Low Risk

extract_entities

Extract named entities (people, places, organizations) from web content

How to control extract_entities ↓

What extract_entities does on MCP Web Scrape

AI agents call extract_entities to retrieve information from MCP Web Scrape without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why extract_entities needs a policy

This tool performs entity extraction, which is a passive analysis and information retrieval task. It reads and analyzes web content to identify and classify named entities, but does not modify, delete, execute code, or perform financial operations. The operation is read-only with no side effects, fitting the 'Read' category.

From the tool's definition Tool name is 'extract_entities' and description states it 'Extract[s] named entities (people, places, organizations) from web content' — a data retrieval operation with no modification, deletion, or execution of code/commands.

Documented attack patterns abuse exactly the kind of access extract_entities gives an agent:

How to control extract_entities

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Web Scrape, and nothing reaches the server without passing your rules. This is the rule we recommend for extract_entities:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "extract_entities": {}
  }
}

extract_entities is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register MCP Web Scrape — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about extract_entities

What does the extract_entities tool do? +

Extract named entities (people, places, organizations) from web content. It is categorised as a Read tool in the MCP Web Scrape MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on extract_entities? +

Register the MCP Web Scrape MCP server in PolicyLayer and add a rule for extract_entities: 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 MCP Web Scrape. Nothing to install.

What risk level is extract_entities? +

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

Can I rate-limit extract_entities? +

Yes. Add a rate_limit block to the extract_entities 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 extract_entities completely? +

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

extract_entities is provided by the MCP Web Scrape MCP server (mukul975/mcp-web-scrape). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Web Scrape tool call.

Start from MCP Web Scrape, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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48 MCP Web Scrape tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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