create_avatar_by_image · ShiLiu MCP Server MCP

WHAT IT DOES

What create_avatar_by_image does on ShiLiu MCP Server

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

WHY IT NEEDS A POLICY

Why create_avatar_by_image needs a policy

This tool creates a new avatar resource on the ShiLiu platform. Creation of digital assets is a Write operation. Severity is medium because misuse could result in unauthorized avatar creation consuming API credits and generating unwanted digital human representations, but it is reversible/manageable.

From the tool's definition 'Creates a avatar based on the user' — creates a new digital human/avatar resource

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_avatar_by_image Rate-limited

create_avatar_by_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": {
    "create_avatar_by_image": {
      "limits": [
        {
          "counter": "create_avatar_by_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 ShiLiu MCP Server, so you can run agents against it safely.

FAQ

Questions about create_avatar_by_image

What does the create_avatar_by_image tool do? +

Creates a avatar based on the user. It is categorised as a Write tool in the ShiLiu 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_avatar_by_image? +

Register the ShiLiu MCP Server MCP server in PolicyLayer and add a rule for create_avatar_by_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 ShiLiu MCP Server. Nothing to install.

What risk level is create_avatar_by_image? +

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

Can I rate-limit create_avatar_by_image? +

Yes. Add a rate_limit block to the create_avatar_by_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_avatar_by_image completely? +

Set action: deny in the PolicyLayer policy for create_avatar_by_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_avatar_by_image? +

create_avatar_by_image is provided by the ShiLiu MCP Server MCP server (shiliu-ai/shiliu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.