get_as_details

Get Autonomous System details by ASN

SERVERCloudflare SOURCEhttps://builds.mcp.cloudflare.com/sse

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity verified Pull the record →

This record as markdown: /tools/cloudflare/get-as-details.md

WHAT IT DOES

What get_as_details does on Cloudflare

AI agents call get_as_details to retrieve information from Cloudflare 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_as_details is rated Low

This tool performs a read-only lookup of public AS (Autonomous System) details based on an ASN parameter. It has no side effects, does not execute code, does not modify data, and does not involve financial transactions. The blast radius of misuse is minimal—an attacker could gather network routing information but cannot cause damage through this tool alone.

From the tool's definition Tool name 'get_as_details' and description 'Get Autonomous System details by ASN' indicate a retrieval operation that queries ASN (Autonomous System Number) information without modifying, executing, or deleting data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_as_details safely

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

get_as_details Allowed

get_as_details 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_as_details": {}
  }
}

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

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

FAQ

Questions about get_as_details

What does the get_as_details tool do? +

Get Autonomous System details by ASN. It is categorised as a Read tool in the Cloudflare MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_as_details? +

Register the Cloudflare MCP server in PolicyLayer and add a rule for get_as_details: 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 Cloudflare. Nothing to install.

What risk level is get_as_details? +

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

Can I rate-limit get_as_details? +

Yes. Add a rate_limit block to the get_as_details 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_as_details completely? +

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

get_as_details is provided by the Cloudflare MCP server (https://builds.mcp.cloudflare.com/sse). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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