Find all functions called by the given function.
AI agents call find_callees to retrieve information from Unreal Source without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries data from a local Unreal Engine source code database. It analyzes call graphs to enumerate dependencies without any side effects. The operation is purely informational, analogous to grep or static analysis inspection. No data is created, modified, deleted, or executed; the tool merely traverses pre-indexed structural metadata.
From the tool's definition Tool performs structural queries on indexed source code to "find all functions called by the given function" — a read-only analysis operation with no modification, deletion, or execution of code.
Attacks that exploit this kind of access
Find all functions called by the given function. It is categorised as a Read tool in the Unreal Source MCP Server, which means it retrieves data without modifying state.
Register the Unreal Source MCP server in PolicyLayer and add a rule for find_callees: 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 Source. Nothing to install.
find_callees 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 find_callees 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 find_callees. 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.
find_callees is provided by the Unreal Source MCP server (tumourlove/deprecated-unreal-source-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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