We're introducing the Cursor SDK so you can build agents with the same runtime, harness, and models that power Cursor.
The agents that run in the Cursor desktop app, CLI, and web app are now accessible with a few lines of TypeScript. Run it on your machine or on Cursor's cloud against a dedicated VM, with any frontier model.
Run npm install @cursor/sdk to get started and use the Cursor SDK plugin so Cursor can help you build.
This release introduces a new way to multitask with async subagents, an improved worktrees experience, and multi-root workspaces for making cross-repo changes.
Multitask in Agents Window
With /multitask, Cursor will run async subagents to parallelize your requests instead of adding them to the queue. It will also break down larger tasks into smaller chunks for a fleet of async subagents to tackle simultaneously.
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We've shipped quality-of-life improvements to the Cursor CLI to make working with agents in the terminal more delightful.
Debug Mode in CLI
Use /debug to find root causes and fix tricky bugs that are hard to reproduce or understand. In Debug Mode, Cursor generates hypotheses, adds log statements, and uses runtime information to pinpoint the issue before making a targeted fix.
/btw support in CLI
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Cursor can now respond by creating interactive canvases.
These visualizations can include dashboards and custom interfaces built using first-party components like tables, boxes, diagrams, and charts, as well as existing Cursor components like diffs and to-do lists.
In the Agents Window, canvases are durable artifacts that live in the side panel alongside the terminal, browser, and source control.
This release introduces improvements to our Agents Window interface as part of Cursor 3.
Tiled layout
Split your current view into panes to run and manage several agents in parallel. The tiled layout makes it easier to multi-task and compare outputs across agents without jumping between tabs.
Expand panes to focus on a conversation, drag agents into tiles, and use keybindings for quick navigation and organization. Your setup also persists across sessions.
Upgraded voice input
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This release introduces updates to Bugbot including the ability to self-improve in real time, MCP support, improvements to Bugbot Autofix, and the highest resolution rate to date.
Bugbot Learned Rules
Bugbot can now learn from feedback on pull requests and turn those signals into learned rules that improve future reviews.
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