Building agents

4,411 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 Code6,601Data and AI3,691Backend and APIs3,489Languages3,402Planning3,208Git and workflow3,142Code review2,734Memory and context2,361Testing2,349DevOps and cloud2,296Research2,292Writing and docs2,291

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
itential/itential-mcp 🔌 Itential Platform MCP Server 35 Claude Code, Codex, OpenCode 2 4,008 tok
Aicoo-Team/AICOO-Skills aicoo.io An official set of skills to share, maintain and connect personal AI Agents. 35 Claude Code, Codex, OpenCode 2 3,239 tok
zazencodes/agent-skills A central, version-controlled home for coding agent skills across multiple tools 35 Claude Code, Codex, OpenCode 3 846 tok
tecnomanu/agent-rules-kit Bootstrap of Cursor rules (.mdc) and mirror documentation (.md) for AI agent-guided projec 35 Codex, GitHub Copilot, OpenCode 2 5,682 tok
Zaious/Antigravity-Skills-Chronicle open-vsx.org Visual management dashboard for AI Agent skills, workflows, and rules. VS Code extension w 35 Codex, OpenCode 1 952 tok
shipshitdev/skills shipshit.dev Claude, Cursor, Codex skills and commands 35 Claude Code, Codex, OpenCode 4 371 tok
specstoryai/agent-skills specstory.com SpecStory's official collection of agent skills. Summarize, organize and create with `.spe 35 Claude Code, Codex, OpenCode 2 1,417 tok
PsychQuant/che-ical-mcp macOS Calendar & Reminders MCP server (29 tools) — native Swift EventKit for Claude Deskto 35 Claude Code, Codex, OpenCode 11 4,015 tok
epicsagas/Velith epicsagas.github.io AI-native publishing system — build books like software. 6-phase pipeline from blank page 35 Claude Code, Codex, OpenCode 2 2,720 tok
umutbozdag/agent-skills-manager Manage all your AI agent skills from a single dashboard — Cursor, Claude, and Agents 35 Claude Code, Codex, OpenCode 2 79 tok
vivy-yi/Greater-China-Legal Greater China Legal Agent Skills — A legal agent Skill system for Greater China, adapted f 35 Claude Code, Codex, OpenCode 2 3,243 tok
Noveum/orbit orbit.noveum.ai Free, open source, realtime task manager. Issues, boards, sprints, projects and docs that 35 Claude Code, Codex, OpenCode 2 4,573 tok
indexedlabs/pydantic-ai-gepa GEPA extension for pydantic-ai 35 Claude Code, Codex, OpenCode 12 636 tok
MichelKerkmeester/skilled-agent-harness_spec-driven-loops AI-assisted coding setup that helps you spend less time re-explaining context, and more ti 35 Claude Code, Codex, OpenCode 10 11,033 tok
honishi/Hakumai honishi.github.io Niconama Comment Viewer Alternative for macOS. 35 Codex, OpenCode 1 1,602 tok
akiojin/unity-mcp-server [DEPRECATED] Unity MCP server — successor: akiojin/unity-cli 34 Claude Code, Codex, OpenCode 18 14,401 tok
dbankscard/jamf-mcp-server Model Context Protocol server enabling AI assistants (Claude, ChatGPT) to manage Jamf Pro 34 Codex, OpenCode 1 940 tok
hashangit/openfusion Frontier-grade answers from any mix of models — a local MCP server bringing OpenRouter's F 34 Claude Code, Codex, OpenCode 8 5,110 tok
Litenova-Solutions/Fuse fuse.codes MCP server for .NET: typecheck AI agent edits against the compiler, resolve DI and route w 34 Claude Code, Codex, OpenCode 2 10,243 tok
wot-ui/open-wot cli.wot-ui.cn A toolkit of AI capabilities for Wot UI, including Skills, the MCP protocol, and CLI tools 34 Claude Code, Codex, OpenCode 9 666 tok
takeshy/obsidian-llm-hub Obsidian plugin for AI chat, workflow automation, and semantic search — supports Gemini, 34 Claude Code, Codex, OpenCode 2 2,303 tok
rsalmn/ExtremeRouter Enchant Version of 9Router. 304+ Providers (API-key, OAuth, free-tier, and 39 web-cookie p 34 Claude Code, Codex, OpenCode 5 772 tok
FlyFission/nuclear-grade-context-engineering AI agents now operate with authority. Authority without discipline is how complex systems 33 Codex, OpenCode 1 1,038 tok
ggwhite/4x ggwhite.github.io Agentic AI development loop that splits Design, Code, Review, and Test into isolated roles 33 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 8 2,160 tok
machinesoul11/anti-sycophant-ai-agent-skills Skills that get AI assistants to stop agreeing with bad product ideas by default — pressur 33 Claude Code, Codex, OpenCode 4 1,152 tok
bikeread/promethos A skills-first framework for agent-system design, governance, evaluation, and evolution ac 33 Claude Code, Codex, Gemini CLI, OpenCode 3 1,474 tok
tmchow/illo-characters Community character packs for the illo editorial-illustration agent skill 33 Claude Code, Codex, OpenCode 2 1,761 tok
inference-gateway/adl adl.inference-gateway.com A declarative language for defining AI agents, their capabilities, skills and tools. ADL s 33 Claude Code, Codex, OpenCode 3 802 tok
symfony/ai-mate symfony.com AI development assistant MCP server for Symfony projects 33 Claude Code, Codex, OpenCode 2 2,041 tok
TeneoProtocolAI/teneo-skills Teneo Protocol AI agent skills for Claude Code and AI coding assistants 33 Claude Code, Codex, OpenCode 2 3,991 tok
geekatron/jerry jerry.geekatron.org A Claude Code plugin for behavior and workflow guardrails with knowledge accrual 33 Claude Code, Codex, OpenCode 3 10,984 tok
hyperb1iss/hyperskills hyperbliss.tech My collection of agent skills for a variety of tasks 33 Claude Code, Codex, OpenCode 2 2,484 tok
warpforgehq/warpforge warpforge.app Local-first desktop command center for Claude Code, Codex, OpenCode, and other coding agen 33 Claude Code, Codex, OpenCode 2 3,072 tok
waylondev/kb-pilot A lightweight, Git-native knowledge base skill for AI Agents — no vector DB, no chunking, 33 Codex, OpenCode 1 1,802 tok
kupzed/catatz catatz.vercel.app A personal finance management app powered by Next.js and Supabase. Key features include tr 33 Claude Code, Codex, Gemini CLI, OpenCode 26 2,822 tok
buttondown/docs docs.buttondown.com Buttondown's public documentation 33 Claude Code, Codex, OpenCode 2 91 tok
inflexa-ai/inflexa inflexa.ai Local-first CLI for reproducible biological analysis, with provenance tracked on every ste 33 Claude Code, Codex, OpenCode 28 3,843 tok
zebbern/agent-collab Run Codex and Cursor as background workers inside Claude Code. Reviews, tasks, and rescues 32 Claude Code, Codex, OpenCode 2 2,358 tok
dososo/agent-loop-skill A skill for long-running AI agent loops with contracts, traces, restarts, scoring, and cle 32 Claude Code, Codex, OpenCode 2 1,588 tok
myths-labs/muse 🌀 MUSE — Memory-Unified Skills & Execution. A pure-Markdown OS for AI pair programming wi 32 Claude Code, Codex, OpenCode 15 2,299 tok
netclaw-dev/skill-server A self-hosted skill server that provides versioned skill feeds for use by agents. 32 Claude Code, Codex, OpenCode 2 877 tok
anatomia-dev/anatomia anatomia.dev Spec-driven agent harness for Claude Code and Codex — five-agent pipeline (scope, plan, bu 32 Claude Code, Codex, OpenCode 10 129 tok
Manikantareddy941-hash/-caveman 32 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 5 3,408 tok
prakrititz/relayBrain relay-brain.vercel.app Coordination and context layer for AI coding agents. Shared file locks, live patch sync, a 32 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 5 2,392 tok
sergenes/mini_agent A minimal AI agent built from scratch — no agent framework, just Python, the OpenAI SDK, a 32 Claude Code, Codex, Gemini CLI, OpenCode 6 522 tok
chisomobanzi/Serpentine3D chisomobanzi.github.io Open-source NURBS surface modeller — a Rhino-style freeform modeller on the OpenCASCADE ke 32 Claude Code, Codex, OpenCode 6 664 tok
neondatabase/postgres-skills 32 Claude Code, Codex, OpenCode 2 1,105 tok
nekuda-ai/webmcp-kit docs.nekuda.ai Make your website agent-ready: a coding-agent plugin for Claude Code and Codex that adds W 32 Claude Code, Codex, OpenCode 1 571 tok
sseshachala/conductai conductai.ai Runtime governance for AI agents. Allow, warn, or block every model and tool call before i 32 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 11 5,712 tok
zoeynine/Local-Codex-Bridge A lightweight Windows bridge that lets ChatGPT invoke native Codex sessions on the local m 32 Codex, OpenCode 1 1,130 tok