create_grid_map
Create a GridMap node for 3D tile-based level design.
This record as markdown: /tools/yanhuifair-godot-mcp/create-grid-map.md
What create_grid_map does on Godot
AI agents use create_grid_map to create or update resources in Godot, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
name | object | — | |
parent | object | — | |
scene_path | string | Yes |
Parameters from the server's own tool schema.
Why create_grid_map is rated Medium
Creating a GridMap node is a reversible write operation that adds a new element to the Godot scene tree. It modifies the project but does not execute arbitrary code, delete data, or cause financial impact. The effect is bounded to creating a specific node type for level design.
From the tool's definition Tool name 'create_grid_map' and description 'Create a GridMap node for 3D tile-based level design' indicate creation of a scene/level design element within Godot. This modifies the game project state by adding a new node.
Attacks that exploit this kind of access
The rule that runs create_grid_map safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Godot, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_grid_map, this is the rule to start with:
create_grid_map 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Godot, apply this rule, and every create_grid_map call is checked against it from then on.
Questions about create_grid_map
Create a GridMap node for 3D tile-based level design. It is categorised as a Write tool in the Godot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
create_grid_map accepts 3 parameters: name, parent, scene_path. Required: scene_path. The full parameter table on this page comes from the server's own tool schema.
Register the Godot MCP server in PolicyLayer and add a rule for create_grid_map: 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. Nothing to install.
create_grid_map 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 create_grid_map 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 create_grid_map. 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.
create_grid_map is provided by the Godot MCP server (@yanhuifair/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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