umbriel

Indexed by io.github.ObscuritySRL

About

See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP.

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 varsUMBRIEL_PROFILE UMBRIEL_OS UMBRIEL_ALLOW UMBRIEL_DENY UMBRIEL_CURSOR UMBRIEL_FS_ROOT UMBRIEL_TRACE UMBRIEL_FFI_TRACE UMBRIEL_AUDIT UMBRIEL_REDACT

Claude Code

claude mcp add --env UMBRIEL_PROFILE= --env UMBRIEL_OS= --env UMBRIEL_ALLOW= --env UMBRIEL_DENY= --env UMBRIEL_CURSOR= --env UMBRIEL_FS_ROOT= --env UMBRIEL_TRACE= --env UMBRIEL_FFI_TRACE= --env UMBRIEL_AUDIT= --env UMBRIEL_REDACT= umbriel -- bunx umbriel

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":"umbriel","command":"bunx","args":["umbriel"],"env":{"UMBRIEL_PROFILE":"","UMBRIEL_OS":"","UMBRIEL_ALLOW":"","UMBRIEL_DENY":"","UMBRIEL_CURSOR":"","UMBRIEL_FS_ROOT":"","UMBRIEL_TRACE":"","UMBRIEL_FFI_TRACE":"","UMBRIEL_AUDIT":"","UMBRIEL_REDACT":""}}'

JSON

{
  "mcpServers": {
    "umbriel": {
      "command": "bunx",
      "args": [
        "umbriel"
      ],
      "env": {
        "UMBRIEL_PROFILE": "",
        "UMBRIEL_OS": "",
        "UMBRIEL_ALLOW": "",
        "UMBRIEL_DENY": "",
        "UMBRIEL_CURSOR": "",
        "UMBRIEL_FS_ROOT": "",
        "UMBRIEL_TRACE": "",
        "UMBRIEL_FFI_TRACE": "",
        "UMBRIEL_AUDIT": "",
        "UMBRIEL_REDACT": ""
      }
    }
  }
}

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