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Cursor·Aug 5, 2026·v1.0.27·open source

SDK Bridge

The Cursor SDK Bridge is an open-source protocol and local server that enables developers to drive Cursor agents from any programming language. By providing a stable sdk.v1 protobuf contract, it allows languages like Rust, Go, and Java to interact with Cursor's agent runtime without requiring direct dependency on the official TypeScript or Python SDKs.

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overview

The Cursor SDK Bridge is an open-source protocol and local server that enables developers to drive Cursor agents from any programming language. By providing a stable sdk.v1 protobuf contract, it allows languages like Rust, Go, and Java to interact with Cursor's agent runtime without requiring direct dependency on the official TypeScript or Python SDKs.

key features
  • 01Stable sdk.v1 protobuf contract for language-agnostic agent control
  • 02Local server architecture that embeds the official Cursor TypeScript SDK
  • 03Full support for agent lifecycle management, including creation, resumption, and streaming runs
  • 04Extensible callback services for custom tools and agent stores
  • 05Connect/gRPC-Web communication over HTTP/1.1 for broad compatibility
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