SERVER
Umbriel
Rank #4,811io.github.ObscuritySRL/umbriel
See and drive a whole Windows machine from Bun — apps, input, screen, OCR, registry, OS — via MCP.
First listed
Jun 20, 2026
Last publish date
Jun 27, 2026
OVERVIEW
Umbriel is a Model Context Protocol (MCP) server published by ObscuritySRL. It ranks #4,811 of 76,851 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Umbriel is listed across 2 registries — Official MCP and PulseMCP, with 2 tracked versions. It was first listed on Jun 20, 2026 and most recently updated on Jun 27, 2026.
STANDING
#4,811of 76,851 tracked serversTop 10%
Ranks ahead of 72,040 of 76,851 servers on MCP Toplist.
CONNECT
Use Umbriel
Add Umbriel to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
npm package
{
"mcpServers": {
"umbriel": {
"command": "npx",
"args": [
"-y",
"umbriel"
],
"env": {
"UMBRIEL_PROFILE": "<your UMBRIEL_PROFILE>",
"UMBRIEL_OS": "<your UMBRIEL_OS>",
"UMBRIEL_ALLOW": "<your UMBRIEL_ALLOW>",
"UMBRIEL_DENY": "<your UMBRIEL_DENY>",
"UMBRIEL_CURSOR": "<your UMBRIEL_CURSOR>",
"UMBRIEL_FS_ROOT": "<your UMBRIEL_FS_ROOT>",
"UMBRIEL_TRACE": "<your UMBRIEL_TRACE>",
"UMBRIEL_FFI_TRACE": "<your UMBRIEL_FFI_TRACE>",
"UMBRIEL_AUDIT": "<your UMBRIEL_AUDIT>",
"UMBRIEL_REDACT": "<your UMBRIEL_REDACT>"
}
}
}
}Replace each placeholder with your own value before saving.
REGISTRIES
Listed on 2 registries
ORGANIZATION
ObscuritySRL
MORE FROM THIS PUBLISHER
Other servers by ObscuritySRL
View all ObscuritySRL servers →VERSIONS
Available versions (2)
| Version | Published |
|---|---|
| 1.14.0 | Jun 27, 2026 |
| 1.10.1 | Jun 20, 2026 |
FAQ
Frequently asked questions
- Who maintains Umbriel?
- Umbriel is maintained by ObscuritySRL, which publishes 2 MCP servers (4 total versions) tracked on MCP Toplist.
- Is Umbriel listed on the Official MCP Registry?
- Yes — Umbriel is listed on the Official MCP Registry, alongside PulseMCP.
- How many versions does Umbriel have?
- MCP Toplist tracks 2 versions of Umbriel, most recently published on Jun 27, 2026.
- Where can I find the source code for Umbriel?
- The source code for Umbriel is hosted at github.com/obscuritysrl/umbriel.
EXPLORE