CodeLantern
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A switch for Claude’s chat list that gathers related conversations into named, collapsible groups without moving or deleting anything.
People who use Claude a lot end up with hundreds of chats in one long list, sorted only by date. Chats about the same ongoing concern, like retirement planning, a flat search, or learning a language, get scattered, so it's hard to pick up where you left off. Anyone who uses Claude regularly for real life and work runs into this.
Bundle is a single on/off switch on Claude's chat list. When it's on, related chats gather into named, collapsible groups above the normal list. Nothing is moved or deleted, and switching it off restores the exact original view. You can rename a group, remove a chat from it, or hide it, with Undo. Under the hood, the grouping is done by code running in the browser: each chat becomes a point in a "meaning space," similar chats are clustered, and a group only forms if it has at least 4 chats across at least 2 days. Claude is used only where judgement is needed: writing each chat's title and summary, naming a group, and breaking ties. Every name passes a safety check, so a group about an illness is only ever called "Health." A live side view shows each step as it happens.
In the team’s own words, from their submission.
Claude is used only where judgement is needed: writing each chat’s title and summary, naming a group, and breaking ties.
Zugzwang
Individual builders are not listed yet — names are published only with their permission.