Get the complete Blueprint interface for a class (all BP-exposed functions, properties, events, delegates).
AI agents call get_blueprint_interface to retrieve information from Ue Codegraph 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 information about Blueprint-exposed symbols in a Unreal Engine codebase. It performs static analysis against a local SQLite database without modifying data, executing code, deleting resources, or creating side effects. The function is purely informational, analogous to grep or code search.
From the tool's definition Tool name and description indicate data retrieval: 'Get the complete Blueprint interface' for 'all BP-exposed functions, properties, events, delegates'.
Attacks that exploit this kind of access
Get the complete Blueprint interface for a class (all BP-exposed functions, properties, events, delegates). It is categorised as a Read tool in the Ue Codegraph MCP Server, which means it retrieves data without modifying state.
Register the Ue Codegraph MCP server in PolicyLayer and add a rule for get_blueprint_interface: 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 Ue Codegraph. Nothing to install.
get_blueprint_interface 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_interface 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_interface. 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_interface is provided by the Ue Codegraph MCP server (yomenstyle/ue-codegraph-mcp). 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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