list_tags

List all tags used on the Cloudflare Blog. Use the returned slugs to filter list_posts by topic, e.g.

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-tags.md

WHAT IT DOES

What list_tags does on Cloudflare

AI agents call list_tags 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_tags is rated Low

This tool retrieves and enumerates tag metadata from a blog—a read-only query operation. It has minimal blast radius; listing tags cannot modify, delete, or execute anything. The tool is explicitly designed to support filtering operations on public blog content. Low severity because the information returned is non-sensitive blog metadata.

From the tool's definition Tool name is 'list_tags' and description states 'List all tags used on the Cloudflare Blog.' This is a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_tags Allowed

list_tags 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_tags": {}
  }
}

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_tags call is checked against it from then on.

FAQ

Questions about list_tags

What does the list_tags tool do? +

List all tags used on the Cloudflare Blog. Use the returned slugs to filter list_posts by topic, e.g. 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_tags? +

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

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

Can I rate-limit list_tags? +

Yes. Add a rate_limit block to the list_tags 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_tags completely? +

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

list_tags 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.

KEEP EXPLORING

More on Cloudflare, and thousands of servers like it.

This server

All 98 Cloudflare tools →

Across the catalogue

get_cocktail_by_tags on Cocktails RAG MCP Server →aiva_list_affiliates on AIVA MCP Server →list_circuits on 0gzk →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →