create-component · MCP Storyblok Server MCP: Risk & Policy

WHAT IT DOES

What create-component does on MCP Storyblok Server

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

WHY IT NEEDS A POLICY

Why create-component needs a policy

This tool creates new data (a component/block) in the CMS, which is a Write operation. It is reversible (components can be deleted), making it less severe than Destructive.

From the tool's definition Tool name is 'create-component' and description states it 'Creates a new component (block) in Storyblok', which is a reversible content creation operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create-component Rate-limited

create-component 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create-component": {
      "limits": [
        {
          "counter": "create-component_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Storyblok Server, so you can run agents against it safely.

FAQ

Questions about create-component

What does the create-component tool do? +

Creates a new component (block) in Storyblok. It is categorised as a Write tool in the MCP Storyblok 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-component? +

Register the MCP Storyblok Server MCP server in PolicyLayer and add a rule for create-component: 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 MCP Storyblok Server. Nothing to install.

What risk level is create-component? +

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

Can I rate-limit create-component? +

Yes. Add a rate_limit block to the create-component 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-component completely? +

Set action: deny in the PolicyLayer policy for create-component. 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-component? +

create-component is provided by the MCP Storyblok Server MCP server (zerdos/mcp-storyblok-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.