editor_set_selection · Godot MCP: Risk & Policy

WHAT IT DOES

What editor_set_selection does on Godot

AI agents invoke editor_set_selection to trigger actions in Godot. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

PARAMETERS

Parameter	Type	Required	Description
`value`	object	—	Property value
`property`	object	—	Property key to set
`node_path`	string	Yes	Node path to select

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why editor_set_selection needs a policy

This tool triggers an action in the Godot editor (selecting a node), which constitutes an external operation/UI interaction rather than a pure data read. However, it has minimal blast radius as it only changes the editor's selection state without modifying any data or executing code.

From the tool's definition Select node in editor

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

editor_set_selection Rate-limited

editor_set_selection stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "editor_set_selection": {
      "limits": [
        {
          "counter": "editor_set_selection_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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, so you can run agents against it safely.

FAQ

Questions about editor_set_selection

What does the editor_set_selection tool do? +

Select node in editor. It is categorised as a Execute tool in the Godot MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

What parameters does editor_set_selection accept? +

editor_set_selection accepts 3 parameters: value, property, node_path. Required: node_path. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on editor_set_selection? +

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

editor_set_selection is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit editor_set_selection? +

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

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

editor_set_selection 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.