container_add_child

Instance a Control-derived child under a Container node (VBoxContainer, GridContainer, MarginContainer, …) so it participates in the container

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/container-add-child.md

WHAT IT DOES

What container_add_child does on Godot Breakpoint

AI agents use container_add_child 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 container_add_child is rated Medium

This tool creates and adds a new child node to an existing container node in a Godot scene. It is a reversible write operation (the child can be removed), modifying the scene tree structure. No code execution, deletion, or financial operations are involved.

From the tool's definition Instance a Control-derived child under a Container node... so it participates in the container

Attacks that exploit this kind of access

RECOMMENDED RULE

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

container_add_child Rate-limited

container_add_child 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": {
    "container_add_child": {
      "limits": [
        {
          "counter": "container_add_child_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 container_add_child call is checked against it from then on.

FAQ

Questions about container_add_child

What does the container_add_child tool do? +

Instance a Control-derived child under a Container node (VBoxContainer, GridContainer, MarginContainer, …) so it participates in the container. 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 container_add_child? +

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

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

Can I rate-limit container_add_child? +

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

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

container_add_child 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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