set_theme_font_size · Godot MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_theme_font_size does on Godot MCP Server

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

WHY IT NEEDS A POLICY

Why set_theme_font_size needs a policy

This tool modifies theme configuration within a Godot game project but does not delete data, execute arbitrary code, or cause irreversible changes. The modification is reversible—a font size can be changed back to a previous value. While it affects game UI appearance, the blast radius is limited to visual presentation.

From the tool's definition Tool name 'set_theme_font_size' and description 'Set a font size entry in a Theme resource' indicate modification of theme data. The verb 'Set' combined with 'entry in a Theme resource' demonstrates creation or modification of a UI theme property.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_theme_font_size Rate-limited

set_theme_font_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_theme_font_size": {
      "limits": [
        {
          "counter": "set_theme_font_size_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Godot MCP Server, so you can run agents against it safely.

FAQ

Questions about set_theme_font_size

What does the set_theme_font_size tool do? +

Set a font size entry in a Theme resource. It is categorised as a Write tool in the Godot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_theme_font_size? +

Register the Godot MCP Server MCP server in PolicyLayer and add a rule for set_theme_font_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 MCP Server. Nothing to install.

What risk level is set_theme_font_size? +

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

Can I rate-limit set_theme_font_size? +

Yes. Add a rate_limit block to the set_theme_font_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_theme_font_size completely? +

Set action: deny in the PolicyLayer policy for set_theme_font_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_theme_font_size? +

set_theme_font_size is provided by the Godot MCP Server MCP server (neondeex/godotmcp-pro-free-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.