Unreal Engine API Documentation

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

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)

Env varsUNREAL_VERSION UNREAL_PROJECT_PATH

Claude Code

claude mcp add --env UNREAL_VERSION= --env UNREAL_PROJECT_PATH= unreal-api-mcp -- uvx unreal-api-mcp

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"unreal-api-mcp","command":"uvx","args":["unreal-api-mcp"],"env":{"UNREAL_VERSION":"","UNREAL_PROJECT_PATH":""}}'

JSON

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

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.