How WebMCP Lets Developers Control AI Agents With JavaScript

This year, MCP (Model Context Protocol) has become the glue that connects AI to the web. Following MCP-UI and NLWeb, we now have another new MCP-related open standard: WebMCP, an initiative of Microsoft and Google.

To find out more about WebMCP, I conducted an email interview with Kyle Pflug, group product manager for the web platform at Microsoft Edge.

What Is WebMCP?

I first heard about WebMCP from Pflug’s colleague Patrick Brosset, who introduced WebMCP in a blog post as “a proposal to let you, web developers, control how AI agents…