How to integrate Bookingmood MCP with Pydantic AI

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Introduction

This guide walks you through connecting Bookingmood to Pydantic AI using the Composio tool router. By the end, you'll have a working Bookingmood agent that can create a new booking widget for summer rentals, list all booking widgets configured for your organization, update guest information for a specific booking through natural language commands.

This guide will help you understand how to give your Pydantic AI agent real control over a Bookingmood account through Composio's Bookingmood MCP server.

Before we dive in, let's take a quick look at the key ideas and tools involved.

Also integrate Bookingmood with

TL;DR

Here's what you'll learn:
  • How to set up your Composio API key and User ID
  • How to create a Composio Tool Router session for Bookingmood
  • How to attach an MCP Server to a Pydantic AI agent
  • How to stream responses and maintain chat history
  • How to build a simple REPL-style chat interface to test your Bookingmood workflows

What is Pydantic AI?

Pydantic AI is a Python framework for building AI agents with strong typing and validation. It leverages Pydantic's data validation capabilities to create robust, type-safe AI applications.

Key features include:

  • Type Safety: Built on Pydantic for automatic data validation
  • MCP Support: Native support for Model Context Protocol servers
  • Streaming: Built-in support for streaming responses
  • Async First: Designed for async/await patterns

What is the Bookingmood MCP server, and what's possible with it?

The Bookingmood MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Bookingmood account. It provides structured and secure access to your booking management system, so your agent can perform actions like creating widgets, updating bookings, listing organizations, and managing booking records on your behalf.

  • Automated booking widget creation: Let your agent generate new, customized booking widgets to embed on your website or share with guests in seconds.
  • Efficient booking details management: Update or delete booking details based on guest info, filters, or changing requirements—no manual edits needed.
  • Organization and resource overview: List all organizations tied to your Bookingmood account, helping you keep tabs on every property or business unit managed.
  • Widget configuration retrieval: Instantly fetch available booking widget configurations, making it easy to review, reuse, or modify existing widgets for different rental scenarios.

Supported Tools & Triggers

Tools
Create ProductTool to create a new bookable product in the organization.
Create Site PagesTool to create new site pages.
Create Booking WidgetTool to create a new booking widget.
Delete AttributesTool to delete attributes matching given filters.
Delete Booking DetailsTool to delete booking details matching given filters.
Delete BookingsTool to delete bookings matching given filters.
Delete Calendar Event NotesTool to delete calendar event notes matching given filters.
Delete Calendar EventsTool to delete calendar events matching given filters.
Delete Calendar Event TasksTool to delete calendar event tasks matching given filters.
Delete CapacitiesTool to delete capacities matching given filters.
Delete Capacity Group DependenciesTool to delete capacity group dependencies matching given filters.
Delete Capacity GroupsTool to delete capacity groups matching given filters.
Delete Contact BookingsTool to delete contact bookings matching given filters.
Delete ContactsTool to delete customer contacts from the system.
Delete Coupon ProductsTool to delete coupon product links matching given filters.
Delete CouponsTool to delete coupons matching given filters.
Delete Coupon ServicesTool to delete coupon service links matching given filters.
Delete Coupon UsesTool to delete coupon use records matching given filters.
Delete Email TemplatesTool to delete email templates matching given filters.
Delete External CalendarsTool to delete external calendars by ID.
Delete InvoicesTool to delete an invoice by its ID.
Delete Line ItemsTool to delete line items matching the given filters.
Delete Line Item TaxesTool to delete line item taxes matching given filters.
Delete PaymentsTool to delete payments matching given filters.
Delete PermissionsTool to delete permissions matching given filters.
Delete Pricing WidgetsTool to delete pricing widgets matching given filters.
Delete Product Attribute OptionsTool to delete product attribute options matching given filters.
Delete Product ConfigurationsTool to delete product configurations matching given filters.
Delete Product Reply-To AddressesTool to delete product reply-to addresses matching given filters.
Delete Product ServicesTool to delete product service links matching given filters.
Delete Reply-To AddressesTool to delete reply-to addresses matching given filters.
Delete Review ProductsTool to delete review products matching given filters.
Delete ReviewsTool to delete reviews matching given filters.
Delete Review Widget ListingsTool to delete review widget listings matching given filters.
Delete ServicesTool to delete services matching given filters.
Delete Site Navigation ItemsTool to delete site navigation items matching given filters.
Delete Site PagesTool to delete site pages matching given filters.
Delete TaxesTool to delete taxes matching given filters.
Delete WebhooksTool to delete webhooks matching given filters.
Delete Widget ListingsTool to delete widget listings matching given filters.
Delete WidgetsTool to delete widgets from the system.
Invite MemberTool to invite a member to your organization.
List Attribute OptionsList attribute options with filtering and pagination support.
List AttributesTool to retrieve custom attributes defined for products.
List Booking DetailsList booking details with filtering and pagination.
List BookingsTool to retrieve bookings from the system with optional filtering and pagination.
List Booking UpdatesTool to list booking updates with filtering and pagination.
List Calendar Event NotesTool to list calendar event notes with filtering and pagination.
List Calendar EventsTool to list calendar events with filtering and pagination.
List Calendar Event TasksTool to list calendar event tasks with filtering and pagination.
List Calendar Event UpdatesList calendar event updates with filtering and pagination.
List CapacitiesList booking capacities with filtering and pagination.
List Capacity Group DependenciesTool to list capacity group dependencies with optional field filtering.
List Capacity GroupsTool to list capacity groups with filtering and pagination.
List Contact BookingsList contact bookings with filtering and pagination.
List ContactsTool to list customer contacts with filtering and pagination.
List Coupon ProductsList coupon products that define which products a coupon applies to.
List CouponsTool to list discount coupons with filtering and pagination.
List Coupon ServicesList coupon services that define which services a coupon applies to.
List Coupon UsesList coupon uses that track which coupons have been applied to bookings.
List Email EventsTool to retrieve email events (bounce, delivery, open) with filtering and pagination.
List EmailsTool to retrieve emails from the system with optional filtering and pagination.
List Email TemplatesTool to list email templates with filtering and pagination.
List External CalendarsTool to list external calendar sync configurations (e.
List InvoicesTool to retrieve invoices from the system with optional filtering and pagination.
List Line ItemsTool to retrieve line items from the system with optional filtering and pagination.
List Line Item TaxesTool to list line item taxes with filtering and pagination.
List MembersTool to list organization members with filtering and pagination.
List OrganizationsTool to list organizations.
List Paddle SubscriptionsTool to list Paddle subscriptions with filtering and pagination.
List PaymentsTool to retrieve payment transactions from the system with optional filtering and pagination.
List PermissionsTool to list permissions with filtering and pagination.
List Pricing WidgetsTool to list pricing widgets with filtering and pagination.
List Product Attribute OptionsList product attribute options with filtering and pagination.
List Product Calendar LogsTool to list product calendar logs with filtering and pagination.
List Product ConfigurationsList product configurations with filtering and pagination.
List Product Reply-to AddressesTool to list product reply-to addresses with filtering and pagination.
List ProductsList bookable products with filtering and pagination.
List Product ServicesList product services that define which services are linked to which products.
List Product TasksTool to list product tasks with filtering and pagination.
List Reply-To AddressesTool to list reply-to addresses with filtering and pagination.
List Review ProductsList review products with filtering and pagination.
List ReviewsTool to list customer reviews with filtering and pagination.
List Review Widget ListingsTool to list review widget listings with filtering and pagination.
List Review WidgetsTool to retrieve review widgets from the system with optional filtering and pagination.
List SeasonsList seasons with filtering and pagination.
List ServicesList bookable services with filtering and pagination.
List Site ListingsTool to list site listings with filtering and pagination.
List Site Navigation ItemsTool to list site navigation items with filtering and pagination.
List Site PagesTool to retrieve site pages from the system with optional filtering and pagination.
List SitesTool to list sites with filtering and pagination.
List Site ViewsTool to list site views with filtering and pagination.
List TaxesList tax configurations with filtering and pagination.
List User ProfilesList all user profiles accessible by the current API key.
List Webhook NotificationsTool to list webhook notifications with filtering and pagination.
List WebhooksTool to list webhook configurations with filtering and pagination.
List Widget AnalyticsTool to list widget analytics with pagination.
List Widget ListingsTool to list widget listings with filtering and pagination.
List Booking WidgetsList all booking widgets accessible by the current API key.
Query AvailabilityTool to fetch availability of multiple products over a long period of time.
Update Attribute OptionsUpdates attribute option records that match the specified filters.
Update AttributesUpdates attribute records that match the specified filters.
Update Booking DetailsUpdates booking detail records that match the specified filters.
Update BookingsUpdates booking records that match the specified filters.
Update Calendar Event NotesUpdates calendar event note records that match the specified filters.
Update Calendar EventsUpdate existing calendar events that match the specified filters.
Update Calendar Event TasksTool to update existing calendar event tasks.
Update CapacitiesTool to update existing capacity records that match the specified filters.
Update Capacity Group DependenciesUpdates capacity group dependency records that match the specified filters.
Update Capacity GroupsUpdates capacity group records that match the specified filters.
Update Contact BookingsUpdates contact booking records that match the specified filters.
Update ContactsUpdates contact records that match the specified filters.
Update Coupon ProductsUpdates coupon product link records that match the specified filters.
Update CouponsUpdates coupon records that match the specified filters.
Update Coupon ServicesUpdates coupon service records that match the specified filters.
Update Coupon UsesUpdates coupon use records that match the specified filters.
Update External CalendarsTool to update existing external calendars that match the specified filters.
Update Line ItemsUpdates line item records that match the specified filters.
Update Line Item TaxesUpdates line item tax records that match the specified filters.
Update PaymentsTool to update existing payments in the Bookingmood system.
Update PermissionsUpdates permission records that match the specified filters.
Update Pricing WidgetsTool to update existing pricing widget records that match the specified filters.
Update Product Attribute OptionsUpdates product attribute option records that match the specified filters.
Update Product ConfigurationsTool to update existing product configuration records that match the specified filters.
Update Product Reply-To AddressesTool to update existing product reply-to address associations.
Update ProductsUpdates product records that match the specified filters.
Update Product ServicesTool to update existing product_services records that match the specified filters.
Update Product TasksUpdate existing product tasks that match the specified filters.
Update Review ProductsUpdates review product link records that match the specified filters.
Update ReviewsUpdates review records that match the specified filters.
Update Review Widget ListingsUpdates review widget listing records that match the specified filters.
Update Review WidgetsUpdates review widget records that match the specified filters.
Update ServicesUpdates service records that match the specified filters.
Update Site ListingsTool to update site listing records matching specified filters.
Update Site Navigation ItemsUpdates site navigation item records that match the specified filters.
Update Site PagesUpdates site page records that match the specified filters.
Update SitesTool to update existing site records that match the specified filters.
Update TaxesUpdates tax configuration records that match the specified filters.
Update User ProfilesTool to update existing user profile records that match the specified filters.
Update WebhooksTool to update existing webhook subscriptions that match the specified filters.
Update Widget ListingsUpdates existing widget listing records that match the specified filters.
Update Booking WidgetsUpdate existing booking widgets that match the specified filters.

What is the Composio tool router, and how does it fit here?

What is Composio SDK?

Composio's Composio SDK helps agents find the right tools for a task at runtime. You can plug in multiple toolkits (like Gmail, HubSpot, and GitHub), and the agent will identify the relevant app and action to complete multi-step workflows. This can reduce token usage and improve the reliability of tool calls. Read more here: Getting started with Composio SDK

The tool router generates a secure MCP URL that your agents can access to perform actions.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Python 3.9 or higher
  • A Composio account with an active API key
  • Basic familiarity with Python and async programming

Getting API Keys for OpenAI and Composio

OpenAI API Key
  • Go to the OpenAI dashboard and create an API key. You'll need credits to use the models, or you can connect to another model provider.
  • Keep the API key safe.
Composio API Key
  • Log in to the Composio dashboard.
  • Navigate to your API settings and generate a new API key.
  • Store this key securely as you'll need it for authentication.

Install dependencies

bash
pip install composio pydantic-ai python-dotenv

Install the required libraries.

What's happening:

  • composio connects your agent to external SaaS tools like Bookingmood
  • pydantic-ai lets you create structured AI agents with tool support
  • python-dotenv loads your environment variables securely from a .env file

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here
OPENAI_API_KEY=your_openai_api_key

Create a .env file in your project root.

What's happening:

  • COMPOSIO_API_KEY authenticates your agent to Composio's API
  • USER_ID associates your session with your account for secure tool access
  • OPENAI_API_KEY to access OpenAI LLMs

Import dependencies

python
import asyncio
import os
from dotenv import load_dotenv
from composio import Composio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerStreamableHTTP

load_dotenv()
What's happening:
  • We load environment variables and import required modules
  • Composio manages connections to Bookingmood
  • MCPServerStreamableHTTP connects to the Bookingmood MCP server endpoint
  • Agent from Pydantic AI lets you define and run the AI assistant

Create a Tool Router Session

python
async def main():
    api_key = os.getenv("COMPOSIO_API_KEY")
    user_id = os.getenv("USER_ID")
    if not api_key or not user_id:
        raise RuntimeError("Set COMPOSIO_API_KEY and USER_ID in your environment")

    # Create a Composio Tool Router session for Bookingmood
    composio = Composio(api_key=api_key)
    session = composio.create(
        user_id=user_id,
        toolkits=["bookingmood"],
    )
    url = session.mcp.url
    if not url:
        raise ValueError("Composio session did not return an MCP URL")
What's happening:
  • We're creating a Tool Router session that gives your agent access to Bookingmood tools
  • The create method takes the user ID and specifies which toolkits should be available
  • The returned session.mcp.url is the MCP server URL that your agent will use

Initialize the Pydantic AI Agent

python
# Attach the MCP server to a Pydantic AI Agent
bookingmood_mcp = MCPServerStreamableHTTP(url, headers={"x-api-key": COMPOSIO_API_KEY})
agent = Agent(
    "openai:gpt-5",
    toolsets=[bookingmood_mcp],
    instructions=(
        "You are a Bookingmood assistant. Use Bookingmood tools to help users "
        "with their requests. Ask clarifying questions when needed."
    ),
)
What's happening:
  • The MCP client connects to the Bookingmood endpoint
  • The agent uses GPT-5 to interpret user commands and perform Bookingmood operations
  • The instructions field defines the agent's role and behavior

Build the chat interface

python
# Simple REPL with message history
history = []
print("Chat started! Type 'exit' or 'quit' to end.\n")
print("Try asking the agent to help you with Bookingmood.\n")

while True:
    user_input = input("You: ").strip()
    if user_input.lower() in {"exit", "quit", "bye"}:
        print("\nGoodbye!")
        break
    if not user_input:
        continue

    print("\nAgent is thinking...\n", flush=True)

    async with agent.run_stream(user_input, message_history=history) as stream_result:
        collected_text = ""
        async for chunk in stream_result.stream_output():
            text_piece = None
            if isinstance(chunk, str):
                text_piece = chunk
            elif hasattr(chunk, "delta") and isinstance(chunk.delta, str):
                text_piece = chunk.delta
            elif hasattr(chunk, "text"):
                text_piece = chunk.text
            if text_piece:
                collected_text += text_piece
        result = stream_result

    print(f"Agent: {collected_text}\n")
    history = result.all_messages()
What's happening:
  • The agent reads input from the terminal and streams its response
  • Bookingmood API calls happen automatically under the hood
  • The model keeps conversation history to maintain context across turns

Run the application

python
if __name__ == "__main__":
    asyncio.run(main())
What's happening:
  • The asyncio loop launches the agent and keeps it running until you exit

Complete Code

Here's the complete code to get you started with Bookingmood and Pydantic AI:

python
import asyncio
import os
from dotenv import load_dotenv
from composio import Composio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerStreamableHTTP

load_dotenv()

async def main():
    api_key = os.getenv("COMPOSIO_API_KEY")
    user_id = os.getenv("USER_ID")
    if not api_key or not user_id:
        raise RuntimeError("Set COMPOSIO_API_KEY and USER_ID in your environment")

    # Create a Composio Tool Router session for Bookingmood
    composio = Composio(api_key=api_key)
    session = composio.create(
        user_id=user_id,
        toolkits=["bookingmood"],
    )
    url = session.mcp.url
    if not url:
        raise ValueError("Composio session did not return an MCP URL")

    # Attach the MCP server to a Pydantic AI Agent
    bookingmood_mcp = MCPServerStreamableHTTP(url, headers={"x-api-key": COMPOSIO_API_KEY})
    agent = Agent(
        "openai:gpt-5",
        toolsets=[bookingmood_mcp],
        instructions=(
            "You are a Bookingmood assistant. Use Bookingmood tools to help users "
            "with their requests. Ask clarifying questions when needed."
        ),
    )

    # Simple REPL with message history
    history = []
    print("Chat started! Type 'exit' or 'quit' to end.\n")
    print("Try asking the agent to help you with Bookingmood.\n")

    while True:
        user_input = input("You: ").strip()
        if user_input.lower() in {"exit", "quit", "bye"}:
            print("\nGoodbye!")
            break
        if not user_input:
            continue

        print("\nAgent is thinking...\n", flush=True)

        async with agent.run_stream(user_input, message_history=history) as stream_result:
            collected_text = ""
            async for chunk in stream_result.stream_output():
                text_piece = None
                if isinstance(chunk, str):
                    text_piece = chunk
                elif hasattr(chunk, "delta") and isinstance(chunk.delta, str):
                    text_piece = chunk.delta
                elif hasattr(chunk, "text"):
                    text_piece = chunk.text
                if text_piece:
                    collected_text += text_piece
            result = stream_result

        print(f"Agent: {collected_text}\n")
        history = result.all_messages()

if __name__ == "__main__":
    asyncio.run(main())

Conclusion

You've built a Pydantic AI agent that can interact with Bookingmood through Composio's Tool Router. With this setup, your agent can perform real Bookingmood actions through natural language. You can extend this further by:
  • Adding other toolkits like Gmail, HubSpot, or Salesforce
  • Building a web-based chat interface around this agent
  • Using multiple MCP endpoints to enable cross-app workflows (for example, Gmail + Bookingmood for workflow automation)
This architecture makes your AI agent "agent-native", able to securely use APIs in a unified, composable way without custom integrations.

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FAQ

What are the differences in Tool Router MCP and Bookingmood MCP?

With a standalone Bookingmood MCP server, the agents and LLMs can only access a fixed set of Bookingmood tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Bookingmood and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Pydantic AI?

Yes, you can. Pydantic AI fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Bookingmood tools.

Can I manage the permissions and scopes for Bookingmood while using Tool Router?

Yes, absolutely. You can configure which Bookingmood scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Bookingmood data and credentials are handled as safely as possible.

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