umbriel
See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP.
Install
npmstdio
npx -y umbriel Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-obscuritysrl-umbriel": {
"command": "npx",
"args": [
"-y",
"umbriel"
]
}
}
} Source: official MCP Registry record · registry name io.github.ObscuritySRL/umbriel · published 2026-06-27 · updated 2026-06-27. Not an endorsement; review the code before connecting it to anything sensitive.