ultranix-mcp

io.github.jxoesneon/ultranix-mcp · v1.4.0

Secure Linux desktop automation - input, screen/OCR/vision, AT-SPI2 UI tree, window, clipboard

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Terminal

claude mcp add ultranix-mcp -e ULTRANIX_MCP_API_KEY=<ULTRANIX_MCP_API_KEY> -e ULTRANIX_MCP_API_KEY_FILE=<ULTRANIX_MCP_API_KEY_FILE> -e ULTRANIX_MCP_API_KEY_EXPIRES=<ULTRANIX_MCP_API_KEY_EXPIRES> -e ULTRANIX_MCP_HISTORY_SECRET=<ULTRANIX_MCP_HISTORY_SECRET> -e ULTRANIX_MCP_SENTRY_DSN=<ULTRANIX_MCP_SENTRY_DSN> -e ULTRANIX_MCP_AUDIT_SECRET=<ULTRANIX_MCP_AUDIT_SECRET> -- docker run -i --rm ghcr.io/jxoesneon/ultranix-mcp:1.4.0

claude_desktop_config.json

{
  "mcpServers": {
    "ultranix-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ULTRANIX_MCP_API_KEY>",
        "ULTRANIX_MCP_API_KEY_FILE": "<ULTRANIX_MCP_API_KEY_FILE>",
        "ULTRANIX_MCP_API_KEY_EXPIRES": "<ULTRANIX_MCP_API_KEY_EXPIRES>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ULTRANIX_MCP_HISTORY_SECRET>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ULTRANIX_MCP_SENTRY_DSN>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ULTRANIX_MCP_AUDIT_SECRET>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "ultranix-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ULTRANIX_MCP_API_KEY>",
        "ULTRANIX_MCP_API_KEY_FILE": "<ULTRANIX_MCP_API_KEY_FILE>",
        "ULTRANIX_MCP_API_KEY_EXPIRES": "<ULTRANIX_MCP_API_KEY_EXPIRES>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ULTRANIX_MCP_HISTORY_SECRET>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ULTRANIX_MCP_SENTRY_DSN>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ULTRANIX_MCP_AUDIT_SECRET>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "ultranix-mcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ULTRANIX_MCP_API_KEY>",
        "ULTRANIX_MCP_API_KEY_FILE": "<ULTRANIX_MCP_API_KEY_FILE>",
        "ULTRANIX_MCP_API_KEY_EXPIRES": "<ULTRANIX_MCP_API_KEY_EXPIRES>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ULTRANIX_MCP_HISTORY_SECRET>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ULTRANIX_MCP_SENTRY_DSN>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ULTRANIX_MCP_AUDIT_SECRET>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`ULTRANIX_MCP_API_KEY` Optional, secret	API key(s) (uxcp_*) for HTTP transport auth - required for --transport http (fail-closed), unused on stdio
`ULTRANIX_MCP_API_KEY_FILE` Optional	Path to a 0600 file holding uxcp_* keys, one per line
`ULTRANIX_MCP_API_KEY_EXPIRES` Optional	Optional RFC 3339 expiry for the env-sourced key (self-revoking)
`ULTRANIX_MCP_HISTORY_SECRET` Optional, secret	AES-256-GCM secret for encrypted action history (per-install generated if unset)
`ULTRANIX_MCP_SENTRY_DSN` Optional, secret	Optional Sentry DSN for error reporting (unset = disabled)
`ULTRANIX_MCP_AUDIT_SECRET` Optional, secret	Optional HMAC-SHA256 signing secret for audit.jsonl lines (tamper evidence for SIEM ingestion)

Details

Package	`ghcr.io/jxoesneon/ultranix-mcp:1.4.0` (OCI, stdio)
First published	16 Sep 2026
Last updated	16 Sep 2026
Registry name	`io.github.jxoesneon/ultranix-mcp`

Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

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Tools

Environment variables

Details

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