WebMCP
WebMCP lets a web page give AI agents JavaScript tools through a registerTool() API in the browser, so an agent can act on a site through functions the site defines rather than by scraping. It is a draft Community Group report and the planned deliverable of a proposed W3C Agentic Web Working Group.
Providers that carry WebMCP 4
These providers' own APIs.json profiles carry WebMCP as a tag — the provider's statement that the standard is part of what it does. APIs.io has not verified the implementation on this page; the de facto profiles on this site are where that measurement exists. Ordered by Kin Score.
Read from the API Evangelist standards directory, facts verified 2026-10-13. Provider links come from the catalog's own identity tags and are rebuilt nightly. If this page is wrong about a standard or a provider, say so.