Gemini Code Assist tools are no longer available and are replaced by agent mode

October 14, 2025

Breaking
Gemini Code Assist tools are no longer available and are replaced by agent mode (Preview)
Effective October 14, 2025, Gemini Code Assist tools are no longer available. This completes the deprecation process that was announced on October 2, 2025.

Using the @ symbol followed by the name of a tool no longer connects to Gemini Code Assist tools.

To connect to external services, use Model Context Protocol (MCP) servers in Gemini Code Assist agent mode.