ThoughtStack.ai

ThoughtStack takes long, messy AI conversations and turns the useful bits into structured, reusable notes called Thought cards. Instead of scrolling through a chat history, you get discrete items you can search, edit, expand and drop into future work.

The workspace starts you off with templates and guided workflows — things like competitor analysis, market research or product exploration — so discussions stay focused and you don’t begin with a blank page. It’s aimed at professionals, founders, researchers, writers and creators who run extended or repeatable AI workflows.

An intelligent agent watches the conversation and pulls out ideas, decisions, summaries, action items and supporting details, saving them as Markdown-friendly Thought cards that can include headings, lists, checkboxes, code blocks, images and links. Over time you build a searchable library of structured knowledge instead of a stack of transient chats.

• Two-way integration with Claude so the assistant can read project context and save responses back into your workspace
• Searchable, editable Thought cards with rich Markdown support
• Templates and specialised workflows for common business and research tasks

Official site: https://thoughtstack.ai/