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LangChain

Proof of Type Input for LangChain

com.proofoftype/input

Add a text box that proves a human typed it, not AI. Code for any framework; verify proof tokens.

client:LangChain transport:streamable-http tools:3

Install Proof of Type Input in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "input": {
            "transport": "streamable_http",
            "url": "https://www.proofoftype.com/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

Proof of Type Input in other clients