Best Open Source agent skills Libraries

#1morluto/rea

Reverse engineer anything with agents, from app behavior down to native binaries.

#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.

#3anthropics/skills

Public repository for Agent Skills

#4career-ops-hq/career-ops

Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview prep and a job application tracker. It helps you fill in each application; you press Submit. Runs locally in your AI coding CLI (Claude Code, Codex, OpenCode and more).

#5K-Dense-AI/scientific-agent-skills

Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 250,000+ scientists worldwide. 177 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

#6ComposioHQ/awesome-claude-skills

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

#7VoltAgent/awesome-openclaw-skills

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

#8VoltAgent/awesome-agent-skills

A curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.

#9hesreallyhim/awesome-claude-code

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

#10github/awesome-copilot

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

#11OthmanAdi/planning-with-files

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

#12K-Dense-AI/claude-scientific-skills

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

#13Vincentwei1021/video-shotcraft

AI video skill for Claude Code & Codex — cinematic product videos with Remotion: 152 shot recipe cards, 209 motion previews, a production-ready template

#14tigerless-labs/autoharness

Autoharness — a self-learning skill layer for Claude Code — distills skills from your real sessions, updates them as you work, and prunes the ones that stop getting used. No daemon, no benchmark.

#15aden-hive/hive

Outcome driven agent development framework that evolves

#16JimLiu/baoyu-skills

#17Gentleman-Programming/gentle-ai

Gentle-AI configures the AI coding agents you already use: Claude Code, Cursor, OpenCode, Codex, Pi, and more. Choose persistent memory, Organic-Driven Development, curated skills, MCP servers, personas, and optional bounded review. Open source, no agent lock-in.

#18mvschwarz/openrig

Build your own network of agents from Claude Code, Codex and Pi: persistent teams with roles, shared context and owned work.

#19ThinkInAIXYZ/deepchat

🐬DeepChat - A smart assistant that connects powerful AI to your personal world

#20epoko77-ai/im-not-ai

AI가 쓴 한글을 사람 글처럼 윤문하는 Claude 스킬 — Korean AI-text humanizer: detects and rewrites translationese, mechanical parallelism, and 71 other AI tells

#21aipoch/open-science

The open-source AI research workbench for scientific research and agent workflows. Local-first, model-agnostic desktop app with extensible skills, MCP tools and connectors, Python/R execution and traceable artifacts for reproducible research on macOS, Windows and Linux.

#22openclaw/crabbox

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

#23boyang-hu/website-rebuild-skill

复刻网站的 Agent Skill：抓只读镜像、从压缩代码逐行还原、自动比对验收。An agent skill that mirrors a website, rebuilds it from the minified code, and verifies the result with automated diffs.

#24TencentCloudBase/CloudBase-AI-Toolkit

Backend for AI coding agents on CloudBase — database, auth, functions via Plugin, Skills & MCP.

#25LC044/TrailSnap

TrailSnap (行影集) | AI-Powered open-source photo album for travel & life memories.（AI赋能的开源相册工具，珍藏旅行与生活点滴）

#26levnikolaevich/claude-code-skills

Standalone skills for Claude Code and Codex: product discovery, architecture, implementation, technical foundations, reviews and delivery, with explicit scope and verification.

#27zhuyansen/agent-skills-hub

Discover and compare open-source Agent Skills, tools & MCP servers — with quality scoring, trending analysis, and automated GitHub sync

#28BlackBeltTechnology/pi-agent-dashboard

Real-time web dashboard for pi coding-agent sessions. Multi-session view, live chat mirroring, integrated terminal, diff viewer, pi-flows execution, and mobile-first remote control via mDNS or zrok tunnel. Coexists with pi's TUI — doesn't replace it.

#29gosuda/portal-tunnel

Publishes localhost services to the agentic web through self-hostable, trustless relays.

#30avivsinai/bitbucket-cli

Bitbucket CLI with gh-like ergonomics

#31oliver-zehentleitner/keep-the-why

The why layer of repo-native project memory: the reasoning behind a codebase as Markdown in the repo, versioned by Git, for coding agents and humans, so nothing rejected is proposed twice. No database, no daemon, no account.

#32pseudo-longinus/quant-buddy-skills

宽宝 QuantBuddy： 一整套面向Agent Invesment投资研究与决策的底层设施与能力的调用skill， 覆盖A股/港股/美股/期货/宏观/ETF的量化分析与计算。支持行情、估值、财务查询、选股筛选、因子计算、策略回测。A complete infrastructure for Agent based investment analysis and decision through skill calling. Including quant skill for A-share, HK & US stocks/futures/ETF/macro — market data, fundamentals, screening, factor & backtest.

#33ARPAHLS/skillware

A Python framework for modular, self-contained skill management for machines.

#34yschimke/compose-ai-tools

Helping the Agents Compose the Things

#35low-hands/MyCareer

MyCareer Agent——你的全流程秋招/春招求职Agent助手：岗位采集、简历分析与定制、公司调研、投递管理、面试准备和模拟面试

#36Bevel-Software/Hexis

Centrally manage AI-agent skills, tools, context, permissions, and identity across your entire org. Self-hosted, Git-backed and MCP-native.

#37shivamthe-coder/roblox-luau-atelier

2026 Roblox Luau AI Agent Skill Suite for Production-Grade Scripts and Official Docs Guidance