Resources

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

140 resources across 66 tools

24 results

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
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
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
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
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
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
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
Awesome Free LLM APIs Reference
GeneralReferenceBeginner1 min read

Awesome Free LLM APIs Reference

A reference guide to the awesome-free-llm-apis list of permanent free LLM API providers and OpenAI-compatible endpoints.

Llm Apis
diagram-design for Claude Code diagrams
ToolGuideBeginner3 min read

diagram-design for Claude Code diagrams

A practical guide to diagram-design, the Claude Code plugin and agent-skill resource for creating editorial HTML and SVG diagrams without Mermaid defaults.

Claude Code
buildwithclaude
GeneralGuideBeginner3 min read

buildwithclaude

A single hub to find Claude Skills, Agents, Commands, Hooks, Plugins, and Marketplace collections to extend Claude Code, Claude Desktop, Agent SDK and OpenClaw OpenTools classifies it as a developer resource because it is a Claude extension and agent workflow hub, not a single tool or model.

General
reference

Ai Ml Education

GeneralReferenceBeginner3 min read

Awesome Free University AI/ML Course Notes

A curated GitHub index of official, free, written AI and machine-learning course notes from universities, filtered for prose quality and primary-source links.

Ai Ml Education
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
awesome-claude-code-subagents
GeneralGuideBeginner3 min read

awesome-claude-code-subagents

A collection of 100+ specialized Claude Code subagents covering a wide range of development use cases OpenTools classifies it as a developer resource because it is a Claude extension and agent workflow hub, not a single tool or model.

General
AIMLInterviews: AI and Machine Learning Interview Prep Guide
GeneralGuideBeginner3 min read

AIMLInterviews: AI and Machine Learning Interview Prep Guide

AIMLInterviews is a GitHub study guide for machine learning and AI technical interview preparation, useful as a topic checklist and practice map.

Ai Ml Interviews
Micrograd Autograd Engine Reference
GeneralReferenceBeginner5 min read

Micrograd Autograd Engine Reference

A source-backed guide to Andrej Karpathy’s micrograd repository, a tiny educational autograd engine and neural-network library with a PyTorch-like API.

Ai Development
guide

General

GeneralGuideBeginner2 min read

letsfinddomain-skill Domain Research Guide

A practical guide to the read-only AI skill for finding domain names, checking availability in bulk, and comparing renewal prices from registrars.

General
OpenAI Cookbook - Examples and Guides for the OpenAI API
ToolReferenceBeginner45 min read

OpenAI Cookbook - Examples and Guides for the OpenAI API

The official OpenAI Cookbook is a comprehensive collection of examples, guides, and best practices for using the OpenAI API. Covers GPT-4, ChatGPT, embeddings, fine-tuning, and more.

Openai
Claude Code in Your IDE: VS Code, JetBrains, and Desktop App
ToolGuideBeginner6 min read

Claude Code in Your IDE: VS Code, JetBrains, and Desktop App

Set up Claude Code in VS Code, JetBrains IDEs, the Desktop app, or Web mode. Compare surfaces and find the right one for your workflow.

Claude Code
Awesome Copilot: Community Instructions, Agents and Skills
ToolReferenceBeginner5 min read

Awesome Copilot: Community Instructions, Agents and Skills

Community-contributed collection of GitHub Copilot instructions, agents, skills, and configurations to help you get the most out of GitHub Copilot in your workflow.

Github Copilot
OpenAI Codex Quick Start Guide
ToolQuickstartBeginner6 min read

OpenAI Codex Quick Start Guide

Get Codex running in under 5 minutes. Covers CLI installation on every platform, authentication with ChatGPT or API keys, your first tasks, the desktop app, Codex Cloud, and IDE extensions.

Codex
Claude Cookbooks - Recipes & Guides for Building with Claude
ToolGuideBeginner15 min read

Claude Cookbooks - Recipes & Guides for Building with Claude

A comprehensive collection of Jupyter notebooks and code recipes showcasing effective ways to use Claude for classification, RAG, summarization, tool use, vision, and more.

Claude
Awesome LLM Apps: Runnable Agent and RAG Templates
GeneralGuideBeginner2 min read

Awesome LLM Apps: Runnable Agent and RAG Templates

A practical guide to Awesome LLM Apps, the GitHub repository of runnable AI agent, RAG, MCP, voice agent, and fine-tuning templates.

Awesome Llm Apps