ultranix MCP Server

by jxoesneonio.github.jxoesneon/ultranix-mcpv1.4.0

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Active22d ago

Install ultranix MCP server

claude mcp add ultranix -e ULTRANIX_MCP_API_KEY='<ultranix-mcp-api-key>' -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 -e ULTRANIX_MCP_API_KEY -e ULTRANIX_MCP_HISTORY_SECRET -e ULTRANIX_MCP_SENTRY_DSN -e ULTRANIX_MCP_AUDIT_SECRET ghcr.io/jxoesneon/ultranix-mcp:1.4.0

{
  "mcpServers": {
    "ultranix": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ULTRANIX_MCP_API_KEY",
        "-e",
        "ULTRANIX_MCP_HISTORY_SECRET",
        "-e",
        "ULTRANIX_MCP_SENTRY_DSN",
        "-e",
        "ULTRANIX_MCP_AUDIT_SECRET",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ultranix-mcp-api-key>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ultranix-mcp-history-secret>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ultranix-mcp-sentry-dsn>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ultranix-mcp-audit-secret>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "ultranix": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ULTRANIX_MCP_API_KEY",
        "-e",
        "ULTRANIX_MCP_HISTORY_SECRET",
        "-e",
        "ULTRANIX_MCP_SENTRY_DSN",
        "-e",
        "ULTRANIX_MCP_AUDIT_SECRET",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ultranix-mcp-api-key>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ultranix-mcp-history-secret>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ultranix-mcp-sentry-dsn>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ultranix-mcp-audit-secret>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "ultranix": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ULTRANIX_MCP_API_KEY",
        "-e",
        "ULTRANIX_MCP_HISTORY_SECRET",
        "-e",
        "ULTRANIX_MCP_SENTRY_DSN",
        "-e",
        "ULTRANIX_MCP_AUDIT_SECRET",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ultranix-mcp-api-key>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ultranix-mcp-history-secret>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ultranix-mcp-sentry-dsn>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ultranix-mcp-audit-secret>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "ultranix": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "ULTRANIX_MCP_API_KEY",
        "-e",
        "ULTRANIX_MCP_HISTORY_SECRET",
        "-e",
        "ULTRANIX_MCP_SENTRY_DSN",
        "-e",
        "ULTRANIX_MCP_AUDIT_SECRET",
        "ghcr.io/jxoesneon/ultranix-mcp:1.4.0"
      ],
      "env": {
        "ULTRANIX_MCP_API_KEY": "<ultranix-mcp-api-key>",
        "ULTRANIX_MCP_HISTORY_SECRET": "<ultranix-mcp-history-secret>",
        "ULTRANIX_MCP_SENTRY_DSN": "<ultranix-mcp-sentry-dsn>",
        "ULTRANIX_MCP_AUDIT_SECRET": "<ultranix-mcp-audit-secret>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
ULTRANIX_MCP_API_KEY	—	yes	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	—	yes	AES-256-GCM secret for encrypted action history (per-install generated if unset)
ULTRANIX_MCP_SENTRY_DSN	—	yes	Optional Sentry DSN for error reporting (unset = disabled)
ULTRANIX_MCP_AUDIT_SECRET	—	yes	Optional HMAC-SHA256 signing secret for audit.jsonl lines (tamper evidence for SIEM ingestion)

Freshness

Active — last maintenance signal 22d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-17 · 22d ago · GitHub
Latest release
2026-09-16 · 23d ago · GitHub · v1.4.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-16 · 23d ago · official registry · v1.4.0

FAQ

›How do I install the ultranix MCP server in Claude Code?

Run: claude mcp add ultranix -e ULTRANIX_MCP_API_KEY='<ultranix-mcp-api-key>' -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 -e ULTRANIX_MCP_API_KEY -e ULTRANIX_MCP_HISTORY_SECRET -e ULTRANIX_MCP_SENTRY_DSN -e ULTRANIX_MCP_AUDIT_SECRET ghcr.io/jxoesneon/ultranix-mcp:1.4.0. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does ultranix require an API key?

Yes. It expects ULTRANIX_MCP_API_KEY, ULTRANIX_MCP_HISTORY_SECRET, ULTRANIX_MCP_SENTRY_DSN, ULTRANIX_MCP_AUDIT_SECRET, of which 4 are secrets.

›Can I use ultranix as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is ultranix in the official MCP registry?

Yes, as io.github.jxoesneon/ultranix-mcp.