Is it working across multiple websites?

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Yuxi CHEN

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Feb 28, 2026, 11:02:30 AMFeb 28
to Chrome Built-in AI Early Preview Program Discussions
Another question is, imagine that we have multiple websites who registered different tools to WebMCP, are those tools shared in the browser? 
If yes, how do you plan to avoid the tool name conflicts? 

If no, is it possible to provide a way that we make them shared in browser so that an Agent can work with multiple websites?

Thank you

Regards,
Yuxi 

François Beaufort

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Mar 2, 2026, 4:19:48 AMMar 2
to Yuxi CHEN, Chrome Built-in AI Early Preview Program Discussions
Tools are currently registered for a Document only.
If tool names conflict when dealing with multiple websites, I'd assume a simple rename would work.

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Yuxi CHEN

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Mar 4, 2026, 4:23:56 PMMar 4
to Chrome Built-in AI Early Preview Program Discussions, François Beaufort, Chrome Built-in AI Early Preview Program Discussions, Yuxi CHEN

Suppose we have a container PWA that embeds multiple web applications via iframes, each owned by a different team. It would be operationally complex to require each team to coordinate tool naming conventions.

Wouldn’t it be more scalable to introduce an application-level namespace in the tool registry to ensure proper scoping and isolation?

François Beaufort

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Mar 5, 2026, 6:30:17 AMMar 5
to Chrome Built-in AI Early Preview Program Discussions, yux...@gmail.com, François Beaufort, Chrome Built-in AI Early Preview Program Discussions
Sorry for the confusion, I meant a "simple" rename could occur at the browser level.
It could decide to prepend tool names with origin for instance.
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