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LangChain

x402 Email Verifier for LangChain

dev.workers.microtools-x402.x402-email-verifier/email-verifier

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

client:LangChain transport:streamable-http tools:2

Install x402 Email Verifier in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "email-verifier": {
            "transport": "streamable_http",
            "url": "https://x402-email-verifier.microtools-x402.workers.dev/mcp",
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

What LangChain can do once it is connected

x402 Email Verifier in other clients