Best Open Source agent skills Libraries

#1anthropics/skills

Public repository for Agent Skills

#2nexu-io/open-design

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.

#3sickn33/agentic-awesome-skills

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,005+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

#4ComposioHQ/awesome-claude-skills

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

#5VoltAgent/awesome-openclaw-skills

The awesome collection of OpenClaw skills. 5,400+ skills filtered and categorized from the official OpenClaw Skills Registry.🦞

#6hesreallyhim/awesome-claude-code

A curated list of awesome skills, hooks, slash-commands, agent orchestrators, applications, and plugins for Claude Code by Anthropic

#7github/awesome-copilot

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

#8titanwings/distilly

Distilly — Distill how they think into reusable Skills for any Agent or Bot. Formerly Colleague Skill（原同事 Skill）.

#9OthmanAdi/planning-with-files

Claude Code skill implementing Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition.

#10K-Dense-AI/claude-scientific-skills

A set of ready to use Agent Skills for research, science, engineering, analysis, finance and writing.

#11aden-hive/hive

Outcome driven agent development framework that evolves

#12JimLiu/baoyu-skills

#13Devin-AXIS/iPolloWork

Enterprise-grade, local-first Agent Workbench for people and agent teams. A unified multi-engine workspace for Codex Harness, DeepSeek Harness, and OpenCode, with unified plugins and Skills, multi-agent projects and tasks, and editable code, documents, presentations, design, and video.

#14openclaw/crabbox

Crabbox: warm a box, sync the diff, run the suite.

#15mindscale-noah/MindMemOS

#16jal-co/shieldcn

Beautiful README badges, inspired by shields.io and styled like shadcn/ui.

#17Anionex/dsh-vision-toolkit

[dsh]为纯文本模型设计更强大的视觉工具箱：一行安装使用、粘贴图片直接识别、多张图片问答、截图到前端UI 还原等｜DeepSeek Harness-native integration for agent-vision-toolkit: image Q&A, long-screenshot OCR, UI restoration, grounding, pixel diff, Artifacts, and Web UI.

#18artokun/comfyui-mcp

Local-first, agent-native control plane for ComfyUI — MCP server + sidebar agent that generates images, video & audio, authors and runs workflows, and edits your live graph in natural language on ANY LLM (Claude, ChatGPT, Gemini, offline Ollama, or any hosted model). 178 tools, 36 AI skills, 55 installer packs. Local, LAN, VPS, or Comfy Cloud.

#19redfox-data/redfox-community

红狐数据 技能合集：面向 Agent 的可复用 SKILL 集合，覆盖灵感、选题、文案创作、数据复盘等场景，持续更新。

#20LB623/no-negative-echo

让 Codex 根据最终结果生成标题、注释、commit 和 PR，减少被否决方案在交付中的残留。

#21Leon-Drq/openagentskill

The skill layer for AI agents: npm for AI Agent Skills.

#22yzhao062/anywhere-agents

One config to rule all your AI agents: portable (every project, every session), effective (curated writing, routing, skills), and safer (destructive-command guard).

#23basecamp/hey-cli

HEY CLI and Agent Skills

#24NimaChu/my-wiki

Local-first AI knowledge app and Agent Skill with evidence-backed Wiki, an interactive knowledge universe, Viki Q&A, and shareable knowledge galaxies.

#25belialberu4-oss/exo-harness-ai-pipeline

Claude Code AI Pipeline 2026 – PEV Framework Harness Plugin for Developers