create_image

Generate image with DALL-E

SERVERNcp SOURCE@portel/ncp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-portel-dev-ncp/create-image.md

WHAT IT DOES

What create_image does on Ncp

AI agents invoke create_image to trigger actions in Ncp. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why create_image is rated High

This tool executes an external operation (DALL-E API call) to generate an image. It is not a simple read, it writes/creates content via an external service, and involves compute/API costs. It falls under Execute since it triggers an external operation whose effects depend on the provided prompt arguments.

From the tool's definition 'Generate image with DALL-E' — triggers an external AI image generation operation via the DALL-E API

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_image safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ncp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_image, this is the rule to start with:

create_image Rate-limited

create_image stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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_image": {
      "limits": [
        {
          "counter": "create_image_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ncp, apply this rule, and every create_image call is checked against it from then on.

FAQ

Questions about create_image

What does the create_image tool do? +

Generate image with DALL-E. It is categorised as a Execute tool in the Ncp MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on create_image? +

Register the Ncp MCP server in PolicyLayer and add a rule for create_image: 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 Ncp. Nothing to install.

What risk level is create_image? +

create_image is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit create_image? +

Yes. Add a rate_limit block to the create_image 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_image completely? +

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

create_image is provided by the Ncp MCP server (@portel/ncp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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