Google Shuts Down Project Mariner Agentic AI Tool
Google has discontinued Project Mariner, its experimental artificial intelligence agent that performed web-based tasks on behalf of users, the company confirmed this week.
The service was shut down on May 4, effective immediately, according to a notice posted on the Project Mariner landing page. The technology underpinning the agent will be folded into other Google products, the company said.
“Thank you for using Project Mariner. It was shut down on May 4th, 2026 and its technology” is being integrated elsewhere, the landing page now reads, according to The Verge. Wired’s Maxwell Zeff first reported the shutdown, The Verge noted.
Project Mariner was Google’s entry in the agentic AI space, where software agents autonomously browse the web, fill out forms, make purchases and complete multi-step tasks with minimal human oversight. The tool allowed users to delegate complex web-based workflows to an AI assistant that could navigate sites and take actions independently.
The shutdown comes as competitors maintain standalone agentic products. OpenAI’s Operator and Anthropic’s computer use capabilities have gained traction among enterprise and consumer users in recent months.
Google has not publicly detailed which products will absorb Mariner’s underlying technology.
The shutdown continues a pattern at Google of launching experimental AI features under dedicated branding before folding them into core products or retiring them entirely.
