This workflow contains community nodes that are only compatible with the self-hosted version of n8n.
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Here is the Full Node-by-Node Breakdown of the workflow Workflow Execution Video: https://youtu.be/qkZ6UaO7aCE 1. Webhook (Webhook) Purpose**: Accepts incoming user queries via HTTP GET with the text parameter. Example input**: 4 people from Germany to Bangkok @14th August 2025 2. AI Agent (AI Agent) Type**: LangChain Agent Model**: Google Gemini 2.5 Flash via Vertex AI Prompt logic**: Extracts structured travel info (origin city, destination, date, number of people) Determines 3-letter IATA codes Uses MCP’s Airbnb Tool to scrape listings starting from that date Returns**: A markdown + bullet-format response with: Structured trip info List of Airbnb listings with titles, price, rating, and link 3. MCP Client List Tool (MCP Client List Tool) Purpose**: Fetches a list of tools registered with MCP (Multi Channel Parser) client for the AI agent to select from Used by**: AI Agent as part of listTools() phase 4. MCP Execute Tool (MCP Execute Tool) Purpose**: Executes the selected MCP tool (Airbnb scraper) Tool input**: Dynamic — passed by AI Agent using $fromAI('Tool_Parameters') 5. Google Vertex Chat Model (Google Vertex Chat Model) Purpose**: Acts as the LLM behind the AI Agent Model**: Gemini 2.5 Flash from Vertex AI Used for**: Language understanding, extraction, decision-making 6. Grabbing Clean Data (Code Node) Purpose**: Parses AI output to extract: Structured trip data Airbnb listings (with title, rating, price, link) Handles**: Bullet (•) and asterisk (\*) formats New and old markdown styles Fallbacks for backward compatibility Output**: Clean JSON: { "tripInformation": {...}, "listings": [...], "totalListings": X, ... } 7. Flight Search with fare (HTTP Request) API**: Amadeus Flight Offers API Purpose**: Searches live flight offers using: originIataCode destinationIataCode travelDate numberOfPeople Auth**: OAuth2 8. Flight Data + Airbnb Listings (Code Node) Purpose**: Parses Amadeus flight offers Formats date, time, and durations Merges flight results with earlier Airbnb + trip info JSON Sorts by cheapest total price Output**: { "tripInformation": {...}, "listings": [...], "allFlightOffers": [...] } 9. Edit Fields (Set Node) Purpose**: Assigns final response fields into clean keys: traveldetails listings flights 10. Respond to Webhook Purpose**: Sends back the final structured JSON response to the caller. Output**: Combined travel itinerary with flights + Airbnb Summary This end-to-end workflow is a fully autonomous travel query-to-itinerary engine. From a plain text like “4 people from Vijayawada to Bangkok @14th August 2025,” it: Parses and understands the query using an AI agent Fetches Airbnb stays by scraping live listings Searches real-time flights via Amadeus Merges and formats everything into structured, digestible JSON No manual parsing, no frontend — just AI + APIs + automation. NOTE: I JUST USED A COMMUNITY NODE "n8n-nodes-mcp" + UNOFFICIAL AIRBNB MCP. An n8n automation workflow template by iamvaar.
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