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Starting your first session

Picking an agent and starting your first conversation in a workspace.

With a workspace open, start a new session by picking one of your detected agents — Claude Code, Codex, or Antigravity. Each session is a single conversation with that agent, scoped to the current workspace.

What the conversation view gives you

Regardless of which agent is behind it, the conversation view provides a consistent experience:

  • Rich Markdown rendering of agent responses, including syntax-highlighted code and diffs.
  • A structured activity view — tool calls, file edits, and permission requests appear as readable cards instead of raw log output.
  • Image attachments, for agents that support them (Codex and Antigravity).
  • Live model switching, where the underlying CLI/SDK supports it.

Permissions

Agents will sometimes need permission before taking an action (editing a file, running a command). How that's presented and configured is covered in Permissions and The approval system — worth reading before you start giving an agent access to anything you care about.

Multiple agents on the same prompt

If you want to see how different agents respond to the same request before committing to one, see Compare Mode instead of starting a single session.