AI agents use reparent_entity to create or update resources in PlayCanvas Editor MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PlayCanvas Editor MCP Server environment.
Reparenting an entity modifies scene state by changing entity hierarchy relationships, which is a Write operation. It is reversible (can be reparented again to restore the original hierarchy), so it does not qualify as Destructive. Severity is medium because while it affects scene structure, the impact is scoped to a single entity's relationship and can be easily undone.
From the tool's definition Tool name is 'reparent_entity' and description indicates it modifies the parent-child hierarchy relationship of an entity in the scene graph.
Documented attack patterns abuse exactly the kind of access reparent_entity gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PlayCanvas Editor MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for reparent_entity:
{
"version": "1",
"default": "deny",
"tools": {
"reparent_entity": {
"limits": [
{
"counter": "reparent_entity_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}reparent_entity 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.
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Reparent entity. It is categorised as a Write tool in the PlayCanvas Editor MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the PlayCanvas Editor MCP Server MCP server in PolicyLayer and add a rule for reparent_entity: 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 PlayCanvas Editor MCP Server. Nothing to install.
reparent_entity is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the reparent_entity 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.
Set action: deny in the PolicyLayer policy for reparent_entity. 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.
reparent_entity is provided by the PlayCanvas Editor MCP Server MCP server (playcanvas/editor-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 23 PlayCanvas Editor MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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23 PlayCanvas Editor MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.