Claude Code Setup Guide

Note: This guide is for developers setting up Claude Code. AI agents should ignore this file.

Installation

1. CLI: Check the official https://code.claude.com/docs/en/setup doc

2. IntelliJ Plugin: Install "Claude Code [Beta]" from the plugin marketplace

3. MCP Server: Settings | Tools | MCP Server → Click "Auto-Configure for Claude Code"

Verification

• /mcp Claude command — Verify JetBrains MCP is enabled
  • If missing, check .claude/settings.local.json file for disabledMcpjsonServers or deniedMcpServers
• /model Claude command — Ensure Opus 4.5 is selected (Sonnet 4.5 is less capable)
• The configured MCP server might have different names, but you might want to rename it to jetbrains for consistency

Thinking Mode

Thinking is on by default in CC >2.0.70 and it's discouraged to turn it off.

Previously claude required prompting it to "think harder" or "ultrathink" – it's now not required

Local Preferences

../.claude/local.md file can be used to store local preferences