http_check

A read tool on the Mcp Nettools MCP server.

SERVERMcp Nettools SOURCEaaronckj/mcp-nettools

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/aaronckj-mcp-nettools/http-check.md

WHAT IT DOES

What http_check does on Mcp Nettools

AI agents call http_check to retrieve information from Mcp Nettools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why http_check is rated Low

Based on the server context (network diagnostics) and the tool name, 'http_check' most likely performs an HTTP connectivity or status check against a URL, which is a read/query operation. However, the empty description lowers confidence. It could potentially trigger external HTTP requests, but the most likely use is diagnostic/read.

From the tool's definition Tool name 'http_check' on a server described as providing network diagnostics tools; description is empty and uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs http_check safely

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

http_check Allowed

http_check 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": {
    "http_check": {}
  }
}

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

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

FAQ

Questions about http_check

What does the http_check tool do? +

http_check is a read tool on the Mcp Nettools MCP server. It is categorised as a Read tool in the Mcp Nettools MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on http_check? +

Register the Mcp Nettools MCP server in PolicyLayer and add a rule for http_check: 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 Nettools. Nothing to install.

What risk level is http_check? +

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

Can I rate-limit http_check? +

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

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

http_check is provided by the Mcp Nettools MCP server (aaronckj/mcp-nettools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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