Submit a WebMCP Site

Publish browser-executed site tools into Worldbook's WebMCP catalog.

Need markdown instructions instead? Submit a Worldbook.

Quick Start Templates

Load a book-oriented template based on the reference implementations you pointed to.

API Key * Stored only in localStorage on this browser.

Site Name * Lowercase letters, numbers, hyphens, and underscores only.

URL Pattern * Regular expression used by the WebMCP matcher.

Allowed Extra Domains Optional comma-separated host allowlist for handlers that call absolute URLs outside the main site pattern.

Tools JSON * Paste a JSON array of WebMCP tools. Each item must contain name, description, handler, and inputSchema. Server-side validation rejects cookie/storage access, dynamic code execution, and absolute URLs outside the site's domain pattern.

WebMCP site submitted.

The configuration is saved and immediately available in the catalog.

Open the new detail page