MindMarks is an AI productivity tool that turns long, messy AI conversations into structured, reusable knowledge. It helps users organize, search, and revisit chats across ChatGPT, Claude, and Gemini with features like folders, search, prompt management, exports, and better navigation. It is built for power users, researchers, students, and professionals who want to get more long-term value from their AI workflows. Key features: 1. Folders for organizing AI chats 2. Search across past conversations 3. Prompt management and reuse 4. Auto-generated chat outlines 5. Export to multiple formats 6. Better navigation for long threads 7. Cross-platform support for ChatGPT, Claude, and Gemini 8. Structured knowledge capture from messy chats