Customerio MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Customerio MCP or direct API to send targeted emails, create customer segments, trigger campaigns, and track user engagement through natural language.

Customerio logoCustomerio
Api Key

Customer.io is a customer engagement platform for targeted messaging across email, SMS, and push. Easily automate, segment, and track communications with your audience.

23 Tools

Try Customerio now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

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

Add Person to Group

Tool to add people to a group in Customer.

Create Profile Alias

Tool to create an alias to merge multiple profiles in Customer.

Suppress Customer Profile

Suppress a customer profile to permanently delete it and prevent re-adding with the same identifier.

Get Integrations

Tool to retrieve a list of integrations in your workspace.

Get Messages

Tool to retrieve a list of messages sent from your workspace.

Get Segment Details

Tool to retrieve details of a specific segment.

Get Segment Membership

Tool to retrieve people in a specific segment.

Get Segments

Tool to retrieve a list of segments in your workspace.

Get Trigger

Retrieves details about a specific API-triggered broadcast, including trigger ID, campaign ID, creation timestamp, recipient filter criteria, and personalization data.

Get Broadcast Triggers

Retrieve all API trigger instances for a specific broadcast/campaign.

Get Customer.io Workspace Webhooks

Retrieves all reporting webhook configurations from the Customer.

Identify Person

Tool to identify a person and assign traits to them in Customer.

List Collections

Tool to list all Collections metadata.

List IP Addresses

Tool to retrieve the list of IP addresses used by Customer.

List Newsletters

Tool to list all newsletters.

List Snippets

Tool to list all snippets in your workspace.

List Transactional Messages

Lists all transactional message templates in your Customer.

Send Batch CDP Calls

Send multiple CDP calls (identify, track, page, screen, group, alias) in a single batch request.

Track Event

Tool to send an event associated with a person in Customer.

Track Page View

Tool to track page view events for website visitors in Customer.

Track Screen View

Track mobile screen views in Customer.

Trigger Broadcast

Manually trigger a Customer.

Unsubscribe from Delivery

Tool to handle custom unsubscribe requests for email deliveries in Customer.

SETUP GUIDE

Connect Customerio MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK and Claude Agent SDK
2

Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });

console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);
Initialize the Composio client and create a Tool Router session
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: mcp.url,
    headers: { 'x-api-key': 'your-composio-api-key' }
  }
});

const tools = await client.tools();

const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{ role: 'user', content: 'Get messages sent in the last 24 hours from Customer.io' }],
  stopWhen: stepCountIs( 5 )
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent
SETUP GUIDE

Connect Customerio API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Customerio Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'List all segments with more than 1000 members'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Customerio actions with your Agent

Why Use Composio?

AI Native Customerio Integration

  • Supports both Customerio MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Customerio data

Managed Auth

  • Built-in API Key management with automatic credential rotation
  • Central place to manage, scope, and revoke Customerio access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Customerio
  • Scoped, least privilege access to Customerio resources
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, Customerio requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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