Unreal Engine API Documentation

local MCP server

Installation

Terminal

claude mcp add unreal-api-mcp -e UNREAL_VERSION=... -e UNREAL_PROJECT_PATH=... -- uvx unreal-api-mcp

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "unreal-api-mcp": {
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "...",
        "UNREAL_PROJECT_PATH": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

Accurate UE5 C++ API docs for AI agents. Prevents hallucinated signatures and includes.

Questions

Unreal Engine API Documentation is a local MCP server distributed as the pypi package unreal-api-mcp.

Run: claude mcp add unreal-api-mcp -e UNREAL_VERSION=... -e UNREAL_PROJECT_PATH=... -- uvx unreal-api-mcp

Run: codex mcp add unreal-api-mcp --env UNREAL_VERSION=... --env UNREAL_PROJECT_PATH=... -- uvx unreal-api-mcp

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