Type / in the TUI to open command autocomplete. Clipboard image paste is a keybinding (Ctrl+V), not a slash command.

Built-in commands:

/sessions  Browse and attach sessions
/session   Alias for /sessions
/s         Alias for /sessions
/new       Start a new session
/n         Alias for /new
/attach    Open session selector
/attach ID Attach by session id
/a ID      Alias for /attach ID
/model     Open model selector (Ctrl+L)
/model ID  Select model by id
/effort    Open effort selector (Shift+Tab cycles effort)
/effort ID Select effort: off, minimal, low, medium, high, xhigh
/skill     Choose skill
/bg        Put the current session in the background
/background Alias for /bg
/branch    Branch from an earlier message
/clear     Clear visible messages
/compact   Compact context
/commands  Command palette
/help      Open built-in docs
/h         Alias for /help
/docs      Alias for /help
/help NAME Open a specific help topic

Plugins can add slash commands by returning modules that implement Vibe.Session.Command.Command from Vibe.Plugin.commands/1.