Show HN: MemHub, Turn Your GPT/Claude/Gemini History into LLM-Wiki Mindmap
MemHub is a tool that transforms chat histories from AI platforms like ChatGPT, Claude, and Gemini into structured Markdown files organized as an LLM-Wiki mindmap. It allows users to import chat data via a Chrome extension, process it into searchable memories, and export it for use in knowledge management tools like Obsidian. The exported files can be explored as a graph or used as a 'second brain' without requiring coding skills.
- ▪MemHub converts chat histories from ChatGPT, Claude, and Gemini into structured Markdown files.
- ▪Users can capture chat context using the MemHub Chrome extension and import it into the MemHub web app.
- ▪The tool organizes AI-generated content into an encrypted vector database and supports export filters such as platform, date range, and content density.
- ▪Exported Markdown ZIP files are compatible with Obsidian and similar note-taking applications.
- ▪MemHub does not require coding and is designed to function as a context control panel for AI interactions.
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XTrace MemHub — LLM-Wiki Mindmap Guide Turn your ChatGPT, Claude, and Gemini history into an Andrey Karpathy's LLM-Wiki mindmap — structured Markdown you can browse in Obsidian-style tools and explore as a graph in MemHub. MemHub is your context control panel for AI agents. This guide walks through exporting chat history, importing it into MemHub, exploring the Mindmap, and downloading a Markdown ZIP (“Mindmap Markdowns”) for your second brain — without writing code or using Claude Code. MemHub extracts AI memory and context from your chats, stores it in an encrypted vector database, and organizes it in a file layout that tools like Obsidian work well with.
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