primitive_mesh_create

SERVERGodot Breakpoint SOURCEjlivingston-Cipher/godot-breakpoint-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/godot-breakpoint-mcp/primitive-mesh-create.md

WHAT IT DOES

What primitive_mesh_create does on Godot Breakpoint

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

RISK

Why primitive_mesh_create is rated Medium

This tool creates and saves a new mesh resource file to the Godot project filesystem. Creating new files is a Write operation (reversible—the file can be deleted or overwritten later).

From the tool's definition Tool description states it 'Create a PrimitiveMesh resource... and save it to a res:// path.' The creation of a new file resource is a write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs primitive_mesh_create safely

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

primitive_mesh_create Rate-limited

primitive_mesh_create 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": {
    "primitive_mesh_create": {
      "limits": [
        {
          "counter": "primitive_mesh_create_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 Breakpoint, apply this rule, and every primitive_mesh_create call is checked against it from then on.

FAQ

Questions about primitive_mesh_create

What does the primitive_mesh_create tool do? +

Create a PrimitiveMesh resource (box/sphere/cylinder/plane/capsule/prism/torus/quad) and save it to a res:// path. DESTRUCTIVE (writes a file) — gated by confirmation. Assign it with meshinstance_create. It is categorised as a Write tool in the Godot Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on primitive_mesh_create? +

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

What risk level is primitive_mesh_create? +

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

Can I rate-limit primitive_mesh_create? +

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

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

primitive_mesh_create is provided by the Godot Breakpoint MCP server (jlivingston-Cipher/godot-breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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