Resources

Deep-dive guides, tutorials, and practical documentation for the AI tools you use every day.

176 resources across 79 tools

24 results

Transformer Explainer: Visual Guide to LLM Transformers
GeneralGuideBeginner4 min read

Transformer Explainer: Visual Guide to LLM Transformers

Interactive visualization resource for learning how transformer-based LLMs process tokens, attention, layers, and predictions.

Llm Education
Anatomy Agent Skill Guide
GeneralGuideBeginner4 min read

Anatomy Agent Skill Guide

A practical guide to Anatomy, the agent skill that creates interactive isometric SVG and WebGL explanations for technical systems.

Agent Skills
big-arrow-on-the-screen Guide for AI Agents
GeneralGuideBeginner3 min read

big-arrow-on-the-screen Guide for AI Agents

Practical guide to big-arrow-on-the-screen, the macOS CLI and Claude/Codex skill that lets agents point at UI targets for humans.

Ai Builder Resources
shadcn AI Chatbot Template Guide
GeneralGuideBeginner2 min read

shadcn AI Chatbot Template Guide

A practical guide to the shadcn-ui chatbot template for building streaming AI chat apps with Next.js, AI SDK, shadcn UI, and Vercel AI Gateway.

Ai Builder Resources
Cali Castle Agent Skills Guide
GeneralGuideBeginner5 min read

Cali Castle Agent Skills Guide

A practical guide to Cali Castle Agent Skills, including Signal Geometry, Chalk Logic, installation commands, usage patterns, and limits.

Agent Skills
awesome-claude-video-skills
GeneralGuideBeginner3 min read

awesome-claude-video-skills

A curated GitHub list of open-source Claude Code, Codex, and agent video-making skills and toolkits, with repository grouping and security grading.

Awesome Claude Video Skills
AI Engineering Course
GeneralGuideBeginner3 min read

AI Engineering Course

A free GitHub curriculum that teaches AI engineering from ML foundations through LLMs, RAG, agents, inference, evaluation, safety, and system design.

Ai Engineering Course
Notion Mail preservation worksheet: inventory, rebuild and verify
GeneralGuideBeginner7 min read

Notion Mail preservation worksheet: inventory, rebuild and verify

Three editable worksheets help you inventory Notion Mail-only material, map views to a replacement workflow and verify the saved results before shutdown. Includes CSVs and a complete ZIP.

Email
Claude Plugins Community: Marketplace for Claude Code Plugins
OrganizationReferenceBeginner2 min read

Claude Plugins Community: Marketplace for Claude Code Plugins

Claude Plugins Community is Anthropic’s read-only mirror of the community plugin marketplace for Claude Cowork and Claude Code, including the install source for approved community plugins.

Anthropic
Claude Quickstarts: Starter Projects for the Claude API
OrganizationQuickstartBeginner3 min read

Claude Quickstarts: Starter Projects for the Claude API

Anthropic’s Claude Quickstarts repository gives developers deployable starter projects for building support agents, analysts, computer-use demos, and browser-use apps with the Claude API.

Anthropic
Databricks AI Bootcamp Capstone Project Ideas
OrganizationGuideBeginner2 min read

Databricks AI Bootcamp Capstone Project Ideas

A practical guide to Databricks AI Bootcamp Capstone, a project-brief repository for Spark data apps, retrieval, frontend work, and AI agents.

Databricks
Sepia De-AI Writing Skill Guide
GeneralGuideBeginner3 min read

Sepia De-AI Writing Skill Guide

A practical guide to Sepia, the Agent Skills-compatible de-AI writing skill for improving generated prose in Claude Code, Codex, and related workflows.

Agent Skills
Hands-On Machine Learning 3
GeneralGuideBeginner3 min read

Hands-On Machine Learning 3

Hands-On Machine Learning 3 is a public Jupyter notebook series for learning practical machine learning and deep learning in Python with Scikit-Learn, Keras, and TensorFlow 2.

Machine Learning
ADK Samples: Runnable Agent Recipes for Google ADK
OrganizationGuideBeginner3 min read

ADK Samples: Runnable Agent Recipes for Google ADK

Google ADK Samples is a public collection of runnable agent recipes that teach Agent Development Kit patterns for OAuth, memory, guardrails, RAG, customer service, and research workflows.

Google
i-have-adhd Agent Skill Guide
GeneralGuideBeginner3 min read

i-have-adhd Agent Skill Guide

Guide to the i-have-adhd coding-agent skill, including what it changes, where it fits, and how developers can adopt it for clearer agent output.

Ai Agent Skills
awesome-mcp-servers
GeneralReferenceBeginner3 min read

awesome-mcp-servers

A collection of MCP servers. OpenTools treats it as a practical MCP discovery resource for builders, with source-backed usage and verification notes.

General
ML-From-Scratch
GeneralGuideBeginner3 min read

ML-From-Scratch

Machine Learning From Scratch. Bare bones NumPy implementations of machine learning models and algorithms with a focus on accessibility. Aims to cover everything from linear regression to deep learning. OpenTools treats it as an educational machine-learning resource for builders, with source-backed usage and verification notes.

General
awesome-cursorrules: Cursor Rules Collection for AI Coding
GeneralGuideBeginner5 min read

awesome-cursorrules: Cursor Rules Collection for AI Coding

A practical guide to the awesome-cursorrules repository, a curated set of configuration files for improving Cursor AI editor behavior across languages and frameworks.

Ai Builder Resources
Humanizer AI Writing Skill Guide
GeneralGuideBeginner3 min read

Humanizer AI Writing Skill Guide

A practical guide to the Humanizer agent skill, which rewrites AI-sounding text while preserving source claims, code, data, links, and writer intent.

Ai Writing
Forward Implementation First Agent Skill Guide
GeneralGuideBeginner3 min read

Forward Implementation First Agent Skill Guide

Guide to the forward-implementation-first agent skill, including its action classification model and when to use it in agentic pipelines.

Ai Agent Skills
prompts.chat Open-Source Prompt Library Guide
GeneralGuideBeginner3 min read

prompts.chat Open-Source Prompt Library Guide

A guide to prompts.chat, the open-source prompt library formerly known as Awesome ChatGPT Prompts, including when to use it and how teams can self-host it.

Prompt Engineering
llm-zoomcamp
GeneralBeginner3 min read

llm-zoomcamp

LLM Zoomcamp - a free online course about real-life applications of LLMs. In 10 weeks you will learn how to build an AI system that answers questions about your knowledge base. OpenTools classifies it as a practical AI-builder resource with source-backed setup and learning notes.

General
Pytorch Deep Learning Resource Guide
GeneralGuideBeginner4 min read

Pytorch Deep Learning Resource Guide

Materials for the Learn PyTorch for Deep Learning: Zero to Mastery course.

General
Anthropic Courses: Claude API, Prompting, Evals, and Tool Use
OrganizationGuideBeginner3 min read

Anthropic Courses: Claude API, Prompting, Evals, and Tool Use

Anthropic Courses is the official Anthropic educational repository for Claude API fundamentals, prompt engineering, real-world prompting, prompt evaluations, and tool use.

Anthropic