get_session_storage

A read tool on the Playwright MCP server.

SERVERPlaywright MCP Server SOURCEalexrwilliam/playwright-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexrwilliam-playwright-mcp-server/get-session-storage.md

WHAT IT DOES

What get_session_storage does on Playwright MCP Server

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

RISK

Why get_session_storage is rated Low

The tool retrieves session storage values from a browser context without modifying data. Session storage is client-side browser state typically containing non-sensitive session identifiers or UI preferences. Retrieval has no side effects and poses minimal risk even if misused by an AI agent. The empty description reduces confidence slightly, but the tool name and server context strongly indicate a read operation.

From the tool's definition Tool name 'get_session_storage' indicates retrieval of session storage data; server context shows this is a Playwright browser automation tool for 'content extraction'; sibling tools like 'get_cookies' and 'clear_storage' further confirm storage-retrieval…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_session_storage safely

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

get_session_storage Allowed

get_session_storage is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Playwright MCP Server, apply this rule, and every get_session_storage call is checked against it from then on.

FAQ

Questions about get_session_storage

What does the get_session_storage tool do? +

get_session_storage is a read tool on the Playwright MCP Server MCP server. It is categorised as a Read tool in the Playwright MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_session_storage? +

Register the Playwright MCP Server MCP server in PolicyLayer and add a rule for get_session_storage: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Playwright MCP Server. Nothing to install.

What risk level is get_session_storage? +

get_session_storage is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_session_storage? +

Yes. Add a rate_limit block to the get_session_storage rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block get_session_storage completely? +

Set action: deny in the PolicyLayer policy for get_session_storage. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides get_session_storage? +

get_session_storage is provided by the Playwright MCP Server MCP server (alexrwilliam/playwright-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Playwright MCP Server, and thousands of servers like it.

This server

All 67 Playwright MCP Server tools →

Across the catalogue

get_cocktail_by_category on Cocktails RAG MCP Server →get_torrent_detail on M-Team MCP Server →aiva_get_affiliate on AIVA MCP Server →get-chuck-categories on Jokes MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →