tilemap_fill_rect
Fill a rectangular area of a TileMap with a tile
This record as markdown: /tools/keeveeg-godot-mcp/tilemap-fill-rect.md
What tilemap_fill_rect does on Godot
AI agents use tilemap_fill_rect 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 |
|---|---|---|---|
path | string | Yes | TileMap node path |
rect | object | Yes | Rectangle to fill |
source_id | integer | — | TileSet source ID |
atlas_coords | array | — | Atlas coordinates [x, y] |
Parameters from the server's own tool schema.
Why tilemap_fill_rect is rated Medium
This tool creates or modifies data (tilemap content) in a reversible manner. Filling tiles can be undone in most editors, making it a Write operation rather than Destructive. The severity is medium because misuse could corrupt game level layouts, but the effect is confined to tilemap data and reversible. High confidence because the description explicitly states a modification action.
From the tool's definition Tool name 'tilemap_fill_rect' and description 'Fill a rectangular area of a TileMap with a tile' indicate it modifies tilemap data by filling a region with tiles.
Risk signalsAccepts file system path (path)
Attacks that exploit this kind of access
The rule that runs tilemap_fill_rect 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 tilemap_fill_rect, this is the rule to start with:
tilemap_fill_rect 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 tilemap_fill_rect call is checked against it from then on.
Questions about tilemap_fill_rect
Fill a rectangular area of a TileMap with a tile. 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.
tilemap_fill_rect accepts 4 parameters: path, rect, source_id, atlas_coords. Required: path, rect. 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 tilemap_fill_rect: 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.
tilemap_fill_rect 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 tilemap_fill_rect 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 tilemap_fill_rect. 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.
tilemap_fill_rect is provided by the Godot MCP server (@keeveeg/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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