Resources
Deep-dive guides, tutorials, and practical documentation for the AI tools you use every day.
108 resources across 52 tools
24 results
General
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.
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.
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-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.
llm-universe - Large Language Model Application Course
A beginner-friendly large language model application development course from Datawhale China, reviewed as an OpenTools learning resource.
hello-agents AI Agent Course
A practical guide to using Datawhale China’s hello-agents course as a structured learning path for AI agent principles, examples, and implementation patterns.
A2A Protocol Guide for Agent Interoperability
A practical overview of the Agent2Agent protocol, why it matters for multi-agent systems, and how builders should evaluate it.
Web Quality Skills for AI Agents
Web Quality Skills for AI Agents is a source-backed GitHub resource for builders using agent skills to audit Lighthouse, Core Web Vitals, accessibility, SEO, and frontend quality checks.
Awesome Claude Code Resource Guide
A practical guide to Awesome Claude Code, a curated GitHub list of Claude Code skills, hooks, slash commands, agent orchestrators, apps, and plugins.
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.
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.
Dive into LLMs Practical Guide
A Chinese-language open-source tutorial series for hands-on LLM programming and practice.
AI for Beginners
AI-For-Beginners is Microsoft’s twelve-week, twenty-four-lesson curriculum for learning AI fundamentals with structured lessons and hands-on practice.
Complete Agentic AI Engineering Course Repository
A guide to Ed Donner’s agents repository, which supports a six-week Agentic AI Engineering course using OpenAI Agents SDK, CrewAI, LangGraph, AutoGen, and MCP.
Machine Learning Interviews Study Guide
A practical guide to the Machine-Learning-Interviews repository for ML, AI engineering, deep learning, and system-design interview prep.
Generative AI for Beginners Course Guide
Microsoft’s free Generative AI for Beginners course teaches 21 lessons for building AI apps with Python, TypeScript, Azure OpenAI, GitHub Models, and OpenAI.
Microsoft ML-For-Beginners Curriculum
A practical guide to Microsoft ML-For-Beginners, a free 12-week curriculum for classic machine learning with Python and scikit-learn.
Hands On Ai Engineering
Hands-On AI Engineering Projects
The repository is a curated collection of practical AI engineering projects covering OCR systems, RAG apps, AI agents, audio applications, multimodal workflows, and production-oriented examples. The GitHub summary reports about 2.1k stars, MIT licensing, and recent activity in June 2026.
Happy LLM From-Scratch Course
Happy LLM From-Scratch Course is a source-backed GitHub resource for AI builders. OpenTools verified the upstream repository, public metadata, and latest activity before publishing this guide.
agent-skills: Production Engineering Workflows for AI Coding Agents
A practical guide to addyosmani/agent-skills, a Markdown skill pack that gives AI coding agents specs, plans, tests, reviews, and release gates.
DESIGN.md Guide for AI Agent Design Systems
A practical guide to Google Labs Code DESIGN.md, the Markdown-and-YAML format that gives coding agents structured design-system context.
Hallmark Guide: Anti-AI-Slop Design for Claude Code, Cursor, and Codex
A practical guide to Hallmark, an open-source design skill that helps coding agents produce less generic UI work.