DeBounce MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with DeBounce MCP or direct API to validate emails, enrich contact data, check account usage, and process bulk validation lists through natural language.

DeBounce logoDeBounce
Api Key

DeBounce is an email verification service for checking address validity, deliverability, and risk. It helps keep contact lists clean so your campaigns reach real inboxes.

4 Tools

Try DeBounce now

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

TOOL ROUTER PLAYGROUND
DeBounce
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TOOLS

Supported Tools

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

Get Account Balance

Return the connected DeBounce account's remaining validation-credit balance.

Get API Usage

Return the aggregate number of DeBounce API validation calls in an inclusive date range.

Get Bulk Validation Status

Check progress for a bulk validation list created through the DeBounce Bulk API and return its result download URL when available.

Validate Email

Validate one email address with DeBounce and return its deliverability result, reason, and remaining credit balance.

SETUP GUIDE

Connect DeBounce MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

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 DeBounce
3

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: 'Validate the email address alex@example.com with DeBounce and explain the result.'
  }],
  maxSteps: 5,
});

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

Connect DeBounce 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 DeBounce Tools via Tool Router with Your Agent

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');

const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Validate the email address alex@example.com with DeBounce and explain the result.'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute DeBounce actions with your Agent

Why Use Composio?

AI Native DeBounce Integration

  • Supports both DeBounce MCP and direct API based integrations
  • Structured, LLM-friendly schemas for dependable email validation workflows
  • Rich coverage for validating addresses, checking usage, enriching contacts, and running bulk list checks

Managed Auth

  • Secure API key handling so you don't hard-code DeBounce credentials in agent code
  • Central place to manage, scope, and revoke DeBounce access
  • Per user and per environment credentials for cleaner production deployments

Agent Optimized Design

  • Tools are shaped for language models, so agents can pick the right DeBounce action with less guesswork
  • Clear inputs and outputs make email validation results easier for agents to explain
  • 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 DeBounce
  • Scoped, least privilege access to DeBounce resources
  • Full audit trail of agent actions to support review and compliance
FRAMEWORKS

Use DeBounce with any AI Agent Framework

Choose a Framework you want to connect DeBounce with

FAQ

Frequently asked questions

Yes, DeBounce requires you to configure your own API key. 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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