set_theme_constant

Set a constant value in a theme

SERVERGodot SOURCE@keeveeg/godot-mcp

Medium RISK CLASS

Category Write

Parameters 44 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-theme-constant.md

WHAT IT DOES

What set_theme_constant does on Godot

AI agents use set_theme_constant 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`	string	Yes	Constant name (e.g. 'hseparation', 'vseparation')
`path`	string	Yes	Theme resource path
`value`	integer	Yes	Constant integer value
`theme_type`	string	Yes	Control type

Parameters from the server's own tool schema.

RISK

Why set_theme_constant is rated Medium

This tool modifies theme constants, which are configuration data that affects UI rendering in Godot. While reversible (theme constants can be changed again), it constitutes a Write operation as it alters application state. Severity is medium because misuse could degrade UI/UX but would not cause data loss or financial harm.

From the tool's definition Tool name 'set_theme_constant' and description 'Set a constant value in a theme' indicate modification of theme configuration data.

Risk signalsAccepts file system path (path)

Attacks that exploit this kind of access

RECOMMENDED RULE

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

set_theme_constant Rate-limited

set_theme_constant 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_theme_constant": {
      "limits": [
        {
          "counter": "set_theme_constant_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_theme_constant call is checked against it from then on.

FAQ

Questions about set_theme_constant

What does the set_theme_constant tool do? +

Set a constant value in a theme. 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_theme_constant accept? +

set_theme_constant accepts 4 parameters: name, path, value, theme_type. Required: name, path, value, theme_type. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_theme_constant? +

Register the Godot MCP server in PolicyLayer and add a rule for set_theme_constant: 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_theme_constant? +

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

Can I rate-limit set_theme_constant? +

Yes. Add a rate_limit block to the set_theme_constant 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_theme_constant completely? +

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

set_theme_constant 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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