# Cursor agent-sdk — Release & Upgrade Intelligence
- **Product:** Cursor (https://cursor.com)
- **Version:** agent-sdk
- **Released:** Oct 20, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/cursor/updates/agent-sdk/

## Executive Summary (TL;DR)
Cursor agent-sdk. Source highlight: The Agent SDK is available today. It allows you to define an agent as a folder of code, test it with evals, and deploy it to Cursor or your own infrastructure.