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sdk

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JUL 02, 2026

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The Cursor SDK and the year the coding agent stopped being an editor

Notion embedded coding agents into its workspace in a few weeks with the Cursor SDK, which turns the harness behind Cursor into a callable runtime so an @mention can plan, build, test and open a PR, a bigger shift than any model release.

What you can actually build with Cursor's SDK

Cursor shipped @cursor/sdk in public beta on April 29, putting the same harness that powers the IDE behind a TypeScript API, and this working developer's tour covers every surface with code, gotchas and ideas.