mcp-server-kubernetes

Integrations

Docker support is in progress as mentioned in the 'In Progress' section
Support for Helm to install charts is listed as a planned feature
Allows connecting to a Kubernetes cluster to manage it, including listing, creating, deleting, and describing pods, services, deployments, and namespaces

MCP Server Kubernetes

MCP Server that can connect to a Kubernetes cluster and manage it.

https://github.com/user-attachments/assets/f25f8f4e-4d04-479b-9ae0-5dac452dd2ed

Usage with Claude Desktop

{
  "mcpServers": {
    "kubernetes": {
      "command": "npx",
      "args": ["mcp-server-kubernetes"]
    }
  }
}

The server will automatically connect to your current kubectl context. Make sure you have:

kubectl installed and in your PATH
A valid kubeconfig file with contexts configured
Access to a Kubernetes cluster configured for kubectl (e.g. minikube, Rancher Desktop, GKE, etc.)
Helm v3 installed and in your PATH (no Tiller required). Optional if you don't plan to use Helm.

You can verify your connection by asking Claude to list your pods or create a test deployment.

If you have errors open up a standard terminal and run kubectl get pods to see if you can connect to your cluster without credentials issues.

Usage with mcp-chat

mcp-chat is a CLI chat client for MCP servers. You can use it to interact with the Kubernetes server.

npx mcp-chat --server "npx mcp-server-kubernetes"

Alternatively, pass it your existing Claude Desktop configuration file from above (Linux should pass the correct path to config):

Mac:

npx mcp-chat --config "~/Library/Application Support/Claude/claude_desktop_config.json"

Windows:

npx mcp-chat --config "%APPDATA%\Claude\claude_desktop_config.json"

Features

Connect to a Kubernetes cluster
List all pods, services, deployments
List, Describe nodes
Create, describe, delete a pod
List all namespaces, create a namespace
Create custom pod & deployment configs, update deployment replicas
Create, describe, delete, update a service
Create, get, update, delete a ConfigMap
Get logs from a pod for debugging (supports pods, deployments, jobs, and label selectors)
Support Helm v3 for installing charts
- Install charts with custom values
- Uninstall releases
- Upgrade existing releases
- Support for namespaces
- Support for version specification
- Support for custom repositories
kubectl explain and kubectl api-resources support
Get Kubernetes events from the cluster
Port forward to a pod or service
Create, list, and decribe cronjobs
Non-destructive mode for read and create/update-only access to clusters

Local Development

Make sure that you have bun installed. Clone the repo & install dependencies:

git clone https://github.com/Flux159/mcp-server-kubernetes.git
cd mcp-server-kubernetes
bun install

Development Workflow

Start the server in development mode (watches for file changes):

bun run dev

Run unit tests:

bun run test

Build the project:

bun run build

Local Testing with Inspector

npx @modelcontextprotocol/inspector node dist/index.js
# Follow further instructions on terminal for Inspector link

Local testing with Claude Desktop

{
  "mcpServers": {
    "mcp-server-kubernetes": {
      "command": "node",
      "args": ["/path/to/your/mcp-server-kubernetes/dist/index.js"]
    }
  }
}

Local testing with mcp-chat

bun run chat

Contributing

See the CONTRIBUTING.md file for details.

Advanced

Additional Advanced Features

For more advanced information like using SSE transport, Non-destructive mode with ALLOW_ONLY_NON_DESTRUCTIVE_TOOLS, see the ADVANCED_README.md.

Architecture

See this DeepWiki link for a more indepth architecture overview created by Devin.

This section describes the high-level architecture of the MCP Kubernetes server.

Request Flow

The sequence diagram below illustrates how requests flow through the system:

Publishing new release

Go to the releases page, click on "Draft New Release", click "Choose a tag" and create a new tag by typing out a new version number using "v{major}.{minor}.{patch}" semver format. Then, write a release title "Release v{major}.{minor}.{patch}" and description / changelog if necessary and click "Publish Release".

This will create a new tag which will trigger a new release build via the cd.yml workflow. Once successful, the new release will be published to npm. Note that there is no need to update the package.json version manually, as the workflow will automatically update the version number in the package.json file & push a commit to main.

Not planned

Authentication / adding clusters to kubectx.

mcp-server-kubernetes

Integrations