# Spreadsheet

> Use this tool when you need to manage and analyze data in spreadsheet files, including reading and writing cell-level data and performing complex queries across multiple sheets and files. It solves problems related to data manipulation, aggregation, and analysis, and accepts spreadsheet files as input, outputting queried data in various formats. Ideal for use cases involving data processing, reporting, and business intelligence tasks.

Canonical page: https://skillsregistry.net/skills/gh-marekrost-spreadsheet  
JSON: https://api.skillsregistry.net/v1/skills/gh-marekrost-spreadsheet

## Description

Provides cell-level read and write operations for spreadsheet files including .xlsx, .csv, and .ods formats. Includes a DuckDB SQL query engine for running JOINs, GROUP BY, and aggregates across sheets and files.

## Trust

- **Trust score (0–1):** 0.87
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

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

## 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": "gh-marekrost-spreadsheet"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/gh-marekrost-spreadsheet` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/gh-marekrost-spreadsheet/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