GitHub - tmustier/pi-for-excel: Experimental Excel sidebar agent add-in. Multi-model. Powered by Pi.
Hacker News
February 20, 2026
AI-Generated Deep Dive Summary
**Pi-for-Excel: Revolutionizing Excel with AI-Powered Functionality**
Pi-for-Excel introduces a groundbreaking sidebar agent within Microsoft Excel, harnessing the power of Pi to integrate multi-model AI capabilities. This innovative tool enables users to interact with their spreadsheets in unprecedented ways, utilizing various AI providers such as Anthropic, OpenAI, Google Gemini, and GitHub Copilot. By supporting multiple models, Pi-for-Excel offers unparalleled flexibility, allowing users to switch between different AI services mid-conversation to suit their needs.
The add-in features a suite of 16 built-in tools that streamline Excel operations. These include reading workbook data, writing cells with auto-verification, formula autofill, and conditional formatting. Additionally, Pi-for-Excel enhances usability with session management
Verticals
techstartups
Originally published on Hacker News on 2/20/2026