browser_extract_text

Extract text from the current page or specific elements

SERVERPercepta MCP Server SOURCE0x-hewm/percepta-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/0x-hewm-percepta-mcp/browser-extract-text.md

WHAT IT DOES

What browser_extract_text does on Percepta MCP Server

AI agents call browser_extract_text to retrieve information from Percepta 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 browser_extract_text is rated Low

This tool reads and retrieves text content from a webpage without creating, modifying, deleting, or executing any operations. It is a passive data extraction capability analogous to search or fetch operations. The blast radius of misuse is minimal—an agent cannot cause damage by extracting text alone.

From the tool's definition Tool name and description: 'Extract text from the current page or specific elements' — this is a retrieval operation with no side effects. The verb 'extract' and lack of any modification or deletion semantics clearly indicate data retrieval.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_extract_text safely

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

browser_extract_text Allowed

browser_extract_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": {
    "browser_extract_text": {}
  }
}

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

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

FAQ

Questions about browser_extract_text

What does the browser_extract_text tool do? +

Extract text from the current page or specific elements. It is categorised as a Read tool in the Percepta MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on browser_extract_text? +

Register the Percepta MCP Server MCP server in PolicyLayer and add a rule for browser_extract_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 Percepta MCP Server. Nothing to install.

What risk level is browser_extract_text? +

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

Can I rate-limit browser_extract_text? +

Yes. Add a rate_limit block to the browser_extract_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 browser_extract_text completely? +

Set action: deny in the PolicyLayer policy for browser_extract_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 browser_extract_text? +

browser_extract_text is provided by the Percepta MCP Server MCP server (0x-hewm/percepta-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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