set_viewport_size

Set the game viewport dimensions and stretch settings

SERVERGodot SOURCE@keeveeg/godot-mcp

Medium RISK CLASS

Category Write

Parameters 42 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/keeveeg-godot-mcp/set-viewport-size.md

WHAT IT DOES

What set_viewport_size does on Godot

AI agents use set_viewport_size 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
`width`	integer	Yes	Viewport width in pixels
`height`	integer	Yes	Viewport height in pixels
`stretch_mode`	string	—	Stretch mode
`stretch_aspect`	string	—	Stretch aspect ratio behavior

Parameters from the server's own tool schema.

RISK

Why set_viewport_size is rated Medium

This tool modifies game viewport configuration (dimensions and stretch settings), which are reversible configuration changes. It does not delete data (not Destructive), execute arbitrary code (not Execute), handle finances (not Financial), or merely read data (not Read).

From the tool's definition Tool name 'set_viewport_size' and description 'Set the game viewport dimensions and stretch settings' indicate modification of viewport configuration settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_viewport_size 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 set_viewport_size, this is the rule to start with:

set_viewport_size Rate-limited

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

FAQ

Questions about set_viewport_size

What does the set_viewport_size tool do? +

Set the game viewport dimensions and stretch settings. 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.

What parameters does set_viewport_size accept? +

set_viewport_size accepts 4 parameters: width, height, stretch_mode, stretch_aspect. Required: width, height. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_viewport_size? +

Register the Godot MCP server in PolicyLayer and add a rule for set_viewport_size: 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.

What risk level is set_viewport_size? +

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

Can I rate-limit set_viewport_size? +

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

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

set_viewport_size 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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