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LangChain

PII Shield for LangChain

ai.piishield/pii-shield

Redact names, IDs, emails, phones and card numbers before they reach the model; restore them after.

client:LangChain transport:streamable-http tools:6

Install PII Shield in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "pii-shield": {
            "transport": "streamable_http",
            "url": "https://piishield.ai/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

PII Shield in other clients