Source: kubestellar/kubestellar-mcp/commands/helm-install.md

Helm Install

Install or upgrade a Helm chart to multiple clusters.

Usage

Install a Helm chart to clusters. Can specify target clusters explicitly or deploy to all available clusters.

Examples

• “Install nginx chart to all clusters”
• “Helm install my-app ./charts/myapp to production cluster”
• “Deploy redis chart version 17.0.0 to clusters with label env=staging”
• “Install prometheus with custom values to monitoring namespace”

What it does

1. Finds target clusters (specified or all available)
2. Runs helm upgrade --install on each cluster
3. Reports success/failure per cluster

MCP Tools Used

• helm_install - Install or upgrade a Helm release

Implementation

Use the helm_install tool with:

• release_name: Name for the Helm release (required)
• chart: Chart name, path, or OCI URL (required)
• namespace: Target namespace (default: default)
• values: Key-value pairs for —set
• values_yaml: Full YAML values
• version: Specific chart version
• repo: Chart repository URL
• wait: Wait for resources to be ready
• timeout: Timeout for wait
• dry_run: Preview without applying
• clusters: Target clusters (all if not specified)

Examples of Tool Calls

{
  "release_name": "my-nginx",
  "chart": "nginx",
  "repo": "https://charts.bitnami.com/bitnami",
  "namespace": "web",
  "values": {
    "replicaCount": "3",
    "service.type": "LoadBalancer"
  },
  "wait": true
}