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mcp/harbor
Grok

xlsx-tools-mcp for Grok

io.github.ruriazz/xlsx-tools-mcp

MCP server for accurate, structure-preserving read/write access to Excel (.xlsx) files

client:Grok transport:stdio runtime:pypi

Install xlsx-tools-mcp in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "xlsx-tools-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "xlsx-tools-mcp"
      ],
      "env": {
        "XLSX_MCP_FILES": "<XLSX_MCP_FILES>",
        "XLSX_MCP_RECALC_TIMEOUT": "<XLSX_MCP_RECALC_TIMEOUT>",
        "XLSX_MCP_LOCK_TIMEOUT": "<XLSX_MCP_LOCK_TIMEOUT>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

xlsx-tools-mcp in other clients

xlsx-tools-mcp MCP server