AskUserQuestion Tool

What: A new tool that enables Claude to ask users multiple-choice questions during task execution to gather preferences, clarify ambiguity, or make implementation decisions.

How to use:

// Claude can now use this tool to ask questions like:
{
  "questions": [
    {
      "question": "Which library should we use for date formatting?",
      "header": "Library",
      "options": [
        {"label": "date-fns", "description": "Modern, modular"},
        {"label": "moment", "description": "Widely used, large"}
      ]
    }
  ]
}

Details:

• Supports 1-4 questions per tool use with 2-4 options each
• Users can always select "Other" to provide custom text input
• Set multiSelect: true to allow multiple answers per question
• Includes navigation UI with question progress indicators
• Questions have a header (max 12 characters) for display in the progress bar
• Evidence: New tool definition at T6Q = "AskUserQuestion" at line 404665, tool implementation at line 405857 in function Tn1()