Fathom Unreal MCP Server

Example Use Cases

• 1

  Solution-wide diagnostics and code inspections in Unreal Engine 5 C++ projects.

• 2

  Discover Blueprint and asset relationships linked to C++ classes.

• 3

  Up-to-date project context to reduce hallucinations and improve code generation accuracy.

Description

Fathom is a free, open-source MCP server plugin designed to help AI coding assistants better understand Unreal Engine 5 C++ projects by exposing full project context, including Blueprint and asset relationships. It enables solution-wide code analysis, automatic data freshness, and over 15 MCP tools accessible via a local HTTP endpoint. This reduces AI hallucinations and improves code accuracy without automating editing tasks.