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ThinkEx gives you full control over what the AI sees. Instead of an opaque retrieval system deciding which parts of your documents are relevant, you select exactly the cards you want the AI to work with before sending a message.

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Opening the chat panel

The AI chat panel lives on the right side of your workspace. Click anywhere in the chat area to start typing. Your conversation persists for the lifetime of the workspace — you can close and reopen the workspace and pick up where you left off.

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Selecting context

The AI only reads the cards you select. This is intentional: you decide what’s in scope for each question. To select a card for context: Click the checkmark button that appears in the top-right corner of a card when you hover over it. Selected cards are visually highlighted with a border. You can select as many cards as you need. To deselect: Click the card’s selection button again, or click the × that appears while the card is selected.
Select only the cards that are actually relevant to your question. Giving the AI a focused set of sources produces sharper, more useful answers than selecting everything on the canvas.
If you send a message without selecting any cards, the AI responds using its general knowledge and any context from the current conversation thread.

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What the AI can do

The AI in ThinkEx is more than a chat window — it has access to a set of tools that let it act on your workspace.
When you select cards and ask a question, the AI reads those cards and answers based on their content. It can synthesize across multiple sources, spot contradictions, and pull out specific details.
The AI can run a web search and bring back results to support your question. Ask it directly: “Search the web for the latest research on this topic.” Results appear in the chat and the AI can reference them when forming its answer.
Paste a URL into the chat and the AI can fetch and read the page content, letting you ask questions about any web page without adding it as a card first.
The AI can search across all the cards in your current workspace to find relevant content, even cards that aren’t currently selected.
The AI can create new cards directly in your workspace:
  • Documents — written summaries, analyses, or notes saved as knowledge cards
  • Flashcard sets — automatically generated from your selected sources
  • Quizzes — multiple-choice or true/false questions based on your content
  • YouTube videos — searched and added from YouTube based on a topic
Ask in plain language: “Create a flashcard set from the key concepts in this chapter” or “Save your summary as a document.”
The AI can update the content of existing cards or remove cards from the workspace when you ask it to.

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Saving an AI response as a knowledge card

When the AI produces a response you want to keep, you can save it as a document card that stays in your workspace. Ask the AI directly: “Save this as a document” or “Create a knowledge card from your answer.” The AI writes the content to a new document card on your canvas. Document cards created this way include source attribution when the AI drew on web search results.

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Tips for effective prompting

  • Be specific about which cards to use. If you have ten PDFs open and want to ask about one of them, select only that card before asking.
  • Chain questions. Ask a broad question first, then follow up with more specific ones. The conversation history carries forward automatically.
  • Ask for structure. Request bullet points, tables, or comparisons when that format will be more useful than prose.
  • Use the canvas spatially. Place related sources near each other, then select the cluster you want the AI to reason over.

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Switching AI models

ThinkEx supports multiple AI models. You can switch models at any time — the active model applies to the next message you send. Look for the model selector in the chat panel. Different models have different strengths. You might use one model for quick summaries and another for deep analytical work on complex documents.