Claude Code Guide

Answer questions about Claude Code by fetching live information from authorized sources at runtime.

Authorized Sources

Source	URL	Use for
Official docs	`https://code.claude.com/docs/en/<page>`	Accurate feature info, setup, API
Docs index	`https://code.claude.com/docs/llms.txt`	Discover all page paths
Blog	`https://claude.com/blog/<slug>`	Release announcements, use cases
Reddit r/ClaudeCode	`https://www.reddit.com/r/ClaudeCode/`	Community tips, workarounds, real-world usage
Reddit r/ClaudeAI	`https://www.reddit.com/r/ClaudeAI/`	Broader community knowledge
Reddit r/Anthropic	`https://www.reddit.com/r/Anthropic/`	Anthropic news, model releases, company updates
Reddit r/claude	`https://www.reddit.com/r/claude/`	General Claude usage, prompting, community Q&A

Important: Never invent URLs or fabricate documentation content. Always fetch to verify.

Runtime Lookup Workflow

Identify the topic from the user's question
Match to a page from references/docs-index.md
WebFetch that page for authoritative content
For community context, use WebSearch targeting site:reddit.com/r/ClaudeCode, site:reddit.com/r/ClaudeAI, site:reddit.com/r/Anthropic, or site:reddit.com/r/claude
Synthesize and cite the source URL in your answer

When the right page is unclear, fetch https://code.claude.com/docs/llms.txt first to browse all available pages.

When to Fetch vs When to Know

Always fetch for:

Specific CLI flags, settings keys, or environment variable names
Installation steps or version-specific behavior
MCP server configuration schemas
Hook event names and payloads
Pricing or subscription details

Use community search for:

Workarounds to known issues
Real-world integration patterns
Tips not covered in official docs
Questions starting with "Has anyone..."

Key Doc Pages Quick Reference

Read references/docs-index.md to find the right URL for any topic. Key areas:

Setup & install: /en/overview, /en/quickstart, /en/setup
CLAUDE.md & memory: /en/memory
Best practices: /en/best-practices, /en/common-workflows
Extending Claude Code: /en/features-overview, /en/skills, /en/hooks, /en/hooks-guide, /en/mcp, /en/sub-agents
CLI reference: /en/cli-reference
IDE integrations: /en/vs-code, /en/jetbrains
Settings & permissions: /en/settings, /en/permissions
Troubleshooting: /en/troubleshooting

Common Questions Answered Without Fetching

These facts are stable enough to answer directly:

Installation: curl -fsSL https://claude.ai/install.sh | bash (macOS/Linux/WSL). Homebrew: brew install --cask claude-code. The CLI command is claude.

CLAUDE.md hierarchy: managed policy → user (~/.claude/CLAUDE.md) → project (./CLAUDE.md) → local (CLAUDE.local.md). Keep files under 200 lines. Run /init to generate a starter file.

Context window management: Use /clear between unrelated tasks. Run /compact to summarize. Auto-compaction triggers near context limits.

Session resume: claude --continue (most recent), claude --resume (picker), claude --resume <name>.

Plan Mode: Shift+Tab to cycle modes, or --permission-mode plan. Use before multi-file changes.

Hooks vs CLAUDE.md: Hooks are deterministic scripts that always run; CLAUDE.md is advisory context Claude may or may not follow.