get_tab_id

What get_tab_id does on Chrome Devtools

AI agents call get_tab_id to retrieve information from Chrome Devtools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_tab_id is rated Low

This tool retrieves metadata (a tab identifier) from the Chrome DevTools API. It performs no writes, deletions, code execution, or financial operations. The tab ID is a read-only identifier needed to reference browser tabs in subsequent operations. Even in a misuse scenario, obtaining a tab ID alone presents minimal risk—it is merely a reference value with no autonomous impact on browser state or user data.

From the tool's definition Tool name 'get_tab_id' and description 'Get the tab ID of the page' indicate a retrieval operation that queries state without modification or side effects.

The rule that runs get_tab_id safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Chrome Devtools, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_tab_id, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_tab_id": {}
  }
}

Questions about get_tab_id