Guides

Practical guides to AI-assisted development, terminals, and coding workflows.

Book of Spells
the crystl guild

Crystl's Book of Spells

Master crystl with a grimoire of powerful prompts. Summon heroes, assemble a party, revive shards, and complete epic quests.

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What Is Claude Code? A Practical Guide

Claude Code is a command-line AI coding assistant from Anthropic that works directly in your terminal. Learn what it does, how it works, and how to get started.

AI Coding Assistants in 2026: A Practical Overview

A guide to the current landscape of AI coding assistants: what they do, how they differ, and how to choose the right one for your workflow.

How to Configure Claude Code with CLAUDE.md, AGENTS.md, and Skills

Learn how to use CLAUDE.md, AGENTS.md, and SKILL.md files to configure Claude Code for your projects. Understand what each file does and how to manage them with the crystl Library.

How to Set Up Your Terminal for AI-Assisted Development

A practical guide to configuring your terminal environment for AI coding tools like Claude Code, including shell setup, workflows, and productivity tips.

Managing Multiple AI Coding Sessions Without Losing Track

How to run multiple AI coding agents across projects without losing context. Strategies for organizing sessions, tracking progress, and avoiding conflicts.

How to run AI coding agents for longer without babysitting them

Your coding agent keeps stopping. Usually it's just waiting on you. Here's how to keep it (or a whole team of them) working for hours instead of minutes.

Git Worktrees for Parallel AI Development

How to use git worktrees to run multiple AI coding agents on the same repository without conflicts. A practical guide with examples.

Terminal Emulators: How to Choose the Right One

A guide to choosing a terminal emulator for coding with AI. Compare popular options and learn what features matter most for modern workflows.

AI Pair Programming: How It Works and How to Do It Well

A practical guide to pair programming with AI coding assistants. Learn the workflow, best practices, and how to get better results from AI-assisted development.

Using AI for Code Review and Quality

How to use AI coding assistants for code review, catching bugs, and improving code quality. Practical techniques and workflow tips.

Multi-Agent Development with crystl Quest

How to run multiple AI coding agents on the same project simultaneously using crystl Quest. Covers party setup, open vs sealed mode, hero roles, quest chat, and remote SSH workflows.

Claude Code Project Setup: Every Config File Explained

A complete reference for setting up a Claude Code project: settings.json, CLAUDE.local.md, .mcp.json, hooks, permissions, and the full configuration hierarchy.