SlothSort Uses Local AI to Suggest Telegram Folders, With Human Review Before Changes

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A developer built SlothSort, an open-source tool for organizing Telegram chats, during the online Hacktoberfest 2026 Week 3 challenge. The app connects to Telegram via MTProto, gathers context about accessible chats, and asks a local Gemma 3 model to propose folder assignments. Nothing is changed in Telegram until the user reviews and approves the suggestions, which can be adjusted or left unassigned. Telethon handles Telegram access, FastAPI serves the review interface, and a guarded undo option covers the latest folder creation. The developer chose a review-first design because chat titles can be ambiguous and model confidence is only an estimate, and has not yet measured reliable time savings.

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