xlsx
About
The xlsx skill enables Claude to programmatically create, edit, and analyze spreadsheet files (like .xlsx and .csv) with full support for formulas, formatting, and data visualization. It can read data, modify existing files while preserving their structure and formulas, and perform data analysis. Use this skill when your application needs to generate, process, or automate tasks involving spreadsheet documents.
Quick Install
Claude Code
Recommendednpx skills add davepoon/buildwithclaude -a claude-code/plugin add https://github.com/davepoon/buildwithclaudegit clone https://github.com/davepoon/buildwithclaude.git ~/.claude/skills/xlsxCopy and paste this command in Claude Code to install this skill
GitHub Repository
Frequently asked questions
What is the xlsx skill?
xlsx is a Claude Skill by davepoon. Skills package instructions and resources that Claude loads on demand, so Claude can perform xlsx-related tasks without extra prompting.
How do I install xlsx?
Use the install commands on this page: add xlsx to Claude Code as a plugin, or clone its repository into your skills directory, then restart Claude so it picks up the skill.
What category does xlsx belong to?
xlsx is in the document-processing category, tagged excel, ai, design and data.
Is xlsx free to use?
Yes. xlsx is listed on AIMCP and free to install. It runs inside Claude, so no separate service account is required to use the skill itself.
Related Skills
This skill enables developers to create and edit Obsidian Bases (.base files) for building database-like views of notes. It supports configuring views, filters, formulas, and summaries within these YAML files. Use it when working with Obsidian's table/card views or when implementing dynamic note organization and calculated fields.
This skill enables Claude to create and edit Obsidian Flavored Markdown, handling its unique syntax like wikilinks, callouts, frontmatter properties, and embeds. Use it when working with .md files in an Obsidian vault or when the user mentions any Obsidian-specific features. It ensures output is valid for the Obsidian knowledge base application.
This skill enables developers to create and edit JSON Canvas files (`.canvas`) for visual tools like Obsidian, supporting nodes, edges, groups, and connections. It's ideal for building mind maps, flowcharts, and interactive diagrams programmatically. Use it whenever you need to generate or modify structured canvas data for visual organization.
This skill enables developers to create and edit Obsidian `.base` files, which define database-like views of notes using YAML. It supports configuring views, filters, formulas, and summaries for organizing notes in table, card, or list layouts. Use it when building task trackers, dashboards, or any structured data view within an Obsidian vault.
