get_media_queries

What get_media_queries does on Chrome Devtools

AI agents call get_media_queries 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_media_queries is rated Low

This tool retrieves and returns information about CSS media queries without modifying any state, executing arbitrary code, or causing side effects. It is a straightforward query operation that reads data from the browser's rendering engine. The low severity reflects minimal risk if misused by an agent — the information returned is passive and already public on the page.

From the tool's definition Tool name is 'get_media_queries' and description states 'Get all media queries parsed by the rendering engine. Returns: List of all active media queries' — indicates a retrieval operation with no modification or execution of code.

The rule that runs get_media_queries 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_media_queries, this is the rule to start with:

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

Questions about get_media_queries