Bring Flight Booking
to LangChain
Create your Vinkius account to connect Duffel Flights to LangChain and start using all 8 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Duffel Flights MCP Server?
Connect your AI agent to Duffel, the modern infrastructure for travel. This integration allows you to search for real-time flight offers, manage bookings (orders), and access a comprehensive directory of airlines, airports, and aircraft through natural conversation.
What you can do
- Flight Search — Create offer requests to find the best flights based on origin, destination, dates, and cabin class
- Booking Management — Create flight orders (instant or hold) and retrieve detailed reservation information
- Payment Processing — Pay for flight orders that were previously held directly via the agent
- Travel Directory — List and inspect aircraft models, airlines, and airports worldwide with their respective IATA codes
- Order Oversight — List all flight bookings associated with your account to track your travel history
How it works
- Subscribe to this server
- Enter your Duffel Access Token (obtained from the Duffel Dashboard)
- Start searching and booking travel directly through natural language
Who is this for?
- Travel Agencies — quickly search for offers and manage client bookings via AI assistance
- Corporate Travel Managers — oversee company flight orders and airport metadata
- Travel Enthusiasts — research flight options and track reservation statuses without leaving the chat
Built-in capabilities (8)
Provide passengers as a JSON array string. Search for flight offers by specifying origin, destination, and passengers
Provide full passenger details as a JSON string. Book a flight by selecting an offer and providing passenger details
Retrieve a list of aircraft used by airlines
Retrieve a list of airlines
Retrieve a list of airports
Retrieve all available flight offers for a specific offer request
Retrieve a list of all flight bookings (orders)
Process payment for a flight order that was previously put on hold
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Duffel Flights through native MCP adapters. Connect 8 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Duffel Flights MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Duffel Flights queries for multi-turn workflows
Duffel Flights in LangChain
Why run Duffel Flights with Vinkius?
The Duffel Flights connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 8 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Duffel Flights using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Duffel Flights and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Duffel Flights to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Duffel Flights for LangChain
Every request between LangChain and Duffel Flights is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I get a Duffel Access Token?
Sign up for a developer account at the Duffel Dashboard. You can generate both 'test' tokens for development and 'live' tokens for real bookings.
Can I make real bookings with this agent?
Yes, if you provide a 'live' access token, the agent can perform real flight bookings. We recommend using a 'test' token first to understand the search and booking flow.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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