text_to_image · Doubao Seedream MCP: Risk & Policy

WHAT IT DOES

What text_to_image does on Doubao Seedream

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

WHY IT NEEDS A POLICY

Why text_to_image needs a policy

This tool creates new images from text prompts. It is a Write operation (content creation) with no destructive, executable, or financial implications. Misuse could generate inappropriate content, giving it medium severity.

From the tool's definition Generate image from text prompt using Doubao Seedream

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

text_to_image Rate-limited

text_to_image 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": {
    "text_to_image": {
      "limits": [
        {
          "counter": "text_to_image_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 Doubao Seedream, so you can run agents against it safely.

FAQ

Questions about text_to_image

What does the text_to_image tool do? +

Generate image from text prompt using Doubao Seedream. It is categorised as a Write tool in the Doubao Seedream MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on text_to_image? +

Register the Doubao Seedream MCP server in PolicyLayer and add a rule for text_to_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 Doubao Seedream. Nothing to install.

What risk level is text_to_image? +

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

Can I rate-limit text_to_image? +

Yes. Add a rate_limit block to the text_to_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 text_to_image completely? +

Set action: deny in the PolicyLayer policy for text_to_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 text_to_image? +

text_to_image is provided by the Doubao Seedream MCP server (minggh/doubao-seedream-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.