When Cursor released its TypeScript SDK on April 29, 2026, it changed the framing of what a coding assistant is. Before the SDK, Cursor agents lived inside the IDE. After it, they're programmable infrastructure — agents you can invoke from a CI pipeline, a cron job, or a backend service with the same capabilities as the desktop app. This guide covers what the Cursor SDK actually is, how its deployment model works, and how to wire it into real workflows. Effloow Lab verified that @cursor/sdk v1.0.12 is installable and inspected its public API surface as part of this write-up (see data/lab-runs/cursor-sdk-typescript-agent-deployment.md for the raw commands and outputs). What the Cursor SDK Is (and Isn't) The Cursor SDK ( @cursor/sdk ) is a TypeScript package that gives you programmatic access to the same agent runtime that powers the Cursor desktop app, CLI, and web interface.…