Render a visual budget breakdown with pie chart of spending categories, bar chart of budget vs actual, and surplus/deficit indicator. Pass categories as a JSON array of objects with name, budgeted, and actual fields.

Render a side-by-side comparison of products or options with pros, cons, ratings, and prices. Pass options as a JSON array.

Render an interactive destination comparison view where the user can explore 3-5 trip options side by side before committing to a detailed itinerary. Each destination MUST include: name, country, tagline, budget_estimate (low/high in the specified currency), distance_km (from source city), travel_options (object with mode keys like flight/train/drive/bus and duration string values e.g. {"flight":"2h 30m","train":"6h","drive":"8h"}), weather (object with temp_range string e.g. "22-32°C" and condition string e.g. "Sunny & humid"), best_months, highlights, travel_style tags, and image_emoji. The user can select up to 2 destinations to compare detailed itineraries side by side. Use this tool FIRST when a user asks about vacation/trip planning — let them compare destinations before calling render_trip for the detailed itinerary.

Render a day-by-day trip itinerary with time slots, locations, costs, and a budget tracker. The user can swap, remove, or comment on individual activities and send style preferences (e.g. 'make it more relaxed') back to Claude. Pass itinerary as a JSON array of day objects. Use the same currency as the trip explorer if the user came from there.

Render an interactive workout plan with dark theme, summary metrics, expandable exercise cards with tips and video links, progress tracking, and history. Pass plan as a JSON array of week objects. IMPORTANT: Each exercise MUST include video_url with a real YouTube link to a proper form demonstration video. Also include estimated_calories, duration_minutes, and tips (array of form cue strings).

Save a completed workout session to the log file

Retrieve workout history from the log file

Render a weighted decision matrix comparing options across criteria with scores, heatmap coloring, and a best-pick recommendation. Pass options and criteria as JSON arrays.