navregion_create

Add a NavigationRegion3D under a parent (undoable). By default seeds a fresh empty NavigationMesh (set with_navmesh=false to skip). Returns the new node

SERVERGodot Breakpoint SOURCEjlivingston-Cipher/godot-breakpoint-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/godot-breakpoint-mcp/navregion-create.md

WHAT IT DOES

What navregion_create does on Godot Breakpoint

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

RISK

Why navregion_create is rated Medium

This tool creates a new NavigationRegion3D node, which is a scene graph modification that does not execute external code or commands, and can be undone. This is a Write operation—reversible data creation within the Godot editor. The medium severity reflects that creating scene nodes could affect gameplay navigation behavior if misused, but the impact is limited to a specific region and can be reverted.

From the tool's definition Tool description states 'Add a NavigationRegion3D' and 'Returns the new node', indicating creation of a new node in the Godot scene. Description also notes action is 'undoable', confirming it is reversible (not destructive).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs navregion_create safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Godot Breakpoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For navregion_create, this is the rule to start with:

navregion_create Rate-limited

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

FAQ

Questions about navregion_create

What does the navregion_create tool do? +

Add a NavigationRegion3D under a parent (undoable). By default seeds a fresh empty NavigationMesh (set with_navmesh=false to skip). Returns the new node. It is categorised as a Write tool in the Godot Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on navregion_create? +

Register the Godot Breakpoint MCP server in PolicyLayer and add a rule for navregion_create: 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 Breakpoint. Nothing to install.

What risk level is navregion_create? +

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

Can I rate-limit navregion_create? +

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

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

navregion_create is provided by the Godot Breakpoint MCP server (jlivingston-Cipher/godot-breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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