osaurus-xlsx

Read, create, and edit Excel .xlsx workbooks with in-memory state transitions.

3|1|Updated Feb 9, 2026

Search Tags:#spreadsheet #excel #save #xlsx #modify #read

Ready to run

npx skills add https://github.com/dinoki-ai/osaurus-xlsx --skill osaurus-xlsx

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: osaurus-xlsx
Source: https://github.com/dinoki-ai/osaurus-xlsx/tree/main
Command: npx skills add https://github.com/dinoki-ai/osaurus-xlsx --skill osaurus-xlsx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This plugin addresses the need to programmatically read, create, and modify Excel (.xlsx) workbooks without manual spreadsheet editing, reducing repetitive tasks and human error.

Core Features & Use Cases

Reading & Loading: read and load workbooks to obtain a workbook_id and structured data.
Mutations & Transformation: modify cells, add sheets, and batch operations, then save to disk.
Conversion: export sheets to CSV/TSV and import CSV/TSV data into a new workbook.
Use Case: automate monthly data consolidation by reading multiple files, applying transformations, and saving a final workbook.

Quick Start

Create a new workbook with a sheet named 'Summary', add headers 'Name' and 'Value', insert a few example rows, and save as summary.xlsx.

Frequently Asked Questions about osaurus-xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I automate reading and modifying Excel workbooks?▼

Automate Excel workbooks by loading files to obtain a workbook_id and structured data, applying cell mutations or transformations, then saving the final .xlsx file to disk. This eliminates manual spreadsheet editing and repetitive tasks.

What is the best way to consolidate multiple Excel files into one?▼

Consolidating Excel files involves reading multiple workbooks, applying batch transformations like adding sheets or modifying cells, and saving the combined results into a single workbook. This automated workflow reduces human error in monthly data consolidation.

Can I convert Excel sheets to CSV or import CSV data into a workbook?▼

Yes, you can export existing sheets to CSV or TSV formats and import CSV or TSV data into a new workbook. This enables seamless data conversion between spreadsheet and delimited text formats within your automated workflows.

Do I need any spreadsheet software installed to create and save .xlsx files?▼

No, you do not need manual spreadsheet software installed. The tool enforces in-memory state transitions, input validation, and clear error handling to programmatically create, modify, and save .xlsx workbooks directly to disk.

What happens if cell mutations fail while modifying an Excel file?▼

If cell mutations fail, the tool enforces input validation and clear error handling to ensure reliability. In-memory state transitions prevent partial or corrupted writes, safeguarding the workbook before saving results to disk.