# XLSX (agent skill)

> XLSX is an agent skill (a SKILL.md file) from ThinkInAIXYZ/deepchat. Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 6,371 GitHub stars across a repository of 4 listed skills.

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 A user may ask you to create, edit, or analyze the…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/ThinkInAIXYZ/deepchat |
| Skill path | resources/skills/xlsx/SKILL.md |
| Skill name | xlsx |
| GitHub stars | 6,371 |
| Installs on skills.sh | not listed |
| License | Apache-2.0 |
| Skills in repo | 4 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Codex, Cursor, GitHub Copilot, OpenCode |
| Category | Data & analysis |
| Last commit | Oct 26, 2026 |

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/ThinkInAIXYZ/deepchat.git
cp -r deepchat/resources/skills/xlsx ~/.claude/skills/xlsx   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/ThinkInAIXYZ/deepchat.git
cp -r deepchat/resources/skills/xlsx .agents/skills/xlsx   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/ThinkInAIXYZ/deepchat.git
cp -r deepchat/resources/skills/xlsx .cursor/skills/xlsx   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/thinkinaixyz-xlsx
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