Emaillistverify MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Emaillistverify MCP or direct API to validate emails, clean lists, detect bounces, and improve deliverability through natural language.
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30 min · no commitment · see it on your stack

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Try Emaillistverify now

Enter a prompt below to test the integration in our Tool Router playground. You'll be redirected to sign in and try it live.

Supported Tools

Tools
Check BlacklistsTool to check an IP address (IPv4/IPv6) or domain against multiple DNS-based blacklists (DNSBLs) for spam or malicious activity.
Check Disposable DomainTool to verify if an email domain is associated with temporary/disposable email addresses.
Delete MaillistTool to delete a finished email list.
Download Email ListTool to download a finished email list with verification results.
Find Contact EmailTool to search for a contact's business email address by name and company domain.
Get API File InfoTool to retrieve progress of an uploaded email list verification.
Get CreditsTool to retrieve details about available on-demand and subscription credits.
Get Email Job StatusTool to get the status of an asynchronous email verification job.
Get Maillist ProgressTool to retrieve real-time progress updates for an uploaded email list verification.
Upload Email ListTool to upload an email list file for bulk verification.
Verify Single EmailTool to verify email deliverability status of a single email address.
Verify Single Email DetailedTool to verify email deliverability with detailed metadata including MX server info, ESP, first/last name estimation, gender, and role detection.
Python
TypeScript

Install Composio

python
pip install composio claude-agent-sdk
Install the Composio SDK and Claude Agent SDK

Create Tool Router Session

python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
Initialize the Composio client and create a Tool Router session

Connect to AI Agent

python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Emaillistverify tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Verify deliverability of alice@example.com')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
Use the MCP server with your AI agent

Why Use Composio?

AI Native Emaillistverify Integration

  • Supports both Emaillistverify MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for bulk and single email verification, list cleaning, and status queries

Managed Auth

  • Built-in API key management for Emaillistverify
  • Central place to manage and revoke API credentials
  • Per user and per environment keys—no more hard-coding secrets

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 Emaillistverify
  • Scoped, least privilege access to email verification resources
  • Full audit trail of agent actions to support review and compliance

Frequently Asked Questions

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

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

Can I use multiple toolkits together?

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

Is Composio secure?

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

What if the API changes?

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

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.