Sezzlee Excel MCP Server: Install & Setup

Install Sezzlee Excel in Claude Code

npm

Claude Code

claude mcp add sezzlee-excel -- npx -y @sezzlee/excel-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sezzlee-excel": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/excel-mcp"
      ]
    }
  }
}

npm

Claude Code

claude mcp add sezzlee-excel -e SEZZLEE_LLM_MODEL=... -- npx -y @sezzlee/llm-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sezzlee-excel": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/llm-mcp"
      ],
      "env": {
        "SEZZLEE_LLM_MODEL": "..."
      }
    }
  }
}

npm

Claude Code

claude mcp add sezzlee-excel -e SEZZLEE_MSSQL_SERVER=... -e SEZZLEE_MSSQL_DATABASE=... -e SEZZLEE_MSSQL_USER=... -e SEZZLEE_MSSQL_PASSWORD=... -- npx -y @sezzlee/mssql-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sezzlee-excel": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/mssql-mcp"
      ],
      "env": {
        "SEZZLEE_MSSQL_SERVER": "...",
        "SEZZLEE_MSSQL_DATABASE": "...",
        "SEZZLEE_MSSQL_USER": "...",
        "SEZZLEE_MSSQL_PASSWORD": "..."
      }
    }
  }
}

npm

Claude Code

claude mcp add sezzlee-excel -e SEZZLEE_OPENAPI_CONFIG=... -- npx -y @sezzlee/openapi-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sezzlee-excel": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/openapi-mcp"
      ],
      "env": {
        "SEZZLEE_OPENAPI_CONFIG": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Sezzlee Excel MCP server do?

Read spreadsheets; build immutable reports with bulk preparation, calculation, charts and pivots.

Is the Sezzlee Excel MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Sezzlee Excel run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Sezzlee Excel to Claude Code?

Run: claude mcp add sezzlee-excel -- npx -y @sezzlee/excel-mcp

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