A collection of 177 validated scientific skills for AI agents, covering biology, chemistry, medicine, and data analysis, plus 100+ scientific database references.
Agent skill that generates editorial diagrams as one self-contained HTML + SVG file, with 44-45 diagram types.
A composable skills framework and development methodology that guides coding agents through design, planning, TDD, and subagent-driven implementation.
An Agent Skill that steers coding agents to design websites and app screens with art direction, real photos, and in-browser checks.
Design guidance skill and detector rules that steer AI coding agents away from generic frontend design patterns.
A collection of role-specific AI agent personas with defined processes and deliverables, installable into tools like Claude Code, Cursor, and Gemini CLI.
An open, structured graph of 1,616 primary-school micro-topics with prerequisite dependencies and curriculum standards alignment.
A repository of official Cursor plugins for developer tools and workflows, plus the plugin specification they follow.
A free, MIT-licensed course of 542 lessons on AI engineering, implementing model internals, retrieval, and agent runtimes from scratch.
A collection of Chinese-language circumvention tools, bundled Chrome/Firefox proxy packs, and setup tutorials for V2Ray, Shadowsocks, and related clients.
Port of Poteto's pstack, a set of opinionated agent workflow skills, translated for Claude Code, Codex, Copilot, Pi, OpenCode, and Gemini.
A structured, example-driven tutorial and template collection for learning Claude Code features from basic commands to agents, hooks, and MCP servers.
Claude skill kit that turns the agent into a design architect, providing DTCG design tokens, 52 components, 138 design systems, and 52 build gates for accessible UI code.
A design skill for Claude Code, Cursor, and Codex that generates UI deliberately avoiding generic AI-generated aesthetics.
A set of 49 Claude Code subagents and 74 slash-command workflows that structure an AI session into a game dev studio with defined roles.
An 18-lesson beginner course with code samples on building AI agents using Microsoft's agent frameworks and services.
A curated list of free system design learning materials and interview preparation problems and concepts.
A free Vibe Coding course that teaches beginners to build and launch AI-assisted products from plain-language descriptions.
A collection of Claude Code agents, skills, hooks, commands, rules, and MCP configs packaged as a plugin.
A curated Chinese-language handbook of ways to earn side income with AI, covering tools, platforms, and content strategies.
A free Chinese-language 100-day Python course, from basics to advanced topics, with lessons and code examples.
A collection of Agent Skills for Claude Code, Cursor, Codex and other AI coding agents covering web design, retrieval, image prompting and video.
A collection of 70 cybersecurity projects with source code, certification roadmaps, and learning resources, organized from foundations to advanced.
Curated list and one-command installer for 750+ open-source intelligence and security tools across 50 categories.
Interactive collection of reusable CSS UI transitions with copy-ready snippets, a CLI, and an agent skill for applying them.
A large curated guide covering self-hosting tools, hardware, and setup walkthroughs for running software on your own servers.
A curated list of libraries, packages, and resources for quantitative finance across many languages and topics.
A 12-week, 24-lesson beginner curriculum covering AI fundamentals, neural networks, computer vision, NLP, and AI ethics with TensorFlow and PyTorch labs.
Jupyter notebooks and recipes demonstrating code patterns for building with the Claude API, including tool use, RAG, vision, and evaluations.
Companion repository for Chip Huyen's book AI Engineering, with chapter summaries, study notes, prompt examples, and case studies.
A collection of Go-specific agent skills covering language, testing, security, and observability for AI coding assistants.
A 12-week, 26-lesson beginner curriculum on classic machine learning using Scikit-learn, with quizzes and projects in Python and R.
A collection of security testing wordlists covering usernames, passwords, URLs, fuzzing payloads, web shells, and sensitive data patterns.
Example notebooks and guides showing how to accomplish common tasks with the OpenAI API.
A collection of 42+ runnable Jupyter notebooks, each tutorial covering an advanced technique for Retrieval-Augmented Generation systems.
A set of Claude Code and Codex skills that run value-investing company research using four investors' methodologies via multi-agent analysis.
A free 9-week course teaching data engineering by building an end-to-end data pipeline using tools like Docker, Terraform, Kafka, Spark, and dbt.
Python and Jupyter reproductions of quant strategies from Chinese brokerage research reports, covering A-share timing, factors, value and portfolio optimization.
A free course teaching how to design, develop, deploy, and iterate on production-grade machine learning applications in Python.
A ready-to-use offline Simplified Chinese Rime input method configuration with maintained dictionaries and many input schemes.
A Vue-based static site collecting IELTS prep materials covering vocabulary, grammar, listening, reading, and writing.
Claude Code skills that teach the assistant to build and validate n8n workflows through the n8n-mcp server, plus deployment guidance for self-hosted n8n.
A collection of examples, tutorials, and apps for building with Liquid AI's open-weight LFM models and the LEAP SDK on laptops, mobile, and edge devices.
Source repository for Simon Prince's textbook Understanding Deep Learning, with LaTeX sources, figures, and Jupyter notebooks.
Curated portable skills and custom agents that help AI coding agents work with .NET and C#.
Open-source LaTeX textbook teaching introductory systems programming in C on Linux and POSIX, used in UIUC's CS 341 course.
A curated Markdown list of search engines for security work, covering servers, vulnerabilities, exploits, leaks, and threat intelligence.
A study guide and interview-prep curriculum for AI/ML technical roles at big tech, covering coding, ML breadth, system design, and behavioral rounds.
A community-written guide covering methods and test cases for security testing web applications and web services.
Patches popular programming fonts with thousands of extra icon glyphs from Font Awesome, Devicons, Octicons and other iconic font sets.
Repository of binary font files served by Google Fonts, plus an issue tracker for font bugs and requests.
Source repository for the Home Assistant user documentation website, built with Jekyll.
Source repository for the docs.github.com documentation site, including its Markdown content and TypeScript site code.
Official repository for the OWASP Top 10 document, a ranked list of the most critical web application security risks.
A 10-week, 20-lesson beginner curriculum teaching data science through project-based lessons with quizzes and assignments.
A beginner curriculum teaching the Model Context Protocol (MCP) with hands-on code examples in C#, Java, JavaScript, Rust, Python, and TypeScript.
A free, cohort-based course teaching ML engineering: training models, exposing them via APIs, and deploying with Docker, Kubernetes, and AWS Lambda.
A Chinese-language, systematic Vibe Coding tutorial that takes beginners from idea to full-stack product using AI-assisted programming.
A curated list of themes, plugins, converters, and other resources for the Obsidian note-taking app.
A curated, community-maintained list of Swift libraries, guides, tools, and resources organized by category.