Emaillistverify Integration 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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Supported Tools

Tools
Verify EmailTool to verify a single email address in real time.
Verify Email DetailedTool to verify a single email address and return detailed validation information.

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

Connect Emaillistverify MCP Tool with your Agent

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

Connect Emaillistverify API Tool with your Agent

Python
TypeScript

Install Composio

python
pip install composio_openai
Install the Composio SDK

Initialize Composio and Create Tool Router Session

python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()
session = composio.create(user_id='your-user-id')
Import and initialize Composio client, then create a Tool Router session

Execute Emaillistverify Tools via Tool Router with Your Agent

python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'Check if john.doe@example.com is a deliverable email address'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
Get tools from Tool Router session and execute Emaillistverify actions with your Agent

Use Emaillistverify with any AI Agent Framework

Choose a Framework you want to connect Emaillistverify with

OpenAI Agents SDK

OpenAI Agents SDK

Use Emaillistverify MCP with OpenAI Agents SDK

Claude Agents SDK

Claude Agents SDK

Use Emaillistverify MCP with Claude Agents SDK

Google ADK

Google ADK

Use Emaillistverify MCP with Google ADK

Langchain

Langchain

Use Emaillistverify MCP with Langchain

AI SDK

AI SDK

Use Emaillistverify MCP with AI SDK

Mastra AI

Mastra AI

Use Emaillistverify MCP with Mastra AI

LlamaIndex

LlamaIndex

Use Emaillistverify MCP with LlamaIndex

CrewAI

CrewAI

Use Emaillistverify MCP with CrewAI

Pydantic AI

Pydantic AI

Use Emaillistverify MCP with Pydantic AI

Autogen

Autogen

Use Emaillistverify MCP with Autogen

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

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