Madrid Day Spa by Nuilea

1. In Chrome 150 or later, turn on WebMCP for testing at chrome://flags/#enable-webmcp-testing and relaunch.
2. Install the Model Context Tool Inspector extension.
3. Open madrid-day-spa.com, open the inspector, pick get_availability and run it with this input:

   {
     "treatmentId": "MA-7-0",
     "from_date": "2026-09-21"
   }

No extension? In DevTools, open Application, then WebMCP, pick the tool and click Run tool. If the pane isn't there, also turn on chrome://flags/#devtools-webmcp-support.

The inspector is a developer tool, and its maker advises against using it on sites you don't trust. Chrome's WebMCP guide