list_origins

List cloud provider origins (hyperscalers) available in Cloud Observatory. Returns Amazon (AWS), Google (GCP), Microsoft (Azure), and Oracle (OCI) with their available regions.

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/list-origins.md

WHAT IT DOES

What list_origins does on Cloudflare

AI agents call list_origins 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 list_origins is rated Low

This tool retrieves and lists publicly available cloud provider information and their regions. It performs no modifications, deletions, code execution, or financial operations. The operation is read-only with minimal blast radius if misused by an agent.

From the tool's definition Tool name 'list_origins' and description 'List cloud provider origins...Returns Amazon (AWS), Google (GCP), Microsoft (Azure), and Oracle (OCI) with their available regions' indicates a query/retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_origins Allowed

list_origins 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": {
    "list_origins": {}
  }
}

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 list_origins call is checked against it from then on.

FAQ

Questions about list_origins

What does the list_origins tool do? +

List cloud provider origins (hyperscalers) available in Cloud Observatory. Returns Amazon (AWS), Google (GCP), Microsoft (Azure), and Oracle (OCI) with their available regions. 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 list_origins? +

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

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

Can I rate-limit list_origins? +

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

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

list_origins 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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