Letin: Power Query (M) vs Excel MCP Server

In-depth architectural comparison of the Letin: Power Query (M) and Excel MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

L

Choose Letin: Power Query (M) when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Letin: Power Query (M) Details

Choose Excel MCP Server when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Workbook and worksheet CRUD operations, Formula and data manipulation, Formatting and conditional formatting.

Explore Excel MCP Server Details

Feature & Specification Comparison

Specification	L Letin: Power Query (M) Workplace & Productivity	Excel MCP Server haris-musa Workplace & Productivity
Summary	Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.	An Excel manipulation server providing workbook creation, data operations, formatting, and advanced features (charts, pivot tables, formulae).
Category & Scope	Workplace & Productivity

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "letin-power-query-m": {
      "command": "npx",
      "args": [
        "-y",
        "letin-power-query-m"
      ]
    }
  }
}

{
  "mcpServers": {
    "haris-musa-excel-mcp-server": {
      "command": "uvx",
      "args": [
        "excel-mcp-server"
      ]
    }
  }
}

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