dex_list_colos

View a list of Cloudflare colos sorted alphabetically or by frequency encountered in fleet status or DEX test data.

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/dex-list-colos.md

WHAT IT DOES

What dex_list_colos does on Cloudflare

AI agents call dex_list_colos 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 dex_list_colos is rated Low

This tool retrieves and displays information about Cloudflare colocation points (colos) in sorted order. It is purely informational with no side effects, data modification, or destructive capabilities. The action is a simple data retrieval operation analogous to a 'list' or 'view' command, making it a Read-category tool with low severity impact.

From the tool's definition Tool name 'dex_list_colos' and description 'View a list of Cloudflare colos sorted alphabetically or by frequency' indicates a query/listing operation with no modification of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

dex_list_colos Allowed

dex_list_colos 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": {
    "dex_list_colos": {}
  }
}

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 dex_list_colos call is checked against it from then on.

FAQ

Questions about dex_list_colos

What does the dex_list_colos tool do? +

View a list of Cloudflare colos sorted alphabetically or by frequency encountered in fleet status or DEX test data. 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 dex_list_colos? +

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

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

Can I rate-limit dex_list_colos? +

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

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

dex_list_colos 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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