ultranix-mcp MCP Server

io.github.jxoesneon/ultranix-mcp

Repository Registry

What is the ultranix-mcp MCP server?

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

How to install ultranix-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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

~/Library/Application Support/Claude/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": "<YOUR_ULTRANIX_MCP_API_KEY>",
        "ULTRANIX_MCP_API_KEY_FILE": "<YOUR_ULTRANIX_MCP_API_KEY_FILE>",
        "ULTRANIX_MCP_API_KEY_EXPIRES": "<YOUR_ULTRANIX_MCP_API_KEY_EXPIRES>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<YOUR_ULTRANIX_MCP_HISTORY_SECRET>",
        "ULTRANIX_MCP_SENTRY_DSN": "<YOUR_ULTRANIX_MCP_SENTRY_DSN>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<YOUR_ULTRANIX_MCP_AUDIT_SECRET>"
      }
    }
  }
}

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