MailTester Email Verification for LangChain
com.mailtester/email-verification
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
client:LangChain
transport:streamable-http
tools:9
Install MailTester Email Verification in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"email-verification": {
"transport": "streamable_http",
"url": "https://app.mailtester.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs