KVM MCP Server

@steveydevey

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steveydevey

关于 KVM MCP Server

An MCP server for KVM hypervisors

#kvm-hypervisor#mcp-server

KVM MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "kvm-mcp": {
      "command": "python3",
      "args": [
        "-m",
        "venv",
        ".venv"
      ]
    }
  }
}

KVM MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is KVM MCP Server?

A JSON-RPC server for managing KVM virtual machines through a unified interface. It centralizes control and monitoring of KVM VMs using a standardized protocol, replacing multiple command-line tools like virsh and virt-install.

How to use KVM MCP Server?

After installing prerequisites (Python 3.6+, KVM/libvirt, a configured network bridge and VM storage directory), clone the repository, create a virtual environment, install dependencies from requirements.txt, and edit config.json to match your environment. Start the server with python3 kvm_mcp_server.py and send JSON-RPC commands; example scripts (create_vm.sh, get_vnc_ports.sh) are provided.

Key features of KVM MCP Server

VM lifecycle management (create, start, stop, reboot, list)
Network management using bridges (default brforvms)
Storage management with qcow2 disk format
VNC display support with automatic port assignment
Installation from ISO or local CDROM
Connection pooling, caching, and asynchronous processing

Use cases of KVM MCP Server

Automate VM provisioning and lifecycle management
Remotely control and monitor KVM virtual machines
Standardize VM configuration across infrastructure
Integrate VM operations into scripts or pipelines
Optimize performance with connection pooling and caching

常见问题

What are the prerequisites for running KVM MCP Server?

Python 3.6 or higher, KVM and libvirt installed on the host system, the network bridge `brforvms` configured, and a VM storage directory (default `/vm/`) created.

How do I configure the server?

Edit `config.json` to set default disk path, ISO, memory, vCPUs, disk size, network bridge, and ignition settings. Environment variable overrides are supported for each setting (e.g., `VM_DISK_PATH`, `VM_DEFAULT_MEMORY`).

Can I bypass the cache to get fresh VM information?

Yes, pass `"no_cache": true` in the `list_vms` call arguments to force a fresh query from libvirt.

What performance optimizations are included?

Connection pooling (configurable pool size, automatic recovery), VM info caching (configurable TTL and max size), asynchronous processing for better concurrency, and structured logging with performance metrics.

How do I monitor server health and performance?

The server logs to `kvm_mcp.log` (rotated at 10MB) with timing, connection pool status, cache hit/miss ratios, and operation metrics. Performance statistics are also available through the monitoring features.

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