Building agents

4,826 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
castle-x/skills-x AI Agent Skills Repo 18 Claude Code, Codex, OpenCode 26 1,100 tok
GetStream/agent-skills Give your AI coding agent the ability to build, query, and manage Stream - Chat, Video, Fe 18 Codex, OpenCode 1 1,069 tok
WayneChou-bot/LLM-Wiki-Agent-Workflow-Demo llm-wiki-agent-workflow-demo.vercel.app Karpathy-inspired LLM Wiki demo: AI agents compile raw sources into a persistent, self-lin 18 Codex, OpenCode 1 368 tok
davisjam/model-based-agentic-software-engineering davisjam.github.io Book, website, and skills for MAGE: the Model-Based Agentic Software Engineering framework 18 Claude Code, Codex, OpenCode 2 6,439 tok
argos-ci/argos-javascript docs.argos-ci.com Official Argos SDKs for JavaScript 18 Claude Code, Codex 1
zapier/agent-skills skills.sh Agent skills for working with Zapier, maintained by Zapier teams. Indexed by skills.sh. 18 Claude Code, Codex, OpenCode 2 1,628 tok
gmf520/openspec-agents A state-machine-based multi-agent collaborative development framework. Driven by a main or 18 Claude Code, Codex, Cursor 40
Open-Harness/open-harness open-harness.github.io 18 Claude Code, Codex, OpenCode 5 6,022 tok
Wolfe-Jam/grok-faf-mcp faf.one Persistent Project Context for xAI Grok — IANA-registered .faf format · MCP server on a UR 18 Claude Code, Codex, OpenCode 2 1,137 tok
donnfelker/loop-skills Autonomous, self-re-prompting agent loops for Claude Code — packaged as independently-inst 18 Claude Code, Codex, OpenCode 2 1,262 tok
Lykhoyda/ask-llm lykhoyda.github.io MCP server for AI-to-AI collaboration — bridge Claude with Gemini, Codex, and other LLMs f 18 Codex, OpenCode 1 1,242 tok
understudylabs/understudy-agent-tools Public MIT-licensed Understudy agent tools and skill library 18 Claude Code, Codex, OpenCode 3 2,402 tok
onceMisery/seahorse-agent Seahorse Agent is an engineering platform for enterprise knowledge, long-term memory, and 18 Claude Code, Codex 4 1,438 tok
blxzer77/cursor-trellis 18 Claude Code, Codex, OpenCode 15 4,726 tok
wenhanweime/herdr-plugin-renamer LLM-powered session naming for herdr: Claude Code / Codex / Grok / Pi / opencode, Chinese 18 Claude Code, Codex, OpenCode 2 3,323 tok
ever-works/directory-web-template ever.works Open-Source Directory Website NextJs Boilerplate (part of Ever® Works™ Platform) - https:/ 18 Claude Code, Codex, GitHub Copilot, OpenCode 3 17,352 tok
c18229039407-arch/cutlin Cutlin - AI-Orchestrated Video Production Platform 17 Claude Code, Codex, GitHub Copilot, OpenCode 3 271 tok
denysdovhan/agents A collection of custom skills for my workflows with AI-agents 17 Claude Code, Codex, OpenCode 2 528 tok
celados/mcpx Apple MCP tools ✅ 17 Codex, OpenCode 1 101 tok
enowdev/succubus Cross-agent coordination for AI coding agents. One daemon, one database — so multiple agen 17 Claude Code, Codex, OpenCode 2 502 tok
borhen68/SkillEngine Production-grade engineering skills for AI coding agents. 17 Claude Code, Codex, Gemini CLI, OpenCode 3 2,318 tok
sawrus/agent-guides sawrus.github.io Install a full engineering team into your AI agent. 7 SDLC roles · 105+ skills · 18 areas 17 Codex, OpenCode 1 1,027 tok
TGPSKI/leather leather.sh Local agent infrastructure in one stdlib-only Go binary 17 Claude Code, Codex, OpenCode 6 2,738 tok
organvm-iv-taxis/a-i--skills organvm-iv-taxis.github.io Public repository of AI agent skills: specialized capabilities and workflows across 12 cat 17 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 8 8,740 tok
erans/autoagent-action A composable GitHub Action that integrates with AI agents like Cursor CLI, Claude Code, Ge 17 Codex, OpenCode 1 1,807 tok
mayflower/contextmine Documentation & Code Indexing with MCP - Open-source Context7 alternative 17 Claude Code, Codex, OpenCode 3 3,649 tok
LoftyTao/Honeybee-MCP MCP Tools by LBT-Honeybee 17 Codex, OpenCode 1 1,542 tok
Boom-Vitt/claude-thai-business-skills 12 Claude Code skills for Thai SME business consulting — pricing waterfall, SME tax tier, 17 Codex, OpenCode 1 949 tok
ForkPoint/agent-lighthouse forkpoint.github.io Lighthouse-style audits for AI-agent readiness, LLM crawlers, MCP clients, and the agentic 17 Claude Code, Codex, OpenCode 2 2,258 tok
Azure/azure-functions-skills A repository for Azure Functions skills, prompts, and reusable definitions to support agen 17 Claude Code, Codex, GitHub Copilot, OpenCode 15 2,536 tok
kasuken/github-copilot-superpowers Opinionated, repo-local configuration for GitHub Copilot (Chat + Agent mode): instruction 17 Claude Code, Codex, GitHub Copilot 15 5,040 tok
caiaffa/claude-code-ultimate-engineering-system A complete engineering toolkit for Claude Code: premium skills, agent workflows, ADR/PRD t 17 Claude Code, Codex, OpenCode 2 3,472 tok
atesgoral/vite-plugin-mcp-client-tools Pluggable Vite MCP plugin that brings client-side tools to your existing Vite setup 17 Codex, OpenCode 1 1,287 tok
asasugar/SuperSpec asasugar.github.io Spec-driven development (SDD) for AI-powered coding assistants 17 Claude Code, Codex, Cursor, OpenCode 20 2,431 tok
ulises-jeremias/agent-toolkit ulises-jeremias.github.io 🛠️ Composable AI agent toolkit — skills, agents, loops, and MCP templates for Claude Code 17 Codex, OpenCode 1 3,105 tok
j0hanz/filesystem-mcp A local filesystem MCP server that lets LLMs and AI agents read, write, search, diff, patc 17 Claude Code, Codex, OpenCode 2 164 tok
tmustier/codex-computer-use-mcp Background-safe MCP server for the signed Codex Computer Use broker on macOS. Works with a 17 Codex, OpenCode 1 332 tok
LuxAlgo/luxalgo-mcp-server mcp.luxalgo.com The LuxAlgo ecosystem as MCP tools: free and keyless. 17 Claude Code, Codex, OpenCode 2 1,127 tok
chankov/agent-fleet Pi-first multi-agent orchestration for coding agents—dispatcher, resumable fleets, peer me 17 Claude Code, Codex, OpenCode 3 4,491 tok
wuisabel-gif/Delphin wuisabel-gif.github.io A duplex companion for AI agent CLIs: talk and listen at the same time. 17 Claude Code, Codex 1
zapstore/zsp Publish apps to relays 17 Codex, OpenCode 1 319 tok
marclove/typeforge Basic TypeScript Node.js repository scaffold (no frameworks) with fantastic DX out-of-the- 17 Claude Code, Codex, OpenCode 3 1,663 tok
mcginty/blew A cross-platform BLE Central/Peripheral library, focused on P2P applications 17 Claude Code, Codex, OpenCode 2 6,659 tok
Zambav/ComfyUI-Agent-Toolkit 17 Codex, OpenCode 1 1,797 tok
CrowdStrike/fusion-skills crowdstrike.com AI coding assistant skills for building CrowdStrike Falcon Fusion workflows: action discov 16 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 3,083 tok
d4rkNinja/arcforge arcforge.infynon.com Production architecture decisions your AI coding agent can explain, challenge, and prove. 16 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,072 tok
isaacsight/kernel kernel.chat Three packages: @kernel.chat/agent-os (POSIX for AI agents — capabilities, namespaces, quo 16 Claude Code, Codex, OpenCode 2 1,709 tok
bigduu/Bamboo-agent bigduu.github.io Bamboo — a local-first Rust agent harness and runtime with sessions, tools, skills, MCP, s 16 Claude Code, Codex, OpenCode 2 269 tok
vshrinath/virtual-product-factory Collection of AI agent skills focussed on agentic product engineering 16 Codex, OpenCode 1 4,653 tok
XAIHT/Tlamatini xaiht.org Tlamatini is a self-hosted AI developer assistant for local or cloud LLMs: hybrid RAG (FAI 16 Claude Code, Codex, Gemini CLI 12 55,050 tok