How to integrate Eventbrite MCP with Vercel AI SDK v6

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Introduction

This guide walks you through connecting Eventbrite to Vercel AI SDK v6 using the Composio tool router. By the end, you'll have a working Eventbrite agent that can list all available eventbrite event categories, show event formats for online conferences, find subcategories under the 'music' category through natural language commands.

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

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

Also integrate Eventbrite with

TL;DR

Here's what you'll learn:
  • How to set up and configure a Vercel AI SDK agent with Eventbrite integration
  • Using Composio's Tool Router to dynamically load and access Eventbrite 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 Eventbrite MCP server, and what's possible with it?

The Eventbrite MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Eventbrite account. It provides structured and secure access to your event management tools, so your agent can retrieve event categories, formats, and subcategories—making it simple to plan, organize, and customize events programmatically.

  • Discover event categories: Instantly access and list all available Eventbrite categories, helping you select the most relevant topics for your events.
  • Explore event formats: Let your agent fetch the variety of formats supported by Eventbrite, such as in-person, virtual, or hybrid, to tailor event structure on the fly.
  • Retrieve event subcategories: Quickly pull detailed subcategory options based on your selected category, ensuring precise event classification and audience targeting.
  • Localized event metadata retrieval: Enable your agent to localize categories, formats, and subcategories based on specific regions or languages, making global event planning seamless.

Supported Tools & Triggers

Tools
Add Ticket Class to GroupsTool to add a ticket class to one or more explicitly specified ticket groups for an Eventbrite event.
Add Ticket to Group by OrganizationTool to add a ticket class to ticket groups using organization and event IDs.
Calculate Price For ItemTool to calculate Eventbrite fees for a given ticket price.
Cancel EventTool to cancel an Eventbrite event.
Copy EventTool to copy an Eventbrite event and create a duplicate with a new Event ID.
Create Access CodeTool to create a new access code for an Eventbrite event.
Create Checkout SettingsTool to create checkout settings for an Eventbrite organization.
Create Custom QuestionTool to create a custom question for an Eventbrite event.
Create DiscountTool to create a new discount for an Eventbrite organization.
Create EventTool to create a new Eventbrite event.
Create Event ScheduleTool to create an event schedule for a series parent event.
Create Inventory TierTool to create a new inventory tier for an Eventbrite event.
Create OrganizerTool to create a new organizer for an Eventbrite organization.
Create Ticket ClassTool to create a new ticket class for an Eventbrite event.
Create Ticket GroupTool to create a new ticket group for an Eventbrite organization.
Create Tracking BeaconTool to create a tracking beacon for an Eventbrite event or user.
Create VenueTool to create a new venue under an organization in Eventbrite.
Create WebhookTool to create a new webhook for an Eventbrite organization.
Delete Default QuestionTool to deactivate a canned question for an event.
Delete DiscountTool to delete a discount from Eventbrite.
Delete EventTool to delete an Eventbrite event.
Delete Inventory TierTool to mark an existing inventory tier as deleted for an Eventbrite event.
Delete Ticket ClassTool to delete a ticket class from an Eventbrite event by its ID.
Delete Ticket GroupTool to delete a ticket group by changing its status to deleted.
Get Access CodeTool to retrieve a specific access code by ID for an Eventbrite event.
Get Organization AssortmentTool to retrieve assortment information for a specific organization.
Get Attendee ReportTool to retrieve an attendee report for events in an Eventbrite organization.
Get Capacity TierTool to retrieve the capacity tier for an Eventbrite event.
Get Category by IDTool to retrieve a specific category by ID.
Get Checkout SettingsTool to retrieve checkout settings for a specific Eventbrite organization.
Get Default QuestionTool to retrieve a specific default (canned) question for an Eventbrite event by Event ID and Question ID.
Get DiscountTool to retrieve a discount by its ID from Eventbrite.
Get Display SettingsTool to retrieve display settings for a specific Eventbrite event.
Get EventTool to retrieve detailed information for a specific Eventbrite event by ID.
Get Event CategoriesTool to retrieve event categories.
Get Event DescriptionTool to retrieve the full HTML description for an Eventbrite event.
Get Event FormatsTool to list event formats.
Get Event SubcategoriesTool to list all event subcategories.
Get FormatTool to retrieve a format by format ID.
Get Inventory TierTool to retrieve an Inventory Tier by ID for an Event.
Get Current UserTool to retrieve the authenticated user's account information.
Get Media UploadTool to retrieve information on a Media image upload.
Get Organizer by IDTool to retrieve an organizer by organizer ID from Eventbrite.
Get Sales ReportTool to retrieve a sales report by Event ID or Event status for an organization.
Get Event SeriesTool to retrieve a parent Event Series by Event Series ID.
Get Structured ContentTool to retrieve structured content for an Eventbrite event.
Get Structured Content Edit VersionTool to retrieve the latest working version of structured content for an event.
Get Subcategory by IDTool to retrieve a specific subcategory by ID.
Get Ticket ClassTool to retrieve a specific ticket class by ID for an Eventbrite event.
Get Ticket GroupTool to retrieve a ticket group by its ID from Eventbrite.
Get Tracking BeaconTool to retrieve a tracking beacon by ID from Eventbrite.
Get User by IDTool to retrieve information about a user by user ID.
Get Venue by IDTool to retrieve detailed information for a specific venue by venue ID.
List Access CodesTool to retrieve all access codes for an Eventbrite event.
List Custom QuestionsTool to retrieve custom questions configured for an Eventbrite event.
List Default QuestionsTool to retrieve default (canned) questions for an Eventbrite event by Event ID.
List Event AttendeesTool to retrieve the list of attendees for an Eventbrite event.
List Event OrdersTool to list orders for a specific Eventbrite event.
List Inventory TiersTool to retrieve inventory tiers for an Eventbrite event.
List Organization EventsTool to list events owned by a specific Eventbrite organization.
List Organization MembersTool to list members of an Eventbrite organization by organization ID.
List Organization OrdersTool to list orders placed for events owned by a specific Eventbrite organization.
List Organization RolesTool to list roles within a specific Eventbrite organization by organization ID.
List Organization WebhooksTool to list all webhooks configured for a specific Eventbrite organization.
List Organization AttendeesTool to list attendees across all events owned by an Eventbrite organization.
List Organization OrganizersTool to list organizers belonging to a specific Eventbrite organization.
List Organization VenuesTool to list venues owned by a specific Eventbrite organization.
List PricingTool to list available pricing fee rates for a specific currency and country.
List Series EventsTool to list all events in an Eventbrite event series by series ID.
List Ticket ClassesTool to list ticket classes for a specific Eventbrite event by event ID.
List Ticket Classes For SaleTool to list ticket classes available for sale for a specific Eventbrite event.
List Organization Ticket GroupsTool to list ticket groups for a specific Eventbrite organization.
List Tracking BeaconsTool to list tracking beacons for an Eventbrite organization by organization ID.
List User OrdersTool to list orders for a specific Eventbrite user.
List User OrganizationsTool to list organizations the authenticated user belongs to.
List Organizations by User IDTool to list organizations by user ID.
List Venue EventsTool to list all events at a specific Eventbrite venue by venue ID.
Publish EventTool to publish an Eventbrite event.
Retrieve MediaTool to retrieve media information by ID.
Search Discounts by OrganizationTool to search and list discounts by organization ID.
Set Structured ContentTool to set structured content for an Eventbrite event by version.
Unpublish EventTool to unpublish an Eventbrite event.
Update Access CodeTool to update an existing access code for an Eventbrite event.
Update Organization AssortmentTool to update the assortment plan for a specific organization.
Update Capacity TierTool to update the capacity tier for an Eventbrite event.
Update Default QuestionTool to update a default (canned) question for an Eventbrite event.
Update DiscountTool to update a discount by its ID in Eventbrite.
Update Display SettingsTool to update display settings for a specific Eventbrite event.
Update EventTool to update an Eventbrite event by ID.
Update Inventory TierTool to update an existing Inventory Tier by ID for an Event.
Update OrganizerTool to update an Eventbrite organizer by ID.
Update Ticket Buyer SettingsTool to update ticket buyer settings for an Eventbrite event.
Update Ticket ClassTool to update a ticket class for an Eventbrite event.
Update Ticket GroupTool to update a ticket group by its ID in Eventbrite.
Update VenueTool to update a venue's details by venue ID.

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: ["eventbrite"],
  });

  const mcpUrl = session.mcp.url;
What's happening:
  • We're creating a Tool Router session that gives your agent access to Eventbrite 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 Eventbrite-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 Eventbrite 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 eventbrite, 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 Eventbrite 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 Eventbrite 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: ["eventbrite"],
  });

  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 eventbrite, 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 Eventbrite 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 Eventbrite MCP Agent with another framework

FAQ

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

With a standalone Eventbrite MCP server, the agents and LLMs can only access a fixed set of Eventbrite tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Eventbrite 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 Eventbrite tools.

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

Yes, absolutely. You can configure which Eventbrite 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 Eventbrite data and credentials are handled as safely as possible.

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