Google shuts down Project Mariner
Google shut down Project Mariner. Here's where the tech went.

Why it matters
Google is consolidating its web-agent capabilities into existing products (Gemini Agent) rather than maintaining a standalone tool. This signals a shift in how Google is productizing agentic AI—moving from experimental features to integrated enterprise workflows.
The key facts
9 to knowProject Mariner shut down May 4, 2026
Launched December 2024
Last update: capability to perform up to 10 tasks at a time
Technology integrated into Gemini Agent and other Google AI products
Timeline: ~17 months from launch to shutdown
Originally launched December 2024
Had capability to perform up to 10 tasks at once
Technology migrated to Gemini Agent and other Google AI products
Feature was experimental web-task automation tool
Go to the source
The Verge AItheverge.com
Publisher excerpt: Google has pulled the plug on Project Mariner, an experimental feature designed to perform tasks for you across the web, as reported earlier by Wired's Maxwell Zeff. The Project Mariner landing page now contains a message that says: "Thank you for using Project Mariner. It was shut down on May 4th,…