Tabs

browser_tabs

Manage browser tabs — list, create, close, or switch between them.

Parameter	Type	Required	Description
action	string	yes	list, new, close, or select
url	string	no	URL for new action
index	number	no	Tab index for select or close

List all tabs

→ browser_tabs { action: "list" }

  Tab 0: "TodoMVC" - https://demo.playwright.dev/todomvc
  Tab 1: "Example" - https://example.com
  Tab 2: "Google" - https://google.com
  * active: Tab 0

Open a new tab

→ browser_tabs { action: "new", url: "https://example.com" }
→ Returns snapshot of the new tab

Switch to a tab

→ browser_tabs { action: "select", index: 1 }
→ Returns snapshot of the selected tab

Close a tab

→ browser_tabs { action: "close" }           // close current tab
→ browser_tabs { action: "close", index: 2 } // close specific tab

Workflow: comparing two pages

You: Open staging and production, compare the headers.

→ browser_navigate { url: "https://staging.example.com" }
→ browser_snapshot   // snapshot of staging
→ browser_tabs { action: "new", url: "https://example.com" }
→ browser_snapshot   // snapshot of production
  // LLM compares the two snapshots