Janus MCP Server: Install & Setup

Install Janus in Claude Code

PyPI (uv)

Claude Code

claude mcp add janus -- uvx janus-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "janus": {
      "command": "uvx",
      "args": [
        "janus-mcp-server"
      ]
    }
  }
}

Docker

Claude Code

claude mcp add janus -- docker run -i --rm ghcr.io/tonylchang/janus-mcp:v0.4.1

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "janus": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/tonylchang/janus-mcp:v0.4.1"
      ]
    }
  }
}

Frequently asked questions

What does the Janus MCP server do?

Secure Kubernetes MCP server: scoped, redacted diagnostics and human-approved writes

Is the Janus MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Janus run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Janus to Claude Code?

Run: claude mcp add janus -- uvx janus-mcp-server

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