Try WebMCPAN OPEN EXPERIMENT

FROM EXAMPLE TO IMPLEMENTATION

A guide to the callable web.

Understand the current APIs, connect a supported browser, and build tools that match your application.

FOUNDATIONS

What is WebMCP?

Understand WebMCP, how browser tools work, and when to use WebMCP versus a remote MCP server.

GET CONNECTED

WebMCP browser support & setup

Check WebMCP API availability and learn how to enable native tools, distinguish local runs, and diagnose registration failures.

IMPLEMENTATION

Build a WebMCP tool with JavaScript

Implement document.modelContext.registerTool with runtime validation, shared application state, error responses, and lifecycle cleanup.

IMPLEMENTATION

WebMCP Tutorial: Build an Appointment Booking Flow

Learn how to connect WebMCP tools to appointment availability, visible confirmation, reservation lookup and cancellation using a working booking playground.

API PATTERNS

Imperative vs declarative WebMCP

Compare JavaScript tool registration with annotated HTML forms and choose an appropriate WebMCP pattern.

SEARCH & DISCOVERY

WebMCP and SEO: discovery vs action

Plan SEO for a WebMCP demo site without assuming tool registration guarantees rankings or AI visibility.