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Claude Code Tutorials and Practical Guides

Covers installation, authentication, settings.json, CLAUDE.md, Plan mode, permissions, MCP, Hooks, Skills, Subagents, context costs, and troubleshooting.

Complete topics

14 articles

Open the Claude Code integration guide

LEARNING PATH

Follow the sequence or start from a problem

Every topic states its scope, operating path, evidence sources, and verification gates. Follow the sequence or enter at the problem you need to solve.

01Claude Code Installation Guide: macOS, Linux, Windows, and WSLHelp first-time Claude Code users complete a verifiable, maintainable local installation.9 min 02Your First Claude Code Task: From Understanding a Project to Verifiable ChangesHelp new users establish an effective interaction rhythm and reliable acceptance habits with Claude Code.10 min 03Common Claude Code Commands: Interactive Sessions, Recovery, Scripts, and Structured OutputHelp developers quickly find reproducible Claude Code commands without confusing interactive commands with shell commands.11 min 04Claude Code Authentication Guide: Accounts, API Keys, and LLM GatewaysHelp users choose the correct Claude Code authentication method and complete verifiable security configuration.12 min 05Claude Code settings.json: An In-Depth Guide to Scope, Precedence, and DebuggingHelp individuals and teams establish a reviewable, debuggable approach to Claude Code configuration.11 min 06Claude Code Models and LLM Gateways: An In-Depth GuideHelp users and gateway operators configure model routing correctly and distinguish "a request succeeds" from "fully compatible."15 min 07CLAUDE.md Best Practices: Help Claude Code Follow Project RulesHelp teams write concise, actionable, and verifiable persistent instructions for Claude Code.12 min 08Claude Code Prompting and Plan Mode: From Requirements to a Verification LoopHelp developers build reusable Claude Code prompting and planning practices.12 min 09Claude Code Permissions and Security: Approval Modes, Rules, and SandboxingHelp developers reduce unnecessary approval prompts without compromising code, credential, or infrastructure security.14 min 10Claude Code MCP Tutorial: Connecting Tools, Scopes, Authentication, and SecurityHelp users start with a minimal MCP connection and expand it through an auditable process.13 min 11Claude Code Hooks in Practice: Automated Formatting, Verification, and Security GatesHelp teams securely integrate repetitive validation and policy enforcement into the Claude Code lifecycle.14 min 12Claude Code Skills and Subagents: Reusable Workflows and Isolated ContextsHelp teams turn proven practices into maintainable extensions while controlling context and permissions.14 min 13Claude Code Context, Sessions, and Cost Optimization GuideHelp users maintain quality, recoverability, and predictable token consumption during long tasks.15 min 14Claude Code Troubleshooting: Installation, Authentication, Configuration, Gateways, and PerformanceProvide safe, repeatable diagnostic sequences for common Claude Code failures.14 min

Relationship between Claude Code settings.json, CLAUDE.md, Hooks, Skills, and MCP — Project memory, settings, lifecycle actions, and external capabilities each have a distinct responsibility.

Claude Code verification loop from plan mode through code changes, tests, and human review — Use plans, permissions, and automated checks to control scope before maintainer review.