Get the complete node hierarchy of a scene (.tscn file)
AI agents call get_node_tree to retrieve information from Godot MCP Unified without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns the structure of a scene file without modifying, executing, or deleting anything. It is a pure read operation that retrieves hierarchical data from an existing Godot scene. The low severity reflects minimal blast radius—an AI agent misusing this tool could at worst access scene structure information, but cannot execute code, modify assets, or cause irreversible damage.
From the tool's definition Tool name 'get_node_tree' and description 'Get the complete node hierarchy of a scene (.tscn file)' indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Get the complete node hierarchy of a scene (.tscn file). It is categorised as a Read tool in the Godot MCP Unified MCP Server, which means it retrieves data without modifying state.
Register the Godot MCP Unified MCP server in PolicyLayer and add a rule for get_node_tree: 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 MCP Unified. Nothing to install.
get_node_tree is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_node_tree 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 get_node_tree. 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.
get_node_tree is provided by the Godot MCP Unified MCP server (pierrealexandreguillemin-a11y/godot-mcp-unified). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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