Janus MCP

Janus MCP is a local Model Context Protocol server that provides AI assistants with safe, scoped, and redacted access to Kubernetes clusters. It keeps KUBECONFIG credentials local, applies multiple redaction layers to remove secrets and sensitive data from responses, and enforces human approval for write operations like rolling out restarts or scaling deployments. It supports read-only diagnostics such as pod inventory, events, logs, and cluster summaries.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by tonylchang

You need:uv tool install janus-mcp-serverpipx install janus-mcp-serverpip install janus-mcp-serverbrew install tonylchang/tap/janus-mcp

Vendor documentation

What you can do with it

Get pod inventory and status for allowed namespaces
View recent warning and normal events in sanitized format
Retrieve bounded and scrubbed log tails
Restart deployments or scale workloads with human approval

Source and maintenance

Community listingRegistry 0.4.1

mcp-registry: io.github.tonylchang/janus-mcp@0.4.1 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

ghcr.io/tonylchang/janus-mcp:v0.4.1

oci

ghcr.io/tonylchang/janus-mcp:v0.4.1 package definition

{
  "transport": "stdio",
  "identifier": "ghcr.io/tonylchang/janus-mcp:v0.4.1",
  "registryType": "oci",
  "runtimeArguments": [
    {
      "type": "positional",
      "value": "-i",
      "description": "Interactive: stdio is the MCP transport"
    },
    {
      "type": "positional",
      "value": "--rm",
      "description": "Remove the container on exit"
    },
    {
      "name": "-v",
      "type": "named",
      "value": "{kubeconfig_path}:/home/janus/.kube/config:ro",
      "variables": {
        "kubeconfig_path": {
          "format": "filepath",
          "default": "~/.kube/config",
          "isRequired": true,
          "description": "Path to the kubeconfig on the host"
        }
      },
      "isRequired": true,
      "description": "Mount the kubeconfig read-only"
    },
    {
      "name": "-v",
      "type": "named",
      "value": "{config_dir}:/home/janus/.config/janus-mcp:ro",
      "variables": {
        "config_dir": {
          "format": "filepath",
          "default": "~/.config/janus-mcp",
          "isRequired": true,
          "description": "Directory containing config.yaml (pinned context, allowed namespaces)"
        }
      },
      "isRequired": true,
      "description": "Mount the janus-mcp operator config read-only"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

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

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

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

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

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

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

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

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