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Dave works on the same decision you see on the left. He sits on the right of the screen, and on the Results page folds into a thin AI agent rail you can click to reopen.

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Start a conversation

A new conversation shows a seven-step path (starting with Frame the decision) and starter buttons such as “Help me frame this decision”. A selector under his name chooses the thinking mode, for example “Pro: slower, reasons more deeply”.

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What to ask

  • “Set up a model for whether to expand into region X.”
  • “Research a range for churn after a price rise.”
  • “Why does option B win?”
  • “Set the win rule: must beat the baseline on NPV and meet two other objectives.”

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What Dave can do

  • Build and edit the model
  • Run research and write evidence notes
  • Set the win rule
  • Explain results

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What to know

Changes to a model that you did not request are proposals for you to accept or decline. Nothing changes silently.
  • Dave’s numbers always come from the engine, never from guesswork.
  • He labels any AI assumption as one.
  • To work with your models from another AI tool, see MCP.