Give any website a WebMCP interface

Today we are launching a developer preview of WebMCP on Cloudflare. Switch it on and browser agents can start working with your site, with no code and nothing changed at your origin. Cloudflare adds a small bridge to your pages, which registers a set of tools for a visitor’s agent to use.

The web was built on the assumption that there is a person on the other end: someone to read the page, click buttons, and fill in the forms. But now more and more visits come from AI agents instead, to an Internet made for humans. The usual approach has been crawlers, which copy content back to a server and, too often, give the original site none of the traffic and little of the credit. There is a better way, and it does not involve scraping.

WebMCP is a new browser standard, shipping experimentally in Chrome 146, that shows up in the page as document.modelContext. A site can choose to expose a set of tools for agents running in the browser, meaning agents no longer have to guess their way through a page built for humans. This enables agents to have a different browsing experience from the user Continue reading