AI Agent Skill Repository
Browse reusable skills for Codex, Claude Code, Cursor, finance, research, web scraping, PPT, football analytics, data, marketing, design, and more.
Live registry search
Exact name and slug matches are checked against the live registry before ranked alternatives.
Decision filters
Showing 1-16 of 116 ranked candidates matching "free-book"
Best blend of relevance, quality, freshness, and verified outcomes
:books: 免费的计算机编程类中文书籍，欢迎投稿
$ npx skills add justjavac/free-programming-books-zh_CNScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
:books: Freely available programming books
$ npx skills add EbookFoundation/free-programming-booksScenario Education and tutoring · I need my agent to teach a topic, generate course material, create quizzes, or analyze learning progress.
CLI + Codex · 4 targets
Book_4_《矩阵力量》 | 鸢尾花书：从加减乘除到机器学习；上架！
$ npx skills add Visualize-ML/Book4_Power-of-MatrixScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
Code Repository for Machine Learning with PyTorch and Scikit-Learn
$ npx skills add rasbt/machine-learning-bookScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
Book_3_《数学要素》 | 鸢尾花书：从加减乘除到机器学习；上架；欢迎继续纠错，纠错多的同学还会有赠书！
$ npx skills add Visualize-ML/Book3_Elements-of-MathematicsScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
$ npx skills add freeCodeCamp/freeCodeCampScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3
$ npx skills add xtekky/gpt4freeScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
OpenAI Agents + CLI · 4 targets
南瓜书：《机器学习》（西瓜书）公式详解
$ npx skills add datawhalechina/pumpkin-bookScenario Multimodal media · I need my agent to process images, video, or audio and extract useful information.
CLI + Codex · 4 targets
MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville
$ npx skills add janishar/mit-deep-learning-book-pdfScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
Stackryze Domains: Free Domain for Everyone, Claim yours today.
$ npx skills add stackryze/FreeDomainsScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
Create beautiful, publication-quality books and documents from computational content.
$ npx skills add jupyter-book/jupyter-bookScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
Automatically claims free games and DLCs on the Epic Games Store, Amazon Prime Gaming and GOG.
$ npx skills add vogler/free-games-claimerScenario Testing and QA · I need my agent to test a web app, reproduce bugs, and verify fixes.
Browser agents + CLI · 4 targets
Machine Learning Systems
$ npx skills add harvard-edge/cs249r_bookScenario Multimodal media · I need my agent to process images, video, or audio and extract useful information.
CLI + Codex · 4 targets
Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
$ npx skills add virgiliojr94/book-to-skillScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
Claude Code + CLI · 4 targets
List of Permanent Free LLM API (API Keys)
$ npx skills add mnfst/awesome-free-llm-apisScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
Claude Code + CLI · 4 targets
【三年面试五年模拟】AIGC/LLM/AI Agent算法工程师面试秘籍。涵盖AIGC、LLM大模型、AI Agent、传统深度学习、自动驾驶、机器学习、计算机视觉、自然语言处理、强化学习、大数据挖掘、具身智能、元宇宙、AGI等AI行业面试笔试干货经验与核心知识。
$ npx skills add WeThinkIn/AIGC-Interview-BookScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
Page 1
Showing the strongest 16 results to keep the registry fast for humans and agents. Refine by use case, platform, stars, or search query for a narrower shortlist.
Try the agent resolve APIAI Agent Skill Repository
Browse reusable skills for Codex, Claude Code, Cursor, finance, research, web scraping, PPT, football analytics, data, marketing, design, and more.
Live registry search
Exact name and slug matches are checked against the live registry before ranked alternatives.
Decision filters
Showing 1-16 of 116 ranked candidates matching "free-book"
Best blend of relevance, quality, freshness, and verified outcomes
:books: 免费的计算机编程类中文书籍，欢迎投稿
$ npx skills add justjavac/free-programming-books-zh_CNScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
:books: Freely available programming books
$ npx skills add EbookFoundation/free-programming-booksScenario Education and tutoring · I need my agent to teach a topic, generate course material, create quizzes, or analyze learning progress.
CLI + Codex · 4 targets
Book_4_《矩阵力量》 | 鸢尾花书：从加减乘除到机器学习；上架！
$ npx skills add Visualize-ML/Book4_Power-of-MatrixScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
Code Repository for Machine Learning with PyTorch and Scikit-Learn
$ npx skills add rasbt/machine-learning-bookScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
Book_3_《数学要素》 | 鸢尾花书：从加减乘除到机器学习；上架；欢迎继续纠错，纠错多的同学还会有赠书！
$ npx skills add Visualize-ML/Book3_Elements-of-MathematicsScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
CLI + Codex · 4 targets
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
$ npx skills add freeCodeCamp/freeCodeCampScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3
$ npx skills add xtekky/gpt4freeScenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
OpenAI Agents + CLI · 4 targets
南瓜书：《机器学习》（西瓜书）公式详解
$ npx skills add datawhalechina/pumpkin-bookScenario Multimodal media · I need my agent to process images, video, or audio and extract useful information.
CLI + Codex · 4 targets
MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville
$ npx skills add janishar/mit-deep-learning-book-pdfScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
Stackryze Domains: Free Domain for Everyone, Claim yours today.
$ npx skills add stackryze/FreeDomainsScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
Create beautiful, publication-quality books and documents from computational content.
$ npx skills add jupyter-book/jupyter-bookScenario Document processing · I need my agent to read PDFs, extract tables, and turn documents into structured data.
CLI + Codex · 4 targets
Automatically claims free games and DLCs on the Epic Games Store, Amazon Prime Gaming and GOG.
$ npx skills add vogler/free-games-claimerScenario Testing and QA · I need my agent to test a web app, reproduce bugs, and verify fixes.
Browser agents + CLI · 4 targets
Machine Learning Systems
$ npx skills add harvard-edge/cs249r_bookScenario Multimodal media · I need my agent to process images, video, or audio and extract useful information.
CLI + Codex · 4 targets
Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
$ npx skills add virgiliojr94/book-to-skillScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
Claude Code + CLI · 4 targets
List of Permanent Free LLM API (API Keys)
$ npx skills add mnfst/awesome-free-llm-apisScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
Claude Code + CLI · 4 targets
【三年面试五年模拟】AIGC/LLM/AI Agent算法工程师面试秘籍。涵盖AIGC、LLM大模型、AI Agent、传统深度学习、自动驾驶、机器学习、计算机视觉、自然语言处理、强化学习、大数据挖掘、具身智能、元宇宙、AGI等AI行业面试笔试干货经验与核心知识。
$ npx skills add WeThinkIn/AIGC-Interview-BookScenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.
CLI + Codex · 4 targets
Page 1
Showing the strongest 16 results to keep the registry fast for humans and agents. Refine by use case, platform, stars, or search query for a narrower shortlist.
Try the agent resolve API