Show HN: I made a free (open-source) extension, to use any LLM on Google sheet

Hello everyone, This past Saturday, I decided to make purchase on Cursor after hearing how good it is with Composer function that allow to generate code on fly, especially on Claude Sonnet (not an affiliate of the products, just curious!). To make the purchase worthwhile, I challenged myself to build a Google Sheets extension in just 24 hours that allows users to connect with any Language Model (LLM)—whether it’s ChatGPT, Claude, Groq, or Gemini. The Idea The idea was simple: a formula like =Claude(prompt, model) that lets users integrate AI anywhere in their sheets. The most impressive part? 80% of the process was just tabbing and prompting AI, while only *20% was actual coding The Tech Stack Frontend: React with Next.js Backend: Node.js with Next.js API routes Database: Supabase AI Integration: OpenAI API, Anthropic API, Groq API, and Google AI API Development Assistance: Cursor and Claude Sonnet 3-5 The Journey Planning (2 hours): I started by using Claude Sonnet 3-5 to brainstorm a