How to integrate Hub Planner MCP with Vercel AI SDK v6

This guide walks you through connecting Hub Planner to Vercel AI SDK v6 using the Composio tool router. By the end, you'll have a working Hub Planner agent that can show all upcoming project bookings for your team, log 8 hours timesheet for john doe, list all unassigned resources this month through natural language commands. This guide will help you understand how to give your Vercel AI SDK agent real control over a Hub Planner account through Composio's Hub Planner MCP server. Before we dive in, let's take a quick look at the key ideas and tools involved.

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Api Key

Hub Planner is a smart resource management and scheduling platform for teams. It streamlines project planning, time tracking, and reporting for global organizations.

122 Tools

Introduction

This guide walks you through connecting Hub Planner to Vercel AI SDK v6 using the Composio tool router. By the end, you'll have a working Hub Planner agent that can show all upcoming project bookings for your team, log 8 hours timesheet for john doe, list all unassigned resources this month through natural language commands.

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

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

Also integrate Hub Planner with

OpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenClawHermesCLIGoogle ADKLangChainMastra AILlamaIndexCrewAI

TL;DR

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

The Hub Planner MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Hub Planner account. It provides structured and secure access so your agent can perform Hub Planner operations on your behalf.

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

Step by step09 STEPS
1

Prerequisites

Before you begin, make sure you have:
  • Node.js and npm installed
  • A Composio account with API key
  • An OpenAI API key
2

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.
3

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
4

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
5

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
6

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: ["hub_planner"],
  });

  const mcpUrl = session.mcp.url;
What's happening:
  • We're creating a Tool Router session that gives your agent access to Hub Planner 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 Hub Planner-related tools through the MCP protocol
7

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 Hub Planner tools that the agent can use
8

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 hub_planner, 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
9

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 Hub Planner 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 Hub Planner 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: ["hub_planner"],
  });

  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 hub_planner, 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 Hub Planner 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.
TOOLS

Supported Tools

Every Hub Planner action and event your agent gets out of the box.

Add Clients to Project

Tool to add clients to a project by project ID.

Add project custom field choices

Add choices to a project custom field template of SELECT, RADIO, or CHECKBOX type.

Add Projects to Group

Tool to add projects to a project group in Hub Planner.

Add Project Tags

Tool to add tags to a Hub Planner project.

Add Resource Custom Field Choices

Tool to add choices to a resource custom field template of SELECT, RADIO, or CHECKBOX type.

Add Resources to Project

Tool to add resources to a project by project ID.

Add Resources to Resource Group

Tool to add resources to a resource group by group ID.

Add Resource Tags

Tool to add tags to a resource in Hub Planner.

Create Billing Rate

Tool to create a new billing rate in Hub Planner.

Create Booking

Tool to create a new booking for a resource on a project in Hub Planner.

Create Booking Category

Tool to create a new booking category in Hub Planner.

Create Client

Tool to create a new client in Hub Planner.

Create Cost Category

Tool to create a new project cost category in Hub Planner.

Create Event

Tool to create a new event in Hub Planner.

Create Holiday

Tool to create a new holiday in Hub Planner.

Create Milestone

Tool to create a new milestone for a project in Hub Planner.

Create Project

Tool to create a new project in Hub Planner.

Create Project Custom Field Template

Tool to create a new project custom field template in Hub Planner.

Create Project Group

Tool to create a new project group in Hub Planner.

Create Project Tag

Tool to create a new project tag in Hub Planner.

Create Resource

Tool to create a new resource in Hub Planner.

Create Resource Custom Field Template

Tool to create a new resource custom field template in Hub Planner.

Create Resource Tag

Tool to create a new resource tag in Hub Planner.

Create Time Entry

Tool to create a new time entry for a resource on a project in Hub Planner.

Create Vacation

Tool to create a new vacation request for a resource in Hub Planner.

Delete Billing Rate

Tool to delete a specific billing rate by ID in Hub Planner.

Delete Booking

Tool to delete a specific booking by ID in Hub Planner.

Delete Bookings

Tool to delete multiple bookings by IDs, resource ID, or project ID.

Delete Client

Tool to delete a specific client by ID in Hub Planner.

Delete Cost Category

Tool to delete a specific project cost category by ID in Hub Planner.

Delete Event

Tool to delete a specific event by ID in Hub Planner.

Delete Holiday

Tool to delete a specific holiday by ID in Hub Planner.

Delete Milestone

Tool to delete a specific milestone by ID in Hub Planner.

Delete Project

Tool to delete a specific project by ID in Hub Planner.

Delete Project Custom Field Template

Tool to delete a project custom field template by its ID.

Delete Project Group

Tool to delete a specific project group by ID in Hub Planner.

Delete Projects

Tool to delete multiple projects by their IDs in a single operation.

Delete Project Tag

Tool to delete a specific project tag by ID in Hub Planner.

Delete Resource

Tool to delete a specific resource by ID.

Delete Resource Custom Field Template

Tool to delete a specific resource custom field template by ID.

Delete resources

Tool to delete multiple resources by their IDs in a single operation.

Delete Resource Tag

Tool to delete a specific resource tag by ID in Hub Planner.

Delete Time Entries

Tool to delete multiple time entries by their IDs in a single operation.

Delete Time Entry

Tool to delete a specific time entry by ID in Hub Planner.

Delete Vacation

Tool to delete a specific vacation by ID in Hub Planner.

Get Billing Rate by ID

Tool to retrieve a specific billing rate by ID from Hub Planner.

Get Booking by ID

Tool to retrieve a specific booking by ID from Hub Planner.

Get Booking Category by ID

Tool to retrieve a specific booking category by ID from Hub Planner.

Get Client by ID

Tool to retrieve a specific client by ID from Hub Planner.

Get Cost Category

Tool to retrieve a specific project cost category by ID from Hub Planner.

Get Event by ID

Tool to retrieve a specific event by ID from Hub Planner.

Get Holiday by ID

Tool to retrieve a specific holiday by ID from Hub Planner.

Get Milestone

Tool to retrieve a specific milestone by ID from Hub Planner.

Get Project

Tool to retrieve a specific project by ID from Hub Planner.

Get Project Custom Field Template

Tool to retrieve a specific project custom field template by ID.

Get Project Custom Field Templates

Tool to retrieve all project custom field templates defined for your Hub Planner account.

Get Project Group

Tool to retrieve a specific project group by ID from Hub Planner.

Get Project Tags

Tool to retrieve all tags associated with a specific Hub Planner project.

Get Resource by ID

Tool to retrieve a specific resource by ID from Hub Planner.

Get Resource Custom Field Template

Tool to retrieve a specific resource custom field template by ID from Hub Planner.

Get Resource Custom Field Templates

Tool to retrieve custom field templates defined for resources in your Hub Planner account.

Get Resource Tags

Tool to retrieve all tags associated with a specific resource from Hub Planner.

Get Time Entry by ID

Tool to retrieve a specific time entry by ID from Hub Planner.

Get Vacation by ID

Tool to retrieve a specific vacation by ID from Hub Planner.

List Billing Rates

Tool to retrieve all billing rates from Hub Planner.

List Booking Categories

Tool to retrieve all booking categories from Hub Planner.

List Bookings

Tool to retrieve all bookings from Hub Planner with pagination support.

List Category Groups

Tool to get all category groups from Hub Planner.

List Clients

Tool to get all clients from Hub Planner.

List Cost Categories

Tool to retrieve all project cost categories from Hub Planner.

List Events

Tool to retrieve all events from Hub Planner.

List Holidays

Tool to retrieve all public holidays from Hub Planner.

List Project Groups

Tool to get all project groups from Hub Planner.

List Project Managers

Tool to get all project managers from Hub Planner.

List Projects

Tool to retrieve all projects from Hub Planner.

List Project Tags

Tool to retrieve all project tags from Hub Planner.

List Resource Groups

Tool to get all resource groups from Hub Planner.

List Resources

Tool to get all resources from Hub Planner.

List Resource Tags

Tool to get all resource tags from Hub Planner.

List Time Entries

Tool to get all time entries from Hub Planner.

List Unassigned Work

Tool to retrieve all unassigned work from Hub Planner.

List Vacations

Tool to retrieve all vacations from Hub Planner.

Patch Booking

Tool to partially update an existing booking in Hub Planner.

Patch Vacation

Tool to partially update an existing vacation by ID in Hub Planner.

Remove Client From Projects

Tool to remove a client from one or more projects in Hub Planner.

Remove Project From Groups

Tool to remove a project from one or more project groups in Hub Planner.

Remove Project Tag

Tool to remove a tag from a Hub Planner project.

Remove Resource from Projects

Tool to remove a resource from one or more projects in Hub Planner.

Remove Resource Tag

Tool to remove a tag from a resource.

Search Billing Rates

Tool to search billing rates in Hub Planner with filters.

Search Booking Categories

Tool to search booking categories in Hub Planner with filters.

Search Bookings

Tool to search bookings in Hub Planner with advanced filters.

Search Clients

Tool to search clients with filters in Hub Planner.

Search Cost Categories

Tool to search project cost categories in Hub Planner with filters.

Search Events

Tool to search events with filters in Hub Planner.

Search Holidays

Tool to search holidays with filters in Hub Planner.

Search Milestones

Tool to search milestones in Hub Planner with filters.

Search Project Custom Fields

Tool to search project custom field templates by type, label, or required status.

Search Projects

Tool to search projects with filters in Hub Planner.

Search Resource Custom Field Templates

Tool to search resource custom field templates by type, label, or other properties.

Search resources

Tool to search for resources with various filters in Hub Planner.

Search Time Entries

Tool to search time entries with filters in Hub Planner.

Search Vacations

Tool to search vacations in Hub Planner with advanced filters.

Set Project Managers

Tool to set project managers for a Hub Planner project.

Update Billing Rate

Tool to update an existing billing rate by ID in Hub Planner.

Update Booking

Tool to update an existing booking in Hub Planner by ID.

Update Booking Category

Tool to update an existing booking category by ID in Hub Planner.

Update Client

Tool to update an existing client by ID in Hub Planner.

Update Cost Category

Tool to update an existing project cost category by ID in Hub Planner.

Update Event

Tool to update an existing event in Hub Planner by ID.

Update Holiday

Tool to update an existing holiday by ID in Hub Planner.

Update Milestone

Tool to update an existing milestone by ID in Hub Planner.

Update Project Custom Field Template

Tool to update an existing project custom field template in Hub Planner.

Update Project Group

Tool to update an existing project group by ID in Hub Planner.

Update Hub Planner projects

Tool to update one or more projects in Hub Planner.

Update Project Tag

Tool to update an existing project tag by ID in Hub Planner.

Update Resource Custom Field Template

Tool to update an existing resource custom field template in Hub Planner.

Update Resource Group

Tool to update an existing resource group by ID in Hub Planner.

Update Resources

Tool to update one or more resources in Hub Planner.

Update Resource Tag

Tool to update an existing resource tag by ID in Hub Planner.

Update Time Entry

Tool to update an existing time entry by ID in Hub Planner.

Update Vacation

Tool to update an existing vacation by ID in Hub Planner.

FRAMEWORKS

How to build Hub Planner MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Hub Planner MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Hub Planner MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Hub Planner MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Hub Planner MCP with Claude Cowork

Codex logo

Codex

Use Hub Planner MCP with Codex

OpenClaw logo

OpenClaw

Use Hub Planner MCP with OpenClaw

Hermes logo

Hermes

Use Hub Planner MCP with Hermes

CLI logo

CLI

Use Hub Planner MCP with CLI

Google ADK logo

Google ADK

Use Hub Planner MCP with Google ADK

LangChain logo

LangChain

Use Hub Planner MCP with LangChain

Mastra AI logo

Mastra AI

Use Hub Planner MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Hub Planner MCP with LlamaIndex

CrewAI logo

CrewAI

Use Hub Planner MCP with CrewAI

FAQ

Frequently asked questions

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

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 Hub Planner tools.

Yes, absolutely. You can configure which Hub Planner 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.

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 Hub Planner data and credentials are handled as safely as possible.

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A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

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