How to integrate Follow Up Boss MCP with LlamaIndex

This guide walks you through connecting Follow Up Boss to LlamaIndex using the Composio tool router. By the end, you'll have a working Follow Up Boss agent that can list all leads added this week, update contact info for lead john doe, create a new deal for jane smith through natural language commands. This guide will help you understand how to give your LlamaIndex agent real control over a Follow Up Boss account through Composio's Follow Up Boss MCP server. Before we dive in, let's take a quick look at the key ideas and tools involved.

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Introduction

This guide will help you understand how to give your LlamaIndex agent real control over a Follow Up Boss account through Composio's Follow Up Boss MCP server.

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

Also integrate Follow Up Boss with

ChatGPT OpenAI Agents SDK Claude Agent SDK Claude Code Claude Cowork Codex OpenCode Cursor VS Code OpenClaw Hermes CLI Google ADK LangChain Vercel AI SDK Mastra AI CrewAI

TL;DR

Here's what you'll learn:

Set your OpenAI and Composio API keys
Install LlamaIndex and Composio packages
Create a Composio Tool Router session for Follow Up Boss
Connect LlamaIndex to the Follow Up Boss MCP server
Build a Follow Up Boss-powered agent using LlamaIndex
Interact with Follow Up Boss through natural language

What is LlamaIndex?

LlamaIndex is a data framework for building LLM applications. It provides tools for connecting LLMs to external data sources and services through agents and tools.

Key features include:

ReAct Agent: Reasoning and acting pattern for tool-using agents
MCP Tools: Native support for Model Context Protocol
Context Management: Maintain conversation context across interactions
Async Support: Built for async/await patterns

What is the Follow Up Boss MCP server, and what's possible with it?

The Follow Up Boss MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Follow Up Boss account. It provides structured and secure access so your agent can perform Follow Up Boss 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:

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

Step-by-step Guide

Step by step10 STEPS

Prerequisites

Before you begin, make sure you have:

Python 3.8/Node 16 or higher installed
A Composio account with the API key
An OpenAI API key
A Follow Up Boss account and project
Basic familiarity with async Python/Typescript

Getting API Keys for OpenAI, Composio, and Follow Up Boss

OpenAI API key (OPENAI_API_KEY)

Go to the OpenAI dashboard
Create an API key if you don't have one
Assign it to OPENAI_API_KEY in .env

Composio API key and user ID

Log into the Composio dashboard
Copy your API key from Settings
- Use this as COMPOSIO_API_KEY
Pick a stable user identifier (email or ID)
- Use this as COMPOSIO_USER_ID

Installing dependencies

npm install @composio/llamaindex @llamaindex/openai @llamaindex/tools @llamaindex/workflow dotenv

Create a new Typescript project and install the necessary dependencies:

@composio/llamaindex: Composio's LlamaIndex integration
@llamaindex/openai: OpenAI LLM integration
@llamaindex/tools: MCP client for LlamaIndex
@llamaindex/workflow: Workflow framework for LlamaIndex
dotenv: Environment variable management

Set environment variables

bash

OPENAI_API_KEY=your-openai-api-key
COMPOSIO_API_KEY=your-composio-api-key
COMPOSIO_USER_ID=your-user-id

Create a .env file in your project root:

These credentials will be used to:

Authenticate with OpenAI's GPT-5 model
Connect to Composio's Tool Router
Identify your Composio user session for Follow Up Boss access

Import modules

import "dotenv/config";
import readline from "node:readline/promises";
import { stdin as input, stdout as output } from "node:process";

import { Composio } from "@composio/core";

import { mcp } from "@llamaindex/tools";
import { agent as createAgent } from "@llamaindex/workflow";
import { openai } from "@llamaindex/openai";

dotenv.config();

Create a new file called follow up boss_llamaindex_agent.ts and import the required modules:

Key imports:

dotenv.config loads .env at runtime
readline gives us a simple CLI chat loop
Composio is the main Composio SDK client
mcp connects to an MCP endpoint
createAgent builds a LlamaIndex agent
openai configures the LLM backend

Load environment variables and initialize Composio

const OPENAI_API_KEY = process.env.OPENAI_API_KEY;
const COMPOSIO_API_KEY = process.env.COMPOSIO_API_KEY;
const COMPOSIO_USER_ID = process.env.COMPOSIO_USER_ID;

if (!OPENAI_API_KEY) throw new Error("OPENAI_API_KEY is not set");
if (!COMPOSIO_API_KEY) throw new Error("COMPOSIO_API_KEY is not set");
if (!COMPOSIO_USER_ID) throw new Error("COMPOSIO_USER_ID is not set");

What's happening:

This ensures missing credentials cause early, clear errors before the agent attempts to initialise.

Create a Tool Router session and build the agent function

async function buildAgent() {

  console.log(`Initializing Composio client...${COMPOSIO_USER_ID!}...`);
  console.log(`COMPOSIO_USER_ID: ${COMPOSIO_USER_ID!}...`);

  const composio = new Composio({
    apiKey: COMPOSIO_API_KEY,
    provider: new LlamaindexProvider(),
  });

  const session = await composio.create(
    COMPOSIO_USER_ID!,
    {
      toolkits: ["follow_up_boss"],
    },
  );

  const mcpUrl = session.mcp.url;
  console.log(`Composio Tool Router MCP URL: ${mcpUrl}`);

  const server = mcp({
    url: mcpUrl,
    clientName: "composio_tool_router_with_llamaindex",
    requestInit: {
      headers: {
        "x-api-key": COMPOSIO_API_KEY!,
      },
    },
    // verbose: true,
  });

  const tools = await server.tools();

  const llm = openai({ apiKey: OPENAI_API_KEY, model: "gpt-5" });

  const agent = createAgent({
    name: "composio_tool_router_with_llamaindex",
        description : "An agent that uses Composio Tool Router MCP tools to perform actions.",
    systemPrompt:
      "You are a helpful assistant connected to Composio Tool Router."+
"Use the available tools to answer user queries and perform Follow Up Boss actions." ,
    llm,
    tools,
  });

  return agent;
}

What's happening here:

We create a Composio client using your API key and configure it with the LlamaIndex provider
We then create a tool router MCP session for your user, specifying the toolkits we want to use (in this case, follow up boss)
The session returns an MCP HTTP endpoint URL that acts as a gateway to all your configured tools
LlamaIndex will connect to this endpoint to dynamically discover and use the available Follow Up Boss tools.
The MCP tools are mapped to LlamaIndex-compatible tools and plug them into the Agent.

Create an interactive chat loop

async function chatLoop(agent: ReturnType<typeof createAgent>) {
  const rl = readline.createInterface({ input, output });

  console.log("Type 'quit' or 'exit' to stop.");

  while (true) {
    let userInput: string;

    try {
      userInput = (await rl.question("\nYou: ")).trim();
    } catch {
      console.log("\nAgent: Bye!");
      break;
    }

    if (!userInput) {
      continue;
    }

    const lower = userInput.toLowerCase();
    if (lower === "quit" || lower === "exit") {
      console.log("Agent: Bye!");
      break;
    }

    try {
      process.stdout.write("Agent: ");

      const stream = agent.runStream(userInput);
      let finalResult: any = null;

      for await (const event of stream) {
        // The event.data contains the streamed content
        const data: any = event.data;

        // Check for streaming delta content
        if (data?.delta) {
          process.stdout.write(data.delta);
        }

        // Store final result for fallback
        if (data?.result || data?.message) {
          finalResult = data;
        }
      }

      // If no streaming happened, show the final result
      if (finalResult) {
        const answer =
          finalResult.result ??
          finalResult.message?.content ??
          finalResult.message ??
          "";
        if (answer && typeof answer === "string" && !answer.includes("[object")) {
          process.stdout.write(answer);
        }
      }

      console.log(); // New line after streaming completes
    } catch (err: any) {
      console.error("\nAgent error:", err?.message ?? err);
    }
  }

  rl.close();
}

What's happening:

We're creating a direct terminal interface to chat with Follow Up Boss
The LLM's responses are streamed to the CLI for faster interaction.
The agent uses context to maintain conversation history
The agent processes the request, selects appropriate Follow Up Boss tools, and returns a result
We extract the answer from the result data structure and display it to the user
You can type 'quit' or 'exit' to stop the chat loop gracefully
Agent responses and any errors are streamed in a clear, readable format

Define the main entry point

async function main() {
  try {
    const agent = await buildAgent();
    await chatLoop(agent);
  } catch (err) {
    console.error("Failed to start agent:", err);
    process.exit(1);
  }
}

main();

What's happening here:

We're orchestrating the entire application flow
The agent gets built with proper error handling
Then we kick off the interactive chat loop so you can start talking to Follow Up Boss

Run the agent

npx ts-node llamaindex-agent.ts

When prompted, authenticate and authorise your agent with Follow Up Boss, then start asking questions.

Complete Code

Here's the complete code to get you started with Follow Up Boss and LlamaIndex:

import "dotenv/config";
import readline from "node:readline/promises";
import { stdin as input, stdout as output } from "node:process";

import { Composio } from "@composio/core";
import { LlamaindexProvider } from "@composio/llamaindex";

import { mcp } from "@llamaindex/tools";
import { agent as createAgent } from "@llamaindex/workflow";
import { openai } from "@llamaindex/openai";

dotenv.config();

const OPENAI_API_KEY = process.env.OPENAI_API_KEY;
const COMPOSIO_API_KEY = process.env.COMPOSIO_API_KEY;
const COMPOSIO_USER_ID = process.env.COMPOSIO_USER_ID;

if (!OPENAI_API_KEY) {
    throw new Error("OPENAI_API_KEY is not set in the environment");
  }
if (!COMPOSIO_API_KEY) {
    throw new Error("COMPOSIO_API_KEY is not set in the environment");
  }
if (!COMPOSIO_USER_ID) {
    throw new Error("COMPOSIO_USER_ID is not set in the environment");
  }

async function buildAgent() {

  console.log(`Initializing Composio client...${COMPOSIO_USER_ID!}...`);
  console.log(`COMPOSIO_USER_ID: ${COMPOSIO_USER_ID!}...`);

  const composio = new Composio({
    apiKey: COMPOSIO_API_KEY,
    provider: new LlamaindexProvider(),
  });

  const session = await composio.create(
    COMPOSIO_USER_ID!,
    {
      toolkits: ["follow_up_boss"],
    },
  );

  const mcpUrl = session.mcp.url;
  console.log(`Composio Tool Router MCP URL: ${mcpUrl}`);

  const server = mcp({
    url: mcpUrl,
    clientName: "composio_tool_router_with_llamaindex",
    requestInit: {
      headers: {
        "x-api-key": COMPOSIO_API_KEY!,
      },
    },
    // verbose: true,
  });

  const tools = await server.tools();

  const llm = openai({ apiKey: OPENAI_API_KEY, model: "gpt-5" });

  const agent = createAgent({
    name: "composio_tool_router_with_llamaindex",
    description:
      "An agent that uses Composio Tool Router MCP tools to perform actions.",
    systemPrompt:
      "You are a helpful assistant connected to Composio Tool Router."+
"Use the available tools to answer user queries and perform Follow Up Boss actions." ,
    llm,
    tools,
  });

  return agent;
}

async function chatLoop(agent: ReturnType<typeof createAgent>) {
  const rl = readline.createInterface({ input, output });

  console.log("Type 'quit' or 'exit' to stop.");

  while (true) {
    let userInput: string;

    try {
      userInput = (await rl.question("\nYou: ")).trim();
    } catch {
      console.log("\nAgent: Bye!");
      break;
    }

    if (!userInput) {
      continue;
    }

    const lower = userInput.toLowerCase();
    if (lower === "quit" || lower === "exit") {
      console.log("Agent: Bye!");
      break;
    }

    try {
      process.stdout.write("Agent: ");

      const stream = agent.runStream(userInput);
      let finalResult: any = null;

      for await (const event of stream) {
        // The event.data contains the streamed content
        const data: any = event.data;

        // Check for streaming delta content
        if (data?.delta) {
          process.stdout.write(data.delta);
        }

        // Store final result for fallback
        if (data?.result || data?.message) {
          finalResult = data;
        }
      }

      // If no streaming happened, show the final result
      if (finalResult) {
        const answer =
          finalResult.result ??
          finalResult.message?.content ??
          finalResult.message ??
          "";
        if (answer && typeof answer === "string" && !answer.includes("[object")) {
          process.stdout.write(answer);
        }
      }

      console.log(); // New line after streaming completes
    } catch (err: any) {
      console.error("\nAgent error:", err?.message ?? err);
    }
  }

  rl.close();
}

async function main() {
  try {
    const agent = await buildAgent();
    await chatLoop(agent);
  } catch (err: any) {
    console.error("Failed to start agent:", err?.message ?? err);
    process.exit(1);
  }
}

main();

Conclusion

You've successfully connected Follow Up Boss to LlamaIndex through Composio's Tool Router MCP layer. Key takeaways:

Tool Router dynamically exposes Follow Up Boss tools through an MCP endpoint
LlamaIndex's ReActAgent handles reasoning and orchestration; Composio handles integrations
The agent becomes more capable without increasing prompt size
Async Python provides clean, efficient execution of agent workflows

You can easily extend this to other toolkits like Gmail, Notion, Stripe, GitHub, and more by adding them to the toolkits parameter.

TOOLS

Supported Tools

Every Follow Up Boss action and event your agent gets out of the box.

Apply Action Plan to Person

Tool to apply an Action Plan to a person in Follow Up Boss.

Create Appointment

Tool to create a new appointment in Follow Up Boss.

Create appointment outcome

Tool to create an appointment outcome in Follow Up Boss.

Create Appointment Type

Tool to create a new appointment type in Follow Up Boss.

Create Call

Tool to add a call record to Follow Up Boss.

Create Custom Field

Tool to create a custom field in Follow Up Boss.

Create Deal Custom Field

Tool to create a custom field for deals in Follow Up Boss.

Create Deal

Tool to create a new deal in Follow Up Boss.

Create Email Marketing Campaign

Tool to create an email marketing campaign in Follow Up Boss.

Create Email Marketing Events

Tool to notify Follow Up Boss about marketing emails sent, opens, clicks, bounces, unsubscribes and spam reports.

Create Events

Tool to send in a lead or an event related to a lead in Follow Up Boss.

Create Group

Tool to create a new Follow Up Boss group with specified members and distribution settings.

Create Pipeline

Tool to create a new pipeline in Follow Up Boss.

Create Ponds

Tool to create a new pond in Follow Up Boss.

Create Reactions

Tool to add a reaction (emoji) to a Note, Call, or ThreadedReply.

Create Stage

Tool to create a new stage in Follow Up Boss.

Create Team

Tool to create a new team in Follow Up Boss.

Create email template

Tool to create a new email template in Follow Up Boss.

Create Text Message Template

Tool to create a text message template in Follow Up Boss.

Delete Appointment

Tool to delete an appointment by ID.

Delete Appointment Outcome

Tool to delete an appointment outcome by ID.

Delete Appointment Type

Tool to delete an appointment type by its ID.

Delete Custom Field

Tool to delete a custom field by its ID.

Delete Deal

Tool to delete a deal by its ID.

Delete Deal Custom Field

Tool to delete a deal custom field by ID.

Delete Group

Tool to delete a group by its ID.

Delete People Relationship

Tool to delete a people relationship by ID in Follow Up Boss.

Delete Pipeline

Tool to delete a pipeline by its ID from Follow Up Boss.

Delete Pond

Tool to delete a pond by its ID.

Delete Stage

Tool to delete a Follow Up Boss stage by ID.

Delete Team

Tool to delete a team by its ID.

Delete text message template

Tool to delete a text message template by ID.

Get Appointment

Tool to retrieve an appointment by its ID.

Get Appointment Outcome

Tool to retrieve an appointment outcome by ID.

Get Appointment Type

Tool to retrieve an appointment type by ID.

Get Call

Tool to retrieve a call by its ID from Follow Up Boss.

Get Deal

Tool to retrieve a deal by its ID from Follow Up Boss.

Get Deal Custom Field

Tool to retrieve a deal custom field by its ID from Follow Up Boss.

Get Event

Tool to retrieve a single event by its ID from Follow Up Boss.

Get Group

Tool to retrieve a group by its ID from Follow Up Boss.

Get Identity

Tool to retrieve identity and authentication information from Follow Up Boss.

Get Me

Tool to retrieve information about the currently authenticated user.

Get People Relationship

Tool to retrieve a people relationship by its ID from Follow Up Boss.

Get Pipeline

Tool to retrieve a pipeline by its ID from Follow Up Boss.

Get Ponds

Tool to retrieve a pond by its ID from Follow Up Boss.

Get Smart List

Tool to retrieve a Smart List by its ID from Follow Up Boss.

Get Stage

Tool to retrieve a stage by its ID from Follow Up Boss.

Get Team

Tool to retrieve a team by its ID from Follow Up Boss.

Get Template

Tool to retrieve an email template by its ID from Follow Up Boss.

Get Text Message

Tool to retrieve a text message by its ID from Follow Up Boss.

Get Text Message Template

Tool to retrieve a text message template by its ID from Follow Up Boss.

Get User

Tool to retrieve a user by its ID from Follow Up Boss.

List Action Plans

Tool to get a list of Action Plans from Follow Up Boss.

List Action Plans People

Tool to list Action Plans applied to a particular person or list people on a particular Action Plan.

List Appointment Outcomes

Tool to list all appointment outcomes from Follow Up Boss.

List Appointments

Tool to search for appointments in Follow Up Boss.

List Appointment Types

Tool to list all appointment types from Follow Up Boss.

List Calls

Tool to search for calls in Follow Up Boss.

List Custom Fields

Tool to list all custom fields in Follow Up Boss.

List Deal Custom Fields

Tool to list all deal custom fields in Follow Up Boss.

List Deals

Tool to search for and list deals from Follow Up Boss.

List Email Marketing Campaigns

Tool to list email marketing campaigns from Follow Up Boss.

List Email Marketing Events

Tool to retrieve email marketing events from Follow Up Boss.

List Events

Tool to search for and list events from Follow Up Boss.

List Groups

Tool to list all groups from Follow Up Boss.

List Groups Round Robin

Tool to list groups with round-robin data from Follow Up Boss.

List Inbox Apps

Tool to list all inbox app installations from Follow Up Boss.

List People Relationships

Tool to list all people relationships from Follow Up Boss.

List Pipelines

Tool to search for pipelines in Follow Up Boss.

List Ponds

Tool to list all ponds from Follow Up Boss.

List Smart Lists

Tool to list Smart Lists from Follow Up Boss.

List Stages

Tool to retrieve a list of stages from Follow Up Boss.

List Team Inboxes

Tool to list all shared team inboxes from Follow Up Boss.

List Teams

Tool to get a list of teams from Follow Up Boss.

List Templates

Tool to list all email templates from Follow Up Boss.

List Text Messages

Tool to list text messages for a person or phone number from Follow Up Boss.

List Text Message Templates

Tool to list all text message templates from Follow Up Boss.

List Timeframes

Tool to get a list of timeframes from Follow Up Boss.

List Users

Tool to search for and list users from Follow Up Boss.

List Webhooks

Tool to retrieve a list of webhooks from Follow Up Boss.

Merge Template

Tool to merge an email template with person data using Follow Up Boss API.

Merge Text Message Template

Tool to merge a text message template with person data.

Update Action Plan People Status

Tool to update the status of an Action Plan to Person relationship in Follow Up Boss.

Update Appointment

Tool to update an existing appointment in Follow Up Boss.

Update appointment outcome

Tool to update an existing appointment outcome in Follow Up Boss.

Update Appointment Type

Tool to update an existing appointment type in Follow Up Boss.

Update Call

Tool to update an existing call record in Follow Up Boss.

Update Custom Fields

Tool to update an existing custom field in Follow Up Boss by its ID.

Update Deal Custom Fields

Tool to update an existing deal custom field in Follow Up Boss.

Update Deal

Tool to update an existing deal in Follow Up Boss.

Update Email Marketing Campaign

Tool to update an existing email marketing campaign in Follow Up Boss.

Update Group

Tool to update an existing Follow Up Boss group with modified members and distribution settings.

Update People Relationships

Tool to update details of a specific people relationship in Follow Up Boss.

Update Pipeline

Tool to update an existing pipeline in Follow Up Boss.

Update Ponds

Tool to update an existing pond in Follow Up Boss.

Update Stage

Tool to update an existing stage in Follow Up Boss.

Update Team

Tool to update an existing team in Follow Up Boss.

Update email template

Tool to update an existing email template in Follow Up Boss.

Update Text Message Template

Tool to update an existing text message template in Follow Up Boss.

FRAMEWORKS

How to build Follow Up Boss MCP Agent with another framework

ChatGPT

Use Follow Up Boss MCP with ChatGPT

OpenAI Agents SDK

Use Follow Up Boss MCP with OpenAI Agents SDK

Claude Agent SDK

Use Follow Up Boss MCP with Claude Agent SDK

Claude Code

Use Follow Up Boss MCP with Claude Code

Claude Cowork

Use Follow Up Boss MCP with Claude Cowork

Codex

Use Follow Up Boss MCP with Codex

Cursor

Use Follow Up Boss MCP with Cursor

OpenClaw

Use Follow Up Boss MCP with OpenClaw

Hermes

Use Follow Up Boss MCP with Hermes

CLI

Use Follow Up Boss MCP with CLI

Google ADK

Use Follow Up Boss MCP with Google ADK

LangChain

Use Follow Up Boss MCP with LangChain

Vercel AI SDK

Use Follow Up Boss MCP with Vercel AI SDK

Mastra AI

Use Follow Up Boss MCP with Mastra AI

CrewAI

Use Follow Up Boss MCP with CrewAI

OpenCode

Use Follow Up Boss MCP with OpenCode

VS Code

Use Follow Up Boss MCP with VS Code

MORE TOOLKITS

Explore Other Toolkits

Toolkit marketplace

Hubspot

Oauth2Api Key

HubSpot is an all-in-one marketing, sales, and customer service platform. It lets teams nurture leads, automate outreach, and track every customer interaction in one place.

Pipedrive

Oauth2Api Key

Pipedrive is a sales management platform offering pipeline visualization, lead tracking, and workflow automation. It helps sales teams keep deals moving forward efficiently and never miss a follow-up.

Salesforce

Oauth2S2s Oauth2

Salesforce is a leading CRM platform that helps businesses manage sales, service, and marketing. It centralizes customer data, enabling teams to drive growth and build strong relationships.

Apollo

Api Key

Apollo is a CRM and lead generation platform that helps businesses discover contacts and manage sales pipelines. Use it to streamline customer outreach and track your deals from one place.

FAQ

Frequently asked questions

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

Yes, you can. LlamaIndex 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 Follow Up Boss tools.

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

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