CallOnTheGo MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with CallOnTheGo MCP or direct API to manage phone numbers, update caller IDs, maintain suppression lists, upload audio assets, and launch Voice AI campaigns through natural language.

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CallOnTheGo

Api Key

CallOnTheGo is a telephony API for managing phone numbers, caller IDs, suppression lists, audio assets, contact lists, and Voice AI campaigns. It provides programmatic control over calling infrastructure and campaign automation for scalable voice outreach.

29 Tools

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

TOOL ROUTER PLAYGROUND

CallOnTheGo

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TOOLS

Supported Tools

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

Add Suppression Entry

Idempotently add one phone number to the Do-Not-Call list.

Cancel Campaign

Irreversibly cancel a campaign and mark its queued or pending recipients cancelled.

Create Caller ID

Add a caller ID and initiate a telecom-provider verification call to confirm ownership.

Create Campaign

Create a draft Voice AI campaign from explicit caller ID, contact list, and audio resources.

Delete Caller ID

Permanently remove an owned caller ID configuration.

Delete Phone Number

Permanently remove an owned phone-number configuration by ID; deleting a missing ID also reports success.

Get Campaign

Get one campaign's configuration, lifecycle state, resource names, delivery metrics, and cost metrics.

Get Dashboard Stats

Return account-level call, contact, group, list, success-rate, and recent-activity summary metrics.

Get Voice Readiness

Return runtime readiness, telecom provider assignment, and supported capabilities for diagnosing whether voice campaigns can run.

Launch Campaign

Validate compliance, provision telecom isolation if needed, and launch a campaign.

List Audio Assets

List campaign audio assets with playback, duration, transcript, and compliance details.

List Caller IDs

List owned caller IDs with ownership-verification status and inbound-campaign assignment.

List Calls

Return one page of account call records for outcome and duration review, with an opaque cursor for the next page.

List Campaign Events

List only the newest 100 delivery events for a campaign, ordered newest first.

List Campaign Recipients

List all recipients for a campaign with call status, attempts, machine detection, and cost estimates.

List Campaigns

List Voice AI campaigns with lifecycle state, linked resources, calling window, rate, estimated cost, compliance state, and timestamps.

List Contact Lists

List campaign contact lists with valid, invalid, suppressed, and total recipient counts.

List Contacts

Return one page of contacts from the connected CallOnTheGo account for CRM lookup, with an opaque cursor for the next page.

List Phone Numbers

List phone numbers owned by the connected CallOnTheGo account, including the resource records needed to identify numbers for later management.

List Suppression Entries

List Do-Not-Call suppression entries for the connected account.

Pause Campaign

Pause a running campaign while retaining its pending recipients for a later resume.

Queue Campaign Lead

Queue one phone-number lead for dialing by a running campaign.

Resume Campaign

Resume a paused campaign and immediately requeue its pending recipients for calls.

Set Caller ID Inbound Campaign

Set or clear the preferred inbound campaign assigned to an owned caller ID.

Update Campaign

Update selected configuration fields on a draft or paused campaign.

Upload Audio Asset

Upload an MP3 or WAV file as a reusable campaign audio asset.

Upload Contact List

Create a campaign contact list from a CSV file.

Upload Suppression CSV

Persistently add many phone numbers to the Do-Not-Call list from a CSV file.

Verify Caller ID

Submit an ownership-verification code for an existing caller ID and return whether it became verified or remains pending.

SETUP GUIDE

Connect CallOnTheGo MCP Tool with your Agent

Install Composio

typescript

npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp

Install the Composio SDK for Python or TypeScript

Initialize Client and Create Tool Router Session

typescript

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

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);

Import and initialize the Composio client, then create a Tool Router session for CallOnTheGo

Connect to AI Agent

typescript

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

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.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: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);

Use the MCP server with your AI agent (Anthropic Claude or Mastra)

SETUP GUIDE

Connect CallOnTheGo API Tool with your Agent

Install Composio

typescript

npm install @composio/openai

Install the Composio SDK

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

Execute CallOnTheGo 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: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);

Get tools from Tool Router session and execute CallOnTheGo actions with your Agent

Why Use Composio?

AI Native CallOnTheGo Integration

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

Managed Auth

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

FRAMEWORKS

Use CallOnTheGo with any AI Agent Framework

Choose a Framework you want to connect CallOnTheGo with

ChatGPT Work

Use CallOnTheGo MCP with ChatGPT Work

Claude Cowork

Use CallOnTheGo MCP with Claude Cowork

Hermes

Use CallOnTheGo MCP with Hermes

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FAQ

Frequently asked questions

Yes, CallOnTheGo 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 CallOnTheGo.It takes 30 seconds.

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

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CallOnTheGo MCP for AI Agents

Try CallOnTheGo now

Supported Tools

Connect CallOnTheGo MCP Tool with your Agent

Install Composio

Initialize Client and Create Tool Router Session

Connect to AI Agent

Connect CallOnTheGo API Tool with your Agent

Install Composio

Initialize Composio and Create Tool Router Session

Execute CallOnTheGo Tools via Tool Router with Your Agent

Why Use Composio?

AI Native CallOnTheGo Integration

Managed Auth

Agent Optimized Design

Enterprise Grade Security

Use CallOnTheGo with any AI Agent Framework

ChatGPT Work

Claude Cowork

Hermes

Explore Other Toolkits

Gmail

Outlook

Slack

Gong

Frequently asked questions

Do I need my own developer credentials to use CallOnTheGo with Composio?+

Can I use multiple toolkits together?+

Is Composio secure?+

What if the API changes?+

Start with CallOnTheGo.It takes 30 seconds.