TL;DR
Umbriel is a Model Context Protocol (MCP) server. See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP. Install with: bunx umbriel. Source: https://github.com/ObscuritySRL/umbriel. Compatible with MCP clients such as Claude Desktop, Cursor, Cline and Windsurf.
Umbriel
See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP.
Install Command
bunx umbrielFrequently Asked Questions
Umbriel is a Model Context Protocol server that See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP.
You can install it by running the install command: `bunx umbriel`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Umbriel MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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Details
- Agent Rank
- 31.1
- License
- Last Updated
- Aug 11, 2026
- Languages
- TypeScript
Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.