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xlsx

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization.

Skill by snykOfficial

IndexedProprietary. LICENSE.txt has complete terms★ 3,169
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/snyk-xlsx

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

Use cases: spreadsheets, data, writing, data-analysis

Reviews

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found
Runs as
Python package

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/xlsx

What's inside

Skill name
xlsx
Description
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
License
Proprietary. LICENSE.txt has complete terms
Instructions
285 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts

Files (3)

  • LICENSE.txt
  • SKILL.md
  • recalc.py

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

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    Signals

    Stars
    3,169
    Forks
    293
    Open issues
    12
    Last commit (this folder)
    Feb 3, 2026 (8 months ago)
    Last release
    Oct 20, 2026 (7 days ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    License
    Proprietary. LICENSE.txt has complete terms
    Repository
    github.com/snyk/agent-scan
    Website
    www.skillsbench.ai
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    GitHubgithub-graphql

    Same skill elsewhere

    Copies of this SKILL.md published by others; search shows only one of them.

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    Cite this page

    xlsx skill. Agent Mart. https://agentmart.dev/skills/snyk-xlsx (last updated 2026-10-24)