browser_webmcp

WebMCP: pages can expose typed tools to agents via navigator.modelContext. list reports what the page exposes (or that it exposes nothing); invoke calls one by name.

The tool names stay the same across browsers. See browser selection and Firefox and Zen exceptions before choosing an operation.

Parameters

integer

Target tab id from browser_tabs, which lists tabs across all windows. Defaults to the agent’s most recently opened usable tab, or the only usable tab. Otherwise select a listed tabId.

enum

default:"list"

required

One of: list, invoke.

string

object

Example

{
  "tabId": 1234,
  "action": "list"
}

{
  "tabId": 1234,
  "action": "invoke",
  "name": "searchProducts",
  "args": {
    "query": "lamp"
  }
}

Browser automation

Developer tools

Parameters

Example

​Parameters

​Example

Parameters

Example