使用Seedream 4.0根据文本提示词生成【单张】图像。如果需要生成多张图片,请使用 seedream_sequential_generation 工具
AI agents use seedream_text_to_image to create or update resources in Seedream 4 0 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Seedream 4 0 MCP Server environment.
This tool generates (creates) an image from a text prompt and stores it in cloud storage. It creates new data/artifacts, which is a Write operation. It does not execute code, delete data, or involve financial transactions. Severity is medium because it consumes API credits and writes to cloud storage, but has limited blast radius.
From the tool's definition 使用Seedream 4.0根据文本提示词生成【单张】图像 (Generate a single image from text prompt using Seedream 4.0)
Documented attack patterns abuse exactly the kind of access seedream_text_to_image gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Seedream 4 0 MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for seedream_text_to_image:
{
"version": "1",
"default": "deny",
"tools": {
"seedream_text_to_image": {
"limits": [
{
"counter": "seedream_text_to_image_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
} seedream_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.
Free to start. No card required.
使用Seedream 4.0根据文本提示词生成【单张】图像。如果需要生成多张图片,请使用 seedream_sequential_generation 工具. It is categorised as a Write tool in the Seedream 4 0 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Seedream 4 0 MCP Server MCP server in PolicyLayer and add a rule for seedream_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 Seedream 4 0 MCP Server. Nothing to install.
seedream_text_to_image is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the seedream_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.
Set action: deny in the PolicyLayer policy for seedream_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.
seedream_text_to_image is provided by the Seedream 4 0 MCP Server MCP server (joeseesun/seedream_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Seedream 4 0 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.
6 Seedream 4 0 MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.