get_bgp_top_prefixes

Get top IP prefixes by BGP update count.

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-bgp-top-prefixes.md

WHAT IT DOES

What get_bgp_top_prefixes does on Cloudflare

AI agents call get_bgp_top_prefixes 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_bgp_top_prefixes is rated Low

This tool queries and retrieves BGP (Border Gateway Protocol) prefix statistics—specifically top prefixes ranked by update count. It is a read-only operation that retrieves monitoring/observability data without creating, modifying, deleting, or executing changes to infrastructure.

From the tool's definition Tool name 'get_bgp_top_prefixes' and description 'Get top IP prefixes by BGP update count' indicate retrieval of network routing statistics with no modification capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_bgp_top_prefixes 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_bgp_top_prefixes, this is the rule to start with:

get_bgp_top_prefixes Allowed

get_bgp_top_prefixes 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_bgp_top_prefixes": {}
  }
}

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_bgp_top_prefixes call is checked against it from then on.

FAQ

Questions about get_bgp_top_prefixes

What does the get_bgp_top_prefixes tool do? +

Get top IP prefixes by BGP update count. 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_bgp_top_prefixes? +

Register the Cloudflare MCP server in PolicyLayer and add a rule for get_bgp_top_prefixes: 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_bgp_top_prefixes? +

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

Can I rate-limit get_bgp_top_prefixes? +

Yes. Add a rate_limit block to the get_bgp_top_prefixes 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_bgp_top_prefixes completely? +

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

get_bgp_top_prefixes 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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