Mx toolbox Integration for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Mx toolbox MCP or direct API to run DNS lookups, check domain blacklists, analyze email server health, and monitor network issues through natural language.
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Supported Tools

Tools
Lookup BIMI RecordTool to retrieve bimi (brand indicators for message identification) record for a domain.
Lookup BlacklistTool to perform a blacklist check on a domain or ip.
Lookup DKIM RecordTool to retrieve dkim records for a domain.
Lookup DMARC RecordTool to retrieve dmarc records for a domain.
Lookup DNS RecordsTool to retrieve dns records for a given domain.
HTTP LookupTool to perform an http test on a domain.
Lookup MTA-STS RecordTool to lookup mta-sts record for a domain.
Lookup MX RecordsTool to retrieve mx records for a given domain.
Ping LookupTool to perform a ping test on a specified domain or ip address.
SMTP LookupTool to perform an smtp test on the specified domain.
Lookup SPF RecordTool to retrieve spf records for a specified domain.
Monitor StatusTool to retrieve all monitor statuses.
Check UsageTool to retrieve api usage statistics.

Why Use Composio?

AI Native Mx toolbox Integration

  • Supports both Mx toolbox MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for DNS records, blacklist checks, email diagnostics, and more

Managed Auth

  • Built-in API key management for Mx toolbox
  • Central place to manage, scope, and revoke access
  • Per user and per environment credentials so you never share API keys

Agent Optimized Design

  • Tools are tuned using real error and success rates for better automation
  • Comprehensive execution logs so you always know what ran and when

Enterprise Grade Security

  • Fine-grained RBAC to control which agents and users can access Mx toolbox
  • Scoped, least privilege access to your Mx toolbox resources
  • Full audit trail for all agent-triggered diagnostic actions

Connect Mx toolbox 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 Mx toolbox tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Check if example.com is blacklisted')
        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 Mx toolbox 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 Mx toolbox 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 example.com is blacklisted on major DNSBLs'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
Get tools from Tool Router session and execute Mx toolbox actions with your Agent

Use Mx toolbox with any AI Agent Framework

Choose a Framework you want to connect Mx toolbox with

OpenAI Agents SDK

OpenAI Agents SDK

Use Mx toolbox MCP with OpenAI Agents SDK

Claude Agents SDK

Claude Agents SDK

Use Mx toolbox MCP with Claude Agents SDK

Google ADK

Google ADK

Use Mx toolbox MCP with Google ADK

Langchain

Langchain

Use Mx toolbox MCP with Langchain

AI SDK

AI SDK

Use Mx toolbox MCP with AI SDK

Mastra AI

Mastra AI

Use Mx toolbox MCP with Mastra AI

LlamaIndex

LlamaIndex

Use Mx toolbox MCP with LlamaIndex

CrewAI

CrewAI

Use Mx toolbox MCP with CrewAI

Pydantic AI

Pydantic AI

Use Mx toolbox MCP with Pydantic AI

Autogen

Autogen

Use Mx toolbox MCP with Autogen

Frequently Asked Questions

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

Yes, Mx toolbox 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.

Book a call↗Get started for free