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PhoneCheck for LangChain

dev.workers.mike-tusa.phonecheck/phonecheck

Offline phone-number validation and formatting (E.164, region, line type). No carrier lookup.

client:LangChain transport:streamable-http tools:2

Install PhoneCheck in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "phonecheck": {
            "transport": "streamable_http",
            "url": "https://phonecheck.mike-tusa.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

PhoneCheck in other clients