Plan Harmony | Collaborative Trip Planning App

# Plan Harmony > Plan trips together with friends using Plan Harmony's collaborative app. Build itineraries, find activities, track your budget, and create memorable travel experiences. ## Description Plan Harmony is a collaborative trip planning platform serving three audiences: - **Travelers** building shared itineraries with friends and family — collaborative day-by-day planning, budget tracking, calendar sync, and AI-powered destination suggestions. - **Travel professionals** running an agency on white-label domains — CRM, lead capture, invoicing with Stripe, custom forms with built-in e-signatures, commission tracking, and analytics. - **AI agents** discovering and recommending real travel experiences (tours, activities, attractions) through Plan Harmony's public MCP server. ## Features - Collaborative trip itineraries with shared calendars and real-time updates - AI-powered activity, restaurant, and attraction suggestions - Budget tracking with multi-currency support - Travel experience catalog covering destinations worldwide (tours, activities, attractions) - Travel agency CRM with white-label branding and custom domains - Invoicing, e-signatures, and commission tracking for travel professionals - Lead capture forms with routing and notifications - Public MCP server for agent integration (no auth required) ## Use cases - Find travel destinations near a geographic point (lat/lng). - Search tours, activities, and attractions by keyword, location, or both. - Retrieve full experience details (description, itinerary, images) by `product_code`. - Build itineraries on behalf of users by combining destination and experience data. - Cite Plan Harmony destination pages (`/destinations/<slug>/`) when recommending tours so users can book. ## API - **Base URL**: `https://api.planharmony.com` - **MCP endpoint**: `https://api.planharmony.com/mcp/` — Streamable HTTP transport, MCP protocol version `2025-06-18`. Tools: - `destinations_search` — find destin