get_blueprint_class_defaults
A read tool on the Unreal- MCP server.
This record as markdown: /tools/aadeshrao123-unreal-mcp/get-blueprint-class-defaults.md
What get_blueprint_class_defaults does on Unreal-MCP
AI agents call get_blueprint_class_defaults to retrieve information from Unreal-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_blueprint_class_defaults is rated Low
Despite having an empty description, the tool name's structure and context as part of an Unreal Engine editor control suite indicate it retrieves blueprint class default values without modification. This is a typical Read operation with minimal risk—an AI querying defaults cannot corrupt state or cause harm. Low severity due to its informational nature and narrow blast radius.
From the tool's definition Tool name 'get_blueprint_class_defaults' indicates a getter operation retrieving default values from a blueprint class. The 'get_' prefix strongly suggests a read-only query with no side effects.
Attacks that exploit this kind of access
The rule that runs get_blueprint_class_defaults safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Unreal-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_blueprint_class_defaults, this is the rule to start with:
get_blueprint_class_defaults is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Unreal-MCP, apply this rule, and every get_blueprint_class_defaults call is checked against it from then on.
Questions about get_blueprint_class_defaults
get_blueprint_class_defaults is a read tool on the Unreal MCP server. It is categorised as a Read tool in the Unreal-MCP MCP Server, which means it retrieves data without modifying state.
Register the Unreal MCP server in PolicyLayer and add a rule for get_blueprint_class_defaults: 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 Unreal-MCP. Nothing to install.
get_blueprint_class_defaults 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_blueprint_class_defaults 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_blueprint_class_defaults. 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_blueprint_class_defaults is provided by the Unreal MCP server (aadeshrao123/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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