Medium Risk

create_tag

Create a new Tag

How to control create_tag ↓

What create_tag does on Linode MCP Server

AI agents use create_tag to create or update resources in Linode MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Linode MCP Server environment.

Medium Risk

Why create_tag needs a policy

Creating a tag is a reversible write operation that adds metadata to organize resources. It has minimal blast radius—tags are organizational metadata with no direct impact on infrastructure, billing, or data integrity. Tags can be deleted or modified if created in error, making this a safe write operation.

From the tool's definition Tool name is 'create_tag' and description states 'Create a new Tag'. This operation creates a new metadata tag in Linode's tagging system.

Documented attack patterns abuse exactly the kind of access create_tag gives an agent:

How to control create_tag

PolicyLayer is an MCP gateway — it sits between your AI agents and Linode MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_tag:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_tag": {
      "limits": [
        {
          "counter": "create_tag_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_tag stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Linode MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about create_tag

What does the create_tag tool do? +

Create a new Tag. It is categorised as a Write tool in the Linode MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_tag? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for create_tag: 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 Linode MCP Server. Nothing to install.

What risk level is create_tag? +

create_tag is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_tag? +

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

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

create_tag is provided by the Linode MCP Server MCP server (takashito/linode-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Linode MCP Server tool call.

Start from Linode MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

416 Linode MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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