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PostCode Check for LangChain

dev.workers.mike-tusa.postcodecheck/postcodecheck

Validate and normalize postal codes offline for 252 countries and territories. Format check only.

client:LangChain transport:streamable-http tools:2

Install PostCode Check in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "postcodecheck": {
            "transport": "streamable_http",
            "url": "https://postcodecheck.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

PostCode Check in other clients