Open Settings (Ctrl+,) and paste your Anthropic API key. Keys are stored locally on your device and never sent anywhere except the Anthropic API.
Click the folder icon in the connection bar and choose the project directory you want Hikari to work in. This gives her context for your files and project structure.
Click Connect to start a Claude Code session. The status indicator will turn green when you're connected.
Type a message and press Enter (or Ctrl+Enter) to send. Hikari can read, write, and edit files; run terminal commands; search code; fetch web content; and connect to external tools via MCP.