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Multi-Cluster MCP Server

Multi-Cluster MCP Server

by yanmxa

Open Cluster Management MCP Server

The OCM MCP Server provides a robust gateway for Generative AI (GenAI) systems to interact with multiple Kubernetes clusters through the Model Context Protocol (MCP). It facilitates comprehensive operations on Kubernetes resources, streamlined multi-cluster management, and delivered interactive cluster observability.

πŸš€ Features

πŸ› οΈ MCP Tools - Kubernetes Cluster Awareness

  • βœ… Retrieve resources from the hub cluster (current context)

  • βœ… Retrieve resources from the managed clusters

  • βœ… Connect to a managed cluster using a specified ClusterRole

  • βœ… Access resources across multiple Kubernetes clusters(via Open Cluster Management)

  • πŸ”„ Retrieve and analyze metrics, logs, and alerts from integrated clusters

  • ❌ Interact with multi-cluster APIs, including Managed Clusters, Policies, Add-ons, and more

    alt text

    Watch the demo

πŸ“¦ Prompt Templates for Open Cluster Management (Planning)

  • Provide reusable prompt templates tailored for OCM tasks, streamlining agent interaction and automation

πŸ“š MCP Resources for Open Cluster Management (Planning)

  • Reference official OCM documentation and related resources to support development and integration

πŸ“Œ How to Use

Configure the server using the following snippet:

{
  "mcpServers": {
    "multicluster-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "multicluster-mcp-server@latest"
      ]
    }
  }
}

Note: Ensure kubectl is installed. By default, the tool uses the KUBECONFIG environment variable to access the cluster. In a multi-cluster setup, it treats the configured cluster as the hub cluster, accessing others through it.

Related MCP server: kube-mcp

License

This project is licensed under the MIT License.

Available Tools

4 tools
clustersB

Retrieves a list of Kubernetes clusters (also known as managed clusters or spoke clusters).

Inputs: no named parameters.

connect_clusterC

Generates the 'KUBECONFIG' for the managed cluster and binds it to the specified ClusterRole (default: cluster-admin).

Inputs: cluster (required), cluster_role.

kube_executorB

Securely run a kubectl command or apply YAML. Provide either 'command' or 'yaml'.

Inputs: cluster, command, yaml.

prometheusB

Query Prometheus metrics from a specific cluster and format the results for Recharts visualization.

Inputs: ql (required), cluster, data_type, end, +4 more.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    B3.3/5.0

    Scored across 4 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose with no overlap: clusters lists clusters, connect_cluster generates access credentials, kube_executor runs kubectl commands, and prometheus queries metrics. The descriptions clearly differentiate their functions, eliminating any ambiguity for an agent.

    Naming Consistency3/5

    The naming is mixed with no consistent pattern: clusters is a noun, connect_cluster uses verb_noun, kube_executor uses a compound noun, and prometheus is a proper noun. While readable, the lack of a uniform convention (e.g., all verb_noun or all nouns) reduces predictability.

    Tool Count4/5

    With 4 tools, the count is slightly low but reasonable for a multi-cluster Kubernetes management server. It covers core operations like listing clusters, accessing them, executing commands, and monitoring metrics, though it could benefit from additional tools for more comprehensive management.

    Completeness3/5

    The toolset covers key areas (discovery, access, execution, monitoring) but has notable gaps for a multi-cluster domain, such as creating/deleting clusters, managing resources across clusters, or handling configurations. Agents can work around this for basic tasks, but advanced operations may be limited.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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