Release notes

This page provides information about updates to the Developer Knowledge API and Developer Knowledge MCP server. Check this page for announcements about new or updated features, bug fixes, and known issues.

March 20, 2026

  • Document messages now include title and description fields, denoting the title and description of the document.

March 15, 2026

  • Fixed an issue where Document.uri values lacked a scheme. They now include a https:// prefix.

March 8, 2026

  • The MCP Tools get_document and batch_get_documents have been removed. They are replaced by a new get_documents MCP Tool.

February 18, 2026

  • After March 17, 2026, when you enable the Developer Knowledge API, the Developer Knowledge MCP server is automatically enabled.

February 4, 2026

  • The Developer Knowledge API and Developer Knowledge MCP server are now in Public Preview. Use the API and MCP server to give AI-powered development tools the ability to search and retrieve Google's official developer documentation.