get_effective_config

Return the currently applied fingerprint/stealth/browser settings.

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-effective-config.md

WHAT IT DOES

What get_effective_config does on Playwright MCP Server

AI agents call get_effective_config 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_effective_config is rated Low

This tool queries and retrieves the current browser configuration settings (fingerprint, stealth, and other browser settings). It has no side effects, does not modify data, does not execute code, does not delete anything, and does not affect financial systems.

From the tool's definition The tool 'get_effective_config' is described as returning currently applied fingerprint/stealth/browser settings. This is a read-only operation that retrieves configuration state without modifying or executing anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_effective_config 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_effective_config, this is the rule to start with:

get_effective_config Allowed

get_effective_config 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_effective_config": {}
  }
}

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_effective_config call is checked against it from then on.

FAQ

Questions about get_effective_config

What does the get_effective_config tool do? +

Return the currently applied fingerprint/stealth/browser settings. 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_effective_config? +

Register the Playwright MCP Server MCP server in PolicyLayer and add a rule for get_effective_config: 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_effective_config? +

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

Can I rate-limit get_effective_config? +

Yes. Add a rate_limit block to the get_effective_config 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_effective_config completely? +

Set action: deny in the PolicyLayer policy for get_effective_config. 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_effective_config? +

get_effective_config 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.

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