How to integrate Bookingmood MCP with Vercel AI SDK v6

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Introduction

This guide walks you through connecting Bookingmood to Vercel AI SDK v6 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 Vercel AI SDK 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 and configure a Vercel AI SDK agent with Bookingmood integration
  • Using Composio's Tool Router to dynamically load and access Bookingmood tools
  • Creating an MCP client connection using HTTP transport
  • Building an interactive CLI chat interface with conversation history management
  • Handling tool calls and results within the Vercel AI SDK framework

What is Vercel AI SDK?

The Vercel AI SDK is a TypeScript library for building AI-powered applications. It provides tools for creating agents that can use external services and maintain conversation state.

Key features include:

  • streamText: Core function for streaming responses with real-time tool support
  • MCP Client: Built-in support for Model Context Protocol via @ai-sdk/mcp
  • Step Counting: Control multi-step tool execution with stopWhen: stepCountIs()
  • OpenAI Provider: Native integration with OpenAI models

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 you begin, make sure you have:
  • Node.js and npm installed
  • A Composio account with API key
  • An OpenAI API key

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 required dependencies

bash
npm install @ai-sdk/openai @ai-sdk/mcp @composio/core ai dotenv

First, install the necessary packages for your project.

What you're installing:

  • @ai-sdk/openai: Vercel AI SDK's OpenAI provider
  • @ai-sdk/mcp: MCP client for Vercel AI SDK
  • @composio/core: Composio SDK for tool integration
  • ai: Core Vercel AI SDK
  • dotenv: Environment variable management

Set up environment variables

bash
OPENAI_API_KEY=your_openai_api_key_here
COMPOSIO_API_KEY=your_composio_api_key_here
COMPOSIO_USER_ID=your_user_id_here

Create a .env file in your project root.

What's needed:

  • OPENAI_API_KEY: Your OpenAI API key for GPT model access
  • COMPOSIO_API_KEY: Your Composio API key for tool access
  • COMPOSIO_USER_ID: A unique identifier for the user session

Import required modules and validate environment

typescript
import "dotenv/config";
import { openai } from "@ai-sdk/openai";
import { Composio } from "@composio/core";
import * as readline from "readline";
import { streamText, type ModelMessage, stepCountIs } from "ai";
import { createMCPClient } from "@ai-sdk/mcp";

const composioAPIKey = process.env.COMPOSIO_API_KEY;
const composioUserID = process.env.COMPOSIO_USER_ID;

if (!process.env.OPENAI_API_KEY) throw new Error("OPENAI_API_KEY is not set");
if (!composioAPIKey) throw new Error("COMPOSIO_API_KEY is not set");
if (!composioUserID) throw new Error("COMPOSIO_USER_ID is not set");

const composio = new Composio({
  apiKey: composioAPIKey,
});
What's happening:
  • We're importing all necessary libraries including Vercel AI SDK's OpenAI provider and Composio
  • The dotenv/config import automatically loads environment variables
  • The MCP client import enables connection to Composio's tool server

Create Tool Router session and initialize MCP client

typescript
async function main() {
  // Create a tool router session for the user
  const session = await composio.create(composioUserID!, {
    toolkits: ["bookingmood"],
  });

  const mcpUrl = session.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 mcp object contains the URL and authentication headers needed to connect to the MCP server
  • This session provides access to all Bookingmood-related tools through the MCP protocol

Connect to MCP server and retrieve tools

typescript
const mcpClient = await createMCPClient({
  transport: {
    type: "http",
    url: mcpUrl,
    headers: session.mcp.headers, // Authentication headers for the Composio MCP server
  },
});

const tools = await mcpClient.tools();
What's happening:
  • We're creating an MCP client that connects to our Composio Tool Router session via HTTP
  • The mcp.url provides the endpoint, and mcp.headers contains authentication credentials
  • The type: "http" is important - Composio requires HTTP transport
  • tools() retrieves all available Bookingmood tools that the agent can use

Initialize conversation and CLI interface

typescript
let messages: ModelMessage[] = [];

console.log("Chat started! Type 'exit' or 'quit' to end the conversation.\n");
console.log(
  "Ask any questions related to bookingmood, like summarize my last 5 emails, send an email, etc... :)))\n",
);

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
  prompt: "> ",
});

rl.prompt();
What's happening:
  • We initialize an empty messages array to maintain conversation history
  • A readline interface is created to accept user input from the command line
  • Instructions are displayed to guide the user on how to interact with the agent

Handle user input and stream responses with real-time tool feedback

typescript
rl.on("line", async (userInput: string) => {
  const trimmedInput = userInput.trim();

  if (["exit", "quit", "bye"].includes(trimmedInput.toLowerCase())) {
    console.log("\nGoodbye!");
    rl.close();
    process.exit(0);
  }

  if (!trimmedInput) {
    rl.prompt();
    return;
  }

  messages.push({ role: "user", content: trimmedInput });
  console.log("\nAgent is thinking...\n");

  try {
    const stream = streamText({
      model: openai("gpt-5"),
      messages,
      tools,
      toolChoice: "auto",
      stopWhen: stepCountIs(10),
      onStepFinish: (step) => {
        for (const toolCall of step.toolCalls) {
          console.log(`[Using tool: ${toolCall.toolName}]`);
          }
          if (step.toolCalls.length > 0) {
            console.log(""); // Add space after tool calls
          }
        },
      });

      for await (const chunk of stream.textStream) {
        process.stdout.write(chunk);
      }

      console.log("\n\n---\n");

      // Get final result for message history
      const response = await stream.response;
      if (response?.messages?.length) {
        messages.push(...response.messages);
      }
    } catch (error) {
      console.error("\nAn error occurred while talking to the agent:");
      console.error(error);
      console.log(
        "\nYou can try again or restart the app if it keeps happening.\n",
      );
    } finally {
      rl.prompt();
    }
  });

  rl.on("close", async () => {
    await mcpClient.close();
    console.log("\n👋 Session ended.");
    process.exit(0);
  });
}

main().catch((err) => {
  console.error("Fatal error:", err);
  process.exit(1);
});
What's happening:
  • We use streamText instead of generateText to stream responses in real-time
  • toolChoice: "auto" allows the model to decide when to use Bookingmood tools
  • stopWhen: stepCountIs(10) allows up to 10 steps for complex multi-tool operations
  • onStepFinish callback displays which tools are being used in real-time
  • We iterate through the text stream to create a typewriter effect as the agent responds
  • The complete response is added to conversation history to maintain context
  • Errors are caught and displayed with helpful retry suggestions

Complete Code

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

typescript
import "dotenv/config";
import { openai } from "@ai-sdk/openai";
import { Composio } from "@composio/core";
import * as readline from "readline";
import { streamText, type ModelMessage, stepCountIs } from "ai";
import { createMCPClient } from "@ai-sdk/mcp";

const composioAPIKey = process.env.COMPOSIO_API_KEY;
const composioUserID = process.env.COMPOSIO_USER_ID;

if (!process.env.OPENAI_API_KEY) throw new Error("OPENAI_API_KEY is not set");
if (!composioAPIKey) throw new Error("COMPOSIO_API_KEY is not set");
if (!composioUserID) throw new Error("COMPOSIO_USER_ID is not set");

const composio = new Composio({
  apiKey: composioAPIKey,
});

async function main() {
  // Create a tool router session for the user
  const session = await composio.create(composioUserID!, {
    toolkits: ["bookingmood"],
  });

  const mcpUrl = session.mcp.url;

  const mcpClient = await createMCPClient({
    transport: {
      type: "http",
      url: mcpUrl,
      headers: session.mcp.headers, // Authentication headers for the Composio MCP server
    },
  });

  const tools = await mcpClient.tools();

  let messages: ModelMessage[] = [];

  console.log("Chat started! Type 'exit' or 'quit' to end the conversation.\n");
  console.log(
    "Ask any questions related to bookingmood, like summarize my last 5 emails, send an email, etc... :)))\n",
  );

  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
    prompt: "> ",
  });

  rl.prompt();

  rl.on("line", async (userInput: string) => {
    const trimmedInput = userInput.trim();

    if (["exit", "quit", "bye"].includes(trimmedInput.toLowerCase())) {
      console.log("\nGoodbye!");
      rl.close();
      process.exit(0);
    }

    if (!trimmedInput) {
      rl.prompt();
      return;
    }

    messages.push({ role: "user", content: trimmedInput });
    console.log("\nAgent is thinking...\n");

    try {
      const stream = streamText({
        model: openai("gpt-5"),
        messages,
        tools,
        toolChoice: "auto",
        stopWhen: stepCountIs(10),
        onStepFinish: (step) => {
          for (const toolCall of step.toolCalls) {
            console.log(`[Using tool: ${toolCall.toolName}]`);
          }
          if (step.toolCalls.length > 0) {
            console.log(""); // Add space after tool calls
          }
        },
      });

      for await (const chunk of stream.textStream) {
        process.stdout.write(chunk);
      }

      console.log("\n\n---\n");

      // Get final result for message history
      const response = await stream.response;
      if (response?.messages?.length) {
        messages.push(...response.messages);
      }
    } catch (error) {
      console.error("\nAn error occurred while talking to the agent:");
      console.error(error);
      console.log(
        "\nYou can try again or restart the app if it keeps happening.\n",
      );
    } finally {
      rl.prompt();
    }
  });

  rl.on("close", async () => {
    await mcpClient.close();
    console.log("\n👋 Session ended.");
    process.exit(0);
  });
}

main().catch((err) => {
  console.error("Fatal error:", err);
  process.exit(1);
});

Conclusion

You've successfully built a Bookingmood agent using the Vercel AI SDK with streaming capabilities! This implementation provides a powerful foundation for building AI applications with natural language interfaces and real-time feedback.

Key features of this implementation:

  • Real-time streaming responses for a better user experience with typewriter effect
  • Live tool execution feedback showing which tools are being used as the agent works
  • Dynamic tool loading through Composio's Tool Router with secure authentication
  • Multi-step tool execution with configurable step limits (up to 10 steps)
  • Comprehensive error handling for robust agent execution
  • Conversation history maintenance for context-aware responses

You can extend this further by adding custom error handling, implementing specific business logic, or integrating additional Composio toolkits to create multi-app workflows.

How to build Bookingmood MCP Agent with another framework

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 Vercel AI SDK v6?

Yes, you can. Vercel AI SDK v6 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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