/AurixAgent haikzs.tech 🤖 Autonomous Multi-Agent AI Workspace in your terminal. Codes, researches, and executes r 63 Codex, OpenCode 1 840 tok
chiruu12/OSS-Skills 15 executable skills that walk you through your first open source contribution. Works in C 63 Claude Code, Codex, OpenCode 2 2,191 tok
luna-prompts/skillnote lunaprompts.com The open-source skill registry for AI coding agents. Create, manage, and distribute SKILL. 63 Claude Code 1 2,386 tok
yfge/ai-video-studio AI video production workflow platform for professional short drama teams. Timeline-first, 63 Claude Code, Codex, Gemini CLI, OpenCode 6 1,434 tok
storybook-astro/storybook-astro storybook-astro.org 63 Claude Code, Codex, OpenCode 8 5,548 tok
robzilla1738/Codex-Workflows Workflow-as-code orchestration for Codex 63 Claude Code, Codex, OpenCode 2 1,048 tok
floodsung/gongzhonghao_agent_team 63 Claude Code 1 1,044 tok
crisandrews/ClawCode Persistent agents for Claude Code as a plugin, not a harness. Memory, personality, messagi 62 Claude Code, Codex, OpenCode 1 2,132 tok
dgilford/ai-science-toolkit Skills & reviewer agents for AI-first climate science — built and used by a PhD atmospheri 62 Claude Code, Codex, OpenCode 2 14,915 tok
alonw0/llm-docs-optimizer A Claude Code plugin that optimizes documentation for AI coding assistants like Claude, Gi 62 Claude Code 1 1,380 tok