MCP Kubernetes Server

Instructions

Implementation Reference

• kubernetes.py:190-204 (handler)

  This is the handler function for the 'create_deployment' tool, decorated with @mcp.tool() which registers it in the FastMCP server. It uses kubectl to create a deployment with the given name, image, namespace, and replicas.

  @mcp.tool()
  async def create_deployment(name: str, image: str, namespace: str = "default", replicas: int = 1) -> dict:
      """Create a Kubernetes deployment with specified name, image, namespace and replicas"""
      try:
          # Apply the deployment
          cmd = ["kubectl", "create", "deploy", name, 
                 "--replicas", str(replicas), 
                 "--image", image,
                 "-n", namespace]
          result = subprocess.run(cmd, capture_output=True, text=True, check=True)
          
          return {"message": f"Deployment {name} created successfully in namespace {namespace}", 
                  "details": result.stdout}
      except subprocess.CalledProcessError as e:
          return {"error": f"Failed to create deployment: {str(e)}"}