A collection of 177 validated scientific skills for AI agents, covering biology, chemistry, medicine, and data analysis, plus 100+ scientific database references.
Agent harness system of skills, agents, hooks, rules, memory, and security scanning for Claude Code, Codex, Cursor, and other AI coding tools.
An open, structured graph of 1,616 primary-school micro-topics with prerequisite dependencies and curriculum standards alignment.
Port of Poteto's pstack, a set of opinionated agent workflow skills, translated for Claude Code, Codex, Copilot, Pi, OpenCode, and Gemini.
A multi-harness collection of plugins, agents, skills, and commands for AI coding tools like Claude Code, Codex CLI, and Cursor.
A curated list of open-source video games and open-source remakes of commercial games, grouped by genre.
A free Vibe Coding course that teaches beginners to build and launch AI-assisted products from plain-language descriptions.
An open-source, animated, illustrated tutorial on data structures and algorithms with runnable code in many languages.
A curated list of LLM APIs that offer permanent free tiers for text inference, with base URLs, models, and rate limits.
Curated list and one-command installer for 750+ open-source intelligence and security tools across 50 categories.
A collection of Agent Skills for Claude Code, Cursor, Codex and other AI coding agents covering web design, retrieval, image prompting and video.
An open, bilingual Chinese-language book-guide on lifelong learning in the AI era, covering English study, AI learning, real projects, and personal recovery.
A large curated guide covering self-hosting tools, hardware, and setup walkthroughs for running software on your own servers.
Open-source mini quadruped robot built on an ESP32, with 3D-printable parts, 8 servos, and an OLED face.
A collection of 42+ runnable Jupyter notebooks, each tutorial covering an advanced technique for Retrieval-Augmented Generation systems.
A collection of Go-specific agent skills covering language, testing, security, and observability for AI coding assistants.
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.
A community-written guide covering methods and test cases for security testing web applications and web services.
Example notebooks and guides showing how to accomplish common tasks with the OpenAI API.
A beginner curriculum teaching the Model Context Protocol (MCP) with hands-on code examples in C#, Java, JavaScript, Rust, Python, and TypeScript.