# Excel

> Use this tool when you need to interact with structured data in Excel spreadsheets, such as reading or writing text values in xlsx format files. It solves problems like data analysis, report generation, and automated spreadsheet updates, particularly in Node.js environments. The tool takes Excel files as input and outputs spreadsheet data, making it ideal for AI-driven applications that require seamless integration with Microsoft Excel.

Canonical page: https://skillsregistry.net/skills/negokaz-excel  
JSON: https://api.skillsregistry.net/v1/skills/negokaz-excel

## Description

This Excel MCP server, developed by Kazuki Negoro, provides a bridge between Model Context Protocol and Microsoft Excel files. It enables reading and writing of spreadsheet data, specifically focusing on text values in xlsx format files. The implementation is designed for Node.js environments and leverages libraries like exceljs for Excel file manipulation. It's particularly useful for scenarios where AI assistants or other MCP-compatible clients need to interact with structured data stored in Excel spreadsheets, such as data analysis, report generation, or automated spreadsheet updates based on AI-driven insights.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/negokaz-excel)
- **Repository:** <https://github.com/negokaz/excel-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "negokaz-excel"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/negokaz-excel` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/negokaz-excel/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt