export_mesh_library

Export a scene as a MeshLibrary resource

SERVERGodot MCP SOURCE6ninelives/godot-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/6ninelives-godot-mcp/export-mesh-library.md

WHAT IT DOES

What export_mesh_library does on Godot MCP

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

RISK

Why export_mesh_library is rated Medium

This tool generates/creates a new MeshLibrary asset file from scene data. This is a Write operation (creates new data artifacts) rather than Read (it produces output beyond querying). It is not Execute (doesn't run arbitrary code), Destructive (the export is reversible and doesn't delete data), or Financial.

From the tool's definition Tool exports (creates/generates) a MeshLibrary resource from a scene. 'Export' in game development contexts typically creates new output files or resources, which is a reversible data creation operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs export_mesh_library safely

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

export_mesh_library Rate-limited

export_mesh_library 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": {
    "export_mesh_library": {
      "limits": [
        {
          "counter": "export_mesh_library_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about export_mesh_library

What does the export_mesh_library tool do? +

Export a scene as a MeshLibrary resource. It is categorised as a Write tool in the Godot MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on export_mesh_library? +

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

What risk level is export_mesh_library? +

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

Can I rate-limit export_mesh_library? +

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

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

export_mesh_library is provided by the Godot MCP server (6ninelives/godot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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