ExcelLocal
A local AI agent inside Excel.
An Excel add-in that puts an AI chat sidebar in your spreadsheet, powered by a model on your own GPU. It reads, writes, formats and charts your workbook without your data leaving the machine.
- Workbook tools
- 10
→10 workbook tools: ranges, formulas, formatting, tables, sheets, charts
→Confirm-before-write permission dialogs
→Zero data egress; a mock model server for GPU-free development
Two ways to read it
In plain English
An Excel add-in that puts an AI chat sidebar in your spreadsheet, powered by a model on your own GPU. It reads, writes, formats and charts your workbook without your data leaving the machine.
For engineers
TypeScript Office.js add-in with a streaming agent loop against any OpenAI-compatible local server (vLLM, Ollama, LM Studio) and confirm-before-write dialogs.
What it does.
- 10 workbook tools: ranges, formulas, formatting, tables, sheets, charts
- Confirm-before-write permission dialogs
- Zero data egress; a mock model server for GPU-free development
Built with
- TypeScript
- Office.js
- vLLM / Ollama / LM Studio
Status: Shipped · started August 2026 · open on GitHub