get_stylesheet_text

Get the textual content of a CSS stylesheet. Args: stylesheet_id: ID of the stylesheet Returns: Full text content of the stylesheet

SERVERChrome Devtools SOURCEbenjaminr/chrome-devtools-mcp

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/benjaminr-chrome-devtools-mcp/get-stylesheet-text.md

WHAT IT DOES

What get_stylesheet_text does on Chrome Devtools

AI agents call get_stylesheet_text 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.

RISK

Why get_stylesheet_text is rated Low

This tool performs a read-only query operation that retrieves existing CSS stylesheet data. It has no side effects, does not modify state, and does not execute code. While it is part of a DevTools server with capabilities for executing JavaScript and other potent operations, this specific tool is strictly for data retrieval of CSS content.

From the tool's definition Tool retrieves stylesheet content via 'Get the textual content of a CSS stylesheet' and returns 'Full text content of the stylesheet' without modifying or executing anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_stylesheet_text 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_stylesheet_text, this is the rule to start with:

get_stylesheet_text Allowed

get_stylesheet_text 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_stylesheet_text": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Chrome Devtools, apply this rule, and every get_stylesheet_text call is checked against it from then on.

FAQ

Questions about get_stylesheet_text

What does the get_stylesheet_text tool do? +

Get the textual content of a CSS stylesheet. Args: stylesheet_id: ID of the stylesheet Returns: Full text content of the stylesheet. It is categorised as a Read tool in the Chrome Devtools MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_stylesheet_text? +

Register the Chrome Devtools MCP server in PolicyLayer and add a rule for get_stylesheet_text: 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 Chrome Devtools. Nothing to install.

What risk level is get_stylesheet_text? +

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

Can I rate-limit get_stylesheet_text? +

Yes. Add a rate_limit block to the get_stylesheet_text 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_stylesheet_text completely? +

Set action: deny in the PolicyLayer policy for get_stylesheet_text. 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_stylesheet_text? +

get_stylesheet_text is provided by the Chrome Devtools MCP server (benjaminr/chrome-devtools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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