Resources

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

98 resources across 49 tools

24 results

Product-Manager-Skills
GeneralGuideIntermediate3 min read

Product-Manager-Skills

Product Management skills framework built on battle-tested methods for Claude Code, Cowork, Codex, and AI agents. OpenTools classifies it as a resource because it is a reusable skills framework rather than a standalone software product.

General
Caveman Claude Code Skill
ToolGuideIntermediate3 min read

Caveman Claude Code Skill

Caveman is a Claude Code skill that intentionally compresses communication style to reduce token use while keeping instructions understandable for coding work.

Claude Code
marketingskills Agent Skills Guide
GeneralGuideIntermediate3 min read

marketingskills Agent Skills Guide

marketingskills is a GitHub resource library of marketing-focused Agent Skills for Claude Code, Codex, Cursor, Windsurf, and AI agents.

Ai Agent Resources
Claude Code Skills and Custom Commands: Extend Claude's Capabilities
ToolGuideIntermediate8 min read

Claude Code Skills and Custom Commands: Extend Claude's Capabilities

Build reusable skills and slash commands for Claude Code. Package workflows, templates, and scripts that load on demand without bloating context.

Claude Code
Awesome GitHub Copilot - Custom Agents, Skills & Plugins Collection
ToolReferenceIntermediate12 min read

Awesome GitHub Copilot - Custom Agents, Skills & Plugins Collection

A community-created collection of custom agents, instructions, skills, hooks, workflows, and plugins to supercharge your GitHub Copilot experience. 31K+ GitHub stars.

Github Copilot
Neural Networks: Zero to Hero Guide
GeneralGuideIntermediate3 min read

Neural Networks: Zero to Hero Guide

A builder-focused guide to Andrej Karpathy's Neural Networks: Zero to Hero course repository for learning neural networks from first principles.

Ai Education
Claude Code vs Cursor vs GitHub Copilot: 2026 Comparison
ToolComparisonIntermediate8 min read

Claude Code vs Cursor vs GitHub Copilot: 2026 Comparison

Side-by-side comparison of Claude Code, Cursor, and GitHub Copilot. Features, codebase depth, pricing, and when to choose each tool.

Claude Code
Google Gemma Cookbook
LLMReferenceIntermediate3 min read

Google Gemma Cookbook

Google Gemma Cookbook is a collection of examples, guides, and notebooks for working with Google’s Gemma open model family.

Gemma 4 26b A4b
Mastering AGENTS.md: Codex Custom Instructions
ToolGuideIntermediate8 min read

Mastering AGENTS.md: Codex Custom Instructions

Complete guide to AGENTS.md for OpenAI Codex — discovery hierarchy, override files, fallback filenames, /init scaffold, size limits, verification, and troubleshooting.

Codex
System Prompts and Models of AI Tools Reference
GeneralReferenceIntermediate2 min read

System Prompts and Models of AI Tools Reference

A high-signal GitHub reference collection for studying system prompts, internal tool specs, and model patterns across popular AI products.

Ai Developer Resources
Claude Code MCP: Connect External Tools and Data Sources
ToolGuideIntermediate8 min read

Claude Code MCP: Connect External Tools and Data Sources

Connect Claude Code to databases, browsers, APIs, and external tools using the Model Context Protocol. Setup guides for popular servers and troubleshooting.

Claude Code
Self-LLM Open Model Guide
GeneralGuideIntermediate3 min read

Self-LLM Open Model Guide

A Chinese-language guide for fine-tuning and deploying open LLMs and multimodal models on Linux.

Self Llm
reference

Ai System Prompts

GeneralReferenceIntermediate3 min read

System Prompts Leaks Reference Collection

A public GitHub reference collection of extracted system prompts from major AI tools, useful for studying prompt design, agent behavior, and safety patterns.

Ai System Prompts
Everything Claude Code (ECC) - Configuration Framework & Toolkit
ToolIntermediate15 min read

Everything Claude Code (ECC) - Configuration Framework & Toolkit

The ultimate configuration framework for Claude Code with 28 subagents, 119 skills, 60 commands, and AgentShield security scanner. 168K GitHub stars.

Claude Code
Impeccable
GeneralGuideIntermediate3 min read

Impeccable

impeccable is a source-backed AI engineering resource. The design language that makes your AI harness better at design.

Ai Engineering
Claude Cookbooks: Official Recipes and Notebooks by Anthropic
ToolReferenceIntermediate5 min read

Claude Cookbooks: Official Recipes and Notebooks by Anthropic

Anthropic's official collection of Jupyter notebooks and code recipes demonstrating practical Claude usage patterns including agents, tool use, RAG, and multimodal capabilities.

Claude Code
Compound Engineering Plugin
GeneralGuideIntermediate3 min read

Compound Engineering Plugin

compound-engineering-plugin is a source-backed AI engineering resource. Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more

Ai Engineering
Claude Code Tips Guide
ToolGuideIntermediate2 min read

Claude Code Tips Guide

Claude Code Tips is a practical collection of 45 workflow tips, scripts, commands, and patterns for using Claude Code more effectively.

Claude Code
OpenAI Plugins Example Repository
OrganizationReferenceIntermediate2 min read

OpenAI Plugins Example Repository

A curated OpenAI repository showing Codex plugin examples, manifests, skills, app integrations, commands, hooks and MCP-backed workflow patterns.

Openai
AI Engineering Book Resources
GeneralGuideIntermediate2 min read

AI Engineering Book Resources

A public companion repository with supporting materials for Chip Huyen’s AI Engineering book and practical AI engineering study paths.

Ai Engineering
superpowers-zh AI Coding Skills
ToolGuideIntermediate3 min read

superpowers-zh AI Coding Skills

superpowers-zh is a Chinese enhanced edition of the Superpowers AI coding workflow, with localized material and original skills for AI coding tools.

Claude Code
AI Engineering Hub: LLM, RAG, and Agent Tutorials
GeneralGuideIntermediate4 min read

AI Engineering Hub: LLM, RAG, and Agent Tutorials

A practical GitHub resource for developers learning LLM, RAG, and AI agent engineering through hands-on tutorials and examples.

Ai Engineering Hub
Made-With-ML Production ML Course
GeneralGuideIntermediate2 min read

Made-With-ML Production ML Course

A practical course and code repository for learning how to design, develop, deploy and iterate on production-grade machine learning applications.

Machine Learning
Claude Code Hooks: Automate Your Workflow with Lifecycle Events
ToolGuideIntermediate8 min read

Claude Code Hooks: Automate Your Workflow with Lifecycle Events

Run shell commands, HTTP requests, and MCP tools automatically at key points in Claude Code's lifecycle. Build auto-format, lint gates, and audit trails.

Claude Code