Matyáš Košnar
I build small software products, from Olomouc in Czechia. Right now that is Superpower for AI, a set of five Chrome extensions that add features to Gemini, NotebookLM, Claude, ChatGPT and Grok.
20,000+ people use them, and the Gemini one is Featured on the Chrome Web Store.
What I build
Featured
10,000+ users
Superpower for Gemini
Folders, a prompt library, chat export and a prompt optimizer for Google Gemini.
Superpower for NotebookLM
Notebook folders, source folders and studio export for NotebookLM, now Gemini Notebook.
Superpower for Claude
Folders, saved prompts and export for Claude.
Workbench for ChatGPT
Folders, saved prompts and export for ChatGPT.
Superpower for Grok
Folders, bookmarks, a message queue and export for Grok.