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Cursor 3 Agent-First Coding Workspace

Released by Cursor on 2 April 2026 and described as a unified workspace for building software with agents: a new interface built from scratch around agents, faster and cleaner, with a multi-repo layout, seamless handoff between local and cloud agents and the option to switch back to the Cursor IDE anytime

Tool Overview

Features, steps and FAQ below

Features

  • ✓ All your agents in one place: Cursor says the new interface is inherently multi-workspace, letting humans and agents work across different repos
  • ✓ Run many agents in parallel: Cursor says all local and cloud agents appear in the sidebar, including ones started from mobile, web, desktop, Slack, GitHub and Linear, with cloud agents producing demos and screenshots for you to verify
  • ✓ Local and cloud handoff: Cursor says you can move an agent session from cloud to local to edit and test on your own desktop (Composer 2, its frontier coding model, is great for iterating quickly), or from local to cloud so long-running tasks keep going while you are offline
  • ✓ Go from commit to merged PR: Cursor says the new diffs view lets you edit and review changes faster, and when ready you can stage, commit and manage PRs
  • ✓ Extensible: Cursor says the integrated browser can open, navigate and prompt against local websites, and the Cursor Marketplace offers hundreds of plugins (MCPs, skills, subagents and more) installed with one click or via a team marketplace

How to Use

  1. Upgrade Cursor to the latest version
  2. Open the Agents Window with Cmd+Shift+P (or File → New Agent Window)
  3. Launch and manage local and cloud agents from the sidebar and assign tasks in parallel
  4. Review the diffs and demos agents produce, move sessions between local and cloud as needed, then commit and merge PRs

FAQ

What is Cursor 3?

Released by Cursor on 2 April 2026, it is described as a unified workspace for building software with agents, featuring a new interface built from scratch and centred around agents.

How is it different from a traditional IDE?

Cursor says the new interface is agent-first and inherently multi-workspace, pulling you to a higher level of abstraction while letting you switch back to the Cursor IDE and view files in the editor anytime.

How do I open the new interface?

Cursor says to upgrade the app and type Cmd+Shift+P, then search for and open the Agents Window.

Can I move between local and cloud?

Yes. Cursor says you can move a session from cloud to local to edit and test yourself, or from local to cloud so longer-running tasks keep going while you are offline.

Does it have its own model?

Cursor says Composer 2, its own frontier coding model, comes with high usage limits and is great for iterating quickly.