TravelAgent

A comprehensive travel planning skill for PAI that handles flight searches, itinerary building, accommodation tracking, and group trip coordination for multi-traveler trips.

Overview

TravelAgent was born from planning a family trip to Milan and Zermatt. What started as a simple flight search tool evolved into a full trip coordination system with support for multiple travelers, cost splitting, and automated itinerary generation.

Key Features

Flight Search

• Google Flights integration for cash flight searches
• seats.aero integration for award/points flight availability
• Price comparison across dates and airports

Itinerary Builder

• CLI-based itinerary creation with structured data
• Day-by-day planning with activities, transport, and accommodations
• Cost tracking with per-person breakdowns
• Export to website - Travel entries render on the personal website

Group Trip Coordination

• Multi-traveler management with individual preferences
• Overlap analysis for finding shared availability windows
• Cost splitting with configurable share ratios
• Booking recommendations based on group constraints

Real-World Use

This skill planned the family’s Milan & Zermatt Winter 2026 trip end-to-end:

• Found optimal British Airways routing (SEA -> LHR -> LIN, ZRH -> LHR -> SEA)
• Coordinated accommodations across 4 locations over 15 days
• Managed a $7,200 budget across flights and lodging
• Generated the complete day-by-day itinerary published on this site

What I Learned

• Travel API landscape - Google Flights has no official API; scraping and third-party tools are the reality
• Award flight complexity - Points availability is highly dynamic and requires real-time checking
• Group coordination is hard - Overlapping schedules, budget constraints, and preference differences multiply complexity
• CLI-first pays off - Every itinerary operation is a reproducible command, making it easy to iterate