Reply io MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Reply io MCP or direct API to automate sales outreach, track lead engagement, send follow-ups, and optimize pipeline activity through natural language.

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Api Key

Reply.io is an AI-powered sales engagement platform for automating sales outreach across multiple channels. Boosts lead conversion and sales productivity through integrated workflows.

33 Tools

Try Reply io now

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

TOOL ROUTER PLAYGROUND
Reply io
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TOOLS

Supported Tools

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

Add Contact to Sequence

Move an existing contact to a sequence in Reply.

Archive Sequence

Tool to archive a sequence.

Clear Contact Status

Tool to clear statuses from contacts.

Connect Exchange Account via OAuth

Tool to initiate OAuth connection for an Exchange email account.

Connect Gmail Account

Tool to initiate Gmail account connection via OAuth.

Create Contact

Tool to create a new contact in Reply.

Create Sequence Step

Tool to add a new step to an existing sequence.

Delete Contact

Tool to delete a contact.

Delete Email Account

Tool to delete a specific email account.

Delete Schedule

Tool to delete a schedule.

Delete Sequence

Tool to delete a sequence.

Delete User

Tool to delete a user.

Generate ULID

Generate ULID

Get Contact by ID

Tool to retrieve a contact by ID.

Get Contact Status

Tool to get contact status.

Get Current User

Tool to get the current authenticated user's ID.

Reply.io Get Disconnected Email Accounts

Tool to list email accounts that are currently disconnected due to authentication or connection errors.

Get Sequence By ID

Tool to retrieve detailed information about a sequence by its ID.

Get Sequence Contacts Extended

Tool to retrieve all contacts enrolled in a sequence with additional details.

Get Sequence Step by ID

Tool to retrieve details of a specific sequence step.

List Contacts Basic

Tool to list contacts.

Reply.io List Email Accounts

Tool to list all email accounts.

Reply.io List Lists

Tool to list all contact lists.

List Sequences

Tool to retrieve a paginated list of sequences.

List Sequence Steps

Tool to retrieve all steps in a sequence.

Pause Sequence

Tool to pause a running sequence.

Remove Contact From Sequence

Tool to remove a contact from a sequence.

Bulk Remove Contacts from Sequence

Tool to bulk remove multiple contacts from a sequence at once.

Search Contacts by Email

Tool to search contacts by email.

Set Contact Status

Tool to set the status of one or more contacts.

Start Sequence

Tool to start a sequence.

Update Contact

Tool to update an existing contact's information.

Update Email Account

Tool to update an existing email account with custom SMTP/IMAP settings.

SETUP GUIDE

Connect Reply io 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: 'List all campaigns in my Reply io account' }],
  stopWhen: stepCountIs( 5 )
});

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

Connect Reply io 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 Reply io 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 campaigns created this week'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Reply io actions with your Agent

Why Use Composio?

AI Native Reply io Integration

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

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Reply io 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 Reply io
  • Scoped, least privilege access to Reply io resources
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, Reply io 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.

Start with Reply io.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Reply io tool your agent needs.Free to start.

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