Additional Resources
- Official CLI Reference - Complete command reference
- Headless Mode Documentation - Automated execution
- Slash Commands - Custom shortcuts within Claude
- Memory Guide - Persistent context via CLAUDE.md
- MCP Protocol - External tool integrations
- Advanced Features - Planning mode, extended thinking
- Subagents Guide - Delegated task execution
Part of the Claude How To guide series
Last Updated: September 6, 2026 Claude Code Version: 2.1.263 Sources:
- https://code.claude.com/docs/en/cli-reference
- https://code.claude.com/docs/en/env-vars
- https://code.claude.com/docs/en/changelog#2-1-174
- https://code.claude.com/docs/en/changelog#2-1-176
- https://code.claude.com/docs/en/changelog
- https://code.claude.com/docs/en/settings
- https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md
- https://code.claude.com/docs/en/troubleshooting
- https://code.claude.com/docs/en/commands
- https://code.claude.com/docs/en/model-config
- https://platform.claude.com/docs/en/about-claude/models/overview
- https://www.anthropic.com/news/claude-opus-4-8
- https://github.com/anthropics/claude-code/releases/tag/v2.1.117
- https://github.com/anthropics/claude-code/releases/tag/v2.1.139
- https://github.com/anthropics/claude-code/releases/tag/v2.1.142
- https://github.com/anthropics/claude-code/releases/tag/v2.1.154
- https://code.claude.com/docs/en/plugins
- https://code.claude.com/docs/en/overview
- https://code.claude.com/docs/en/sub-agents
- https://code.claude.com/docs/en/headless
- https://code.claude.com/docs/en/cli-reference.md
- https://code.claude.com/docs/en/settings.md
- https://code.claude.com/docs/en/settings-referenceCompatible Models: Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Sonnet 4.6, Claude Opus 4.8, Claude Haiku 4.5