BREAKING
WebMCP Origin Trial in Chrome 149
Sites declare tools for AI agents
From guessing to declared tools
1
Parse screenshots
↓
2
Guess the DOM
↓
3
Declare tools
↓
4
Call accurately
Two ways to register tools
Imperative API
JS
●
Define tools in JavaScript
●
Handle forms and state
Declarative API
HTML
●
Annotate existing forms
●
No server-side needed
Limits remain at trial stage
Adoption is the real test ahead
AI NEWS BLITZ
Google has launched WebMCP as an Origin Trial in Chrome 149.