lookup_http_status

THE RISK

Low Risk

Why lookup_http_status needs a policy

This tool retrieves informational content about HTTP status codes (e.g., 200 OK, 404 Not Found) with no side effects, no data modification, no code execution, and no destructive or financial impact. It is purely a read operation that provides reference documentation or lookup results.

From the tool's definition Tool name 'lookup_http_status' and description 'Get information about HTTP status codes' indicate a retrieval operation that queries reference data about HTTP standards.

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

POLICY

How to control lookup_http_status

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

policy.json

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

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

Create a free account and register IT Tools MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about lookup_http_status

What does the lookup_http_status tool do? +

Get information about HTTP status codes. It is categorised as a Read tool in the IT Tools MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on lookup_http_status? +

Register the IT Tools MCP Server MCP server in PolicyLayer and add a rule for lookup_http_status: 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 IT Tools MCP Server. Nothing to install.

What risk level is lookup_http_status? +

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

Can I rate-limit lookup_http_status? +

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

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

lookup_http_status is provided by the IT Tools MCP Server MCP server (wrenchpilot/it-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every IT Tools MCP Server tool call.

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

CHECK YOUR STACK →