set_node_property

Set node property value (prefer using set_node_transform for active/layer/mobility/position/rotation/scale)

SERVERCocos SOURCEcaravanglory/cocos-mcp-server

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/caravanglory-cocos-mcp-server/set-node-property.md

WHAT IT DOES

What set_node_property does on Cocos

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

RISK

Why set_node_property is rated Medium

The tool modifies node properties in a game editor scene, which is a reversible write operation. It does not execute arbitrary code, delete data irreversibly, or move financial assets. The severity is medium because misuse could corrupt scene state, but changes are typically undoable in the editor via the undo system (evidenced by sibling tools 'begin_undo_recording' and 'cancel_undo_recording').

From the tool's definition Tool name 'set_node_property' and description state it 'Set node property value', which modifies node properties in the Cocos Creator editor. This is a write operation that creates or modifies data reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_node_property safely

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

set_node_property Rate-limited

set_node_property 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_node_property": {
      "limits": [
        {
          "counter": "set_node_property_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 Cocos, apply this rule, and every set_node_property call is checked against it from then on.

FAQ

Questions about set_node_property

What does the set_node_property tool do? +

Set node property value (prefer using set_node_transform for active/layer/mobility/position/rotation/scale). It is categorised as a Write tool in the Cocos 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_node_property? +

Register the Cocos MCP server in PolicyLayer and add a rule for set_node_property: 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 Cocos. Nothing to install.

What risk level is set_node_property? +

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

Can I rate-limit set_node_property? +

Yes. Add a rate_limit block to the set_node_property 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_node_property completely? +

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

set_node_property is provided by the Cocos MCP server (caravanglory/cocos-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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