What is the accuracy of MailerCheck verification?

MailerCheck uses advanced multi-layer checks including syntax, DNS, and SMTP handshake to provide highly accurate results categorized into valid, risky, and invalid.

Can I verify large lists of emails?

Yes, use the `create_verification_batch` tool to upload a JSON array of email addresses. You can then monitor the progress and retrieve results once completed.

How do I check my remaining credits?

Use the `get_account_info` tool to retrieve your profile details and the current balance of verification credits in your account.

MailerCheck MCP Server for AutoGen 5 tools — connect in under 2 minutes

Name: MailerCheck
Availability: InStock
Author: Vinkius

microsoft.github.io/autogen/docs/tools/mcp-tools

Built by Vinkius GDPR 5 Tools Framework

Microsoft AutoGen enables multi-agent conversations where agents negotiate, delegate, and execute tasks collaboratively. Add MailerCheck as an MCP tool provider through Vinkius and every agent in the group can access live data and take action.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from autogen_agentchat.agents import AssistantAgent
from autogen_ext.tools.mcp import McpWorkbench

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with McpWorkbench(
        server_params={"url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"},
        transport="streamable_http",
    ) as workbench:
        tools = await workbench.list_tools()
        agent = AssistantAgent(
            name="mailercheck_agent",
            tools=tools,
            system_message=(
                "You help users with MailerCheck. "
                "5 tools available."
            ),
        )
        print(f"Agent ready with {len(tools)} tools")

asyncio.run(main())

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About MailerCheck MCP Server

Connect your MailerCheck account to any AI agent to automate your email hygiene and deliverability workflows. This MCP server enables your agent to verify single email addresses instantly, manage batch verification lists, and monitor your account credits directly from natural language interfaces.

AutoGen enables multi-agent conversations where agents negotiate, delegate, and collaboratively use MailerCheck tools. Connect 5 tools through Vinkius and assign role-based access. a data analyst queries while a reviewer validates, with optional human-in-the-loop approval for sensitive operations.

What you can do

Real-time Verification — Instantly check if an email address is valid, risky, or invalid before sending
Batch Processing — Upload large lists of emails for asynchronous validation and track their progress
Results Ingestion — Retrieve detailed status reports for completed batches, including reason codes for invalid emails
History Oversight — List all recent verification batches and retrieve their technical metadata
Account Auditing — Monitor your authenticated user details and remaining verification credits

The MailerCheck MCP Server exposes 5 tools through the Vinkius. Connect it to AutoGen in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect MailerCheck to AutoGen via MCP

Follow these steps to integrate the MailerCheck MCP Server with AutoGen.

Install AutoGen

Run pip install "autogen-ext[mcp]"

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Integrate into workflow

Use the agent in your AutoGen multi-agent orchestration

Explore tools

The workbench discovers 5 tools from MailerCheck automatically

Why Use AutoGen with the MailerCheck MCP Server

AutoGen provides unique advantages when paired with MailerCheck through the Model Context Protocol.

Multi-agent conversations: multiple AutoGen agents discuss, delegate, and collaboratively use MailerCheck tools to solve complex tasks

Role-based architecture lets you assign MailerCheck tool access to specific agents. a data analyst queries while a reviewer validates

Human-in-the-loop support: agents can pause for human approval before executing sensitive MailerCheck tool calls

Code execution sandbox: AutoGen agents can write and run code that processes MailerCheck tool responses in an isolated environment

MailerCheck + AutoGen Use Cases

Practical scenarios where AutoGen combined with the MailerCheck MCP Server delivers measurable value.

Collaborative analysis: one agent queries MailerCheck while another validates results and a third generates the final report

Automated review pipelines: a researcher agent fetches data from MailerCheck, a critic agent evaluates quality, and a writer produces the output

Interactive planning: agents negotiate task allocation using MailerCheck data to make informed decisions about resource distribution

Code generation with live data: an AutoGen coder agent writes scripts that process MailerCheck responses in a sandboxed execution environment

MailerCheck MCP Tools for AutoGen (5)

These 5 tools become available when you connect MailerCheck to AutoGen via MCP:

create_verification_batch

Requires a name and a list of emails. Upload a list of emails for batch verification

get_account_info

Get account details and credit balance

get_batch_results

Retrieve the results for a specific batch

list_verification_batches

List all recent verification batches

verify_single_email

Requires an email string. Verify a single email address in real-time

Example Prompts for MailerCheck in AutoGen

Ready-to-use prompts you can give your AutoGen agent to start working with MailerCheck immediately.

"Verify the email address 'user@example.com' in MailerCheck."

"List all my recent verification batches."

"Show valid emails for batch ID '123'."

Troubleshooting MailerCheck MCP Server with AutoGen

Common issues when connecting MailerCheck to AutoGen through the Vinkius, and how to resolve them.

McpWorkbench not found

Install: pip install "autogen-ext[mcp]"

MailerCheck + AutoGen FAQ

Common questions about integrating MailerCheck MCP Server with AutoGen.

How does AutoGen connect to MCP servers?

Create an MCP tool adapter and assign it to one or more agents in the group chat. AutoGen agents can then call MailerCheck tools during their conversation turns.

Can different agents have different MCP tool access?

Yes. AutoGen's role-based architecture lets you assign specific MCP tools to specific agents, so a querying agent has different capabilities than a reviewing agent.