// MCP TOOL REFERENCE

Medium Risk

meshy_download_model

ServerMeshy MCP Server
CategoryWrite

WHAT IT DOES

What meshy_download_model does on Meshy MCP Server

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

THE RISK

Medium Risk

Why meshy_download_model needs a policy

This tool writes files to the local disk (downloads and saves 3D model files with 'smart naming and history tracking'). It creates/writes new files on the filesystem, which is a Write operation. It is not Destructive as it doesn't delete data, not Execute as it doesn't run code, and not Read-only as it has side effects (file creation on disk).

From the tool's definition Download a completed 3D model to local disk with automatic file organization

Documented attack patterns abuse exactly the kind of access meshy_download_model gives an agent:

POLICY

How to control meshy_download_model

PolicyLayer is an MCP gateway — it sits between your AI agents and Meshy MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for meshy_download_model:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "meshy_download_model": {
      "limits": [
        {
          "counter": "meshy_download_model_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

meshy_download_model 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.

Create a free account and register Meshy MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about meshy_download_model

What does the meshy_download_model tool do? +

Download a completed 3D model to local disk with automatic file organization. IMPORTANT: Ask the user which format they need BEFORE downloading. Do NOT download all formats. Format recommendations: GLB (viewing), OBJ (white model printing), 3MF (multicolor printing), FBX (game engines), USDZ (AR). By default, files are auto-saved to meshy_output/ under the current working directory with smart naming and history tracking. Use save_to to override with a custom path. Args: - task_id (string): Task ID of completed model (required) - task_type (enum, optional): Task type to route to correct endpoint (default:. It is categorised as a Write tool in the Meshy 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 meshy_download_model? +

Register the Meshy MCP Server MCP server in PolicyLayer and add a rule for meshy_download_model: 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 Meshy MCP Server. Nothing to install.

What risk level is meshy_download_model? +

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

Can I rate-limit meshy_download_model? +

Yes. Add a rate_limit block to the meshy_download_model 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 meshy_download_model completely? +

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

meshy_download_model is provided by the Meshy MCP Server MCP server (meshy-dev/meshy-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.