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Introduction
On April 24, 2025, Cursor—the AI-powered code editor that has captured developers' imaginations—dropped a dedicated SDK that lets you build agents using the same runtime, harness, and models that power Cursor itself. CEO Michael Truell calls this the “third era” of software development, driven by AI-assisted coding tools. But as with any ambitious launch, the community has mixed feelings. Developers are excited about the promise of abstracted efficiency, but they also point out several known limitations. This article breaks down ten critical things you need to know about Cursor's SDK, from its core automation features to the gotchas that might trip you up.
