disk-expansion-precheck

An MCP Server for Alibaba Cloud ECS disk expansion precheck.

Features

• Runs over stdio
• Exposes one MCP tool: disk_expansion_precheck
• Validates inputs before execution
• Performs six precheck groups for Alibaba Cloud ECS disk expansion:
  • instance information
  • online expansion support
  • temporary storage risk
  • disk layout and filesystem usage
  • backup management
  • resource quota

Requirements

• Python 3.12+
• uv
• Alibaba Cloud credentials available as environment variables:
  • ALIBABA_CLOUD_ACCESS_KEY_ID
  • ALIBABA_CLOUD_ACCESS_KEY_SECRET
  • ALIBABA_CLOUD_SECURITY_TOKEN when using STS credentials

Run From Source

uv sync
uv run disk-expansion-precheck

Run After Publishing

uvx disk-expansion-precheck

Tool

disk_expansion_precheck

This tool returns a structured JSON precheck report.

Required inputs:

• cloud_provider
• region
• instance_id
• disk_id
• target_size_gb
• os_type
• disk_role

Common optional inputs:

• dist_name
• current_size_gb
• filesystem_type
• partition_scheme
• lvm_in_use
• service_criticality
• change_window
• provider_constraints
• asset_information
• topology_information
• zone_id
• instance_name
• expected_backup_policy
• quota_scope_hint
• temporary_disk_hints

Output structure:

• status
• summary
• checks
• risk_summary
• recommended_next_steps
• error

Inspector

Local source run:

npx @modelcontextprotocol/inspector uv run disk-expansion-precheck

Cherry Studio Config

Published package:

{
  "mcpServers": {
    "disk-expansion-precheck": {
      "command": "uvx",
      "args": ["disk-expansion-precheck"]
    }
  }
}

Source run:

{
  "mcpServers": {
    "disk-expansion-precheck": {
      "command": "uv",
      "args": ["run", "disk-expansion-precheck"]
    }
  }
}

Package Layout

Source code lives in:

• src/disk_expansion_precheck