browser_sessionstorage_list

What browser_sessionstorage_list does on Playwright

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

Why browser_sessionstorage_list is rated Low

This tool retrieves session storage data from the browser, a read-only operation with no side effects. The empty description slightly lowers confidence, but the naming pattern and context of sibling tools strongly suggest data retrieval. Session storage access poses minimal risk as it typically contains non-sensitive session data, with blast radius limited to information disclosure.

From the tool's definition Tool name 'browser_sessionstorage_list' indicates a list/query operation on session storage; sibling tools like 'browser_cookie_list' and 'browser_cookie_get' confirm this server's pattern of Read operations for data retrieval.

The rule that runs browser_sessionstorage_list safely

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

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

Questions about browser_sessionstorage_list