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mcp/harbor
LangChain

HSM Kit for LangChain

io.github.hsm-kit/hsmkit

Local-first Base64, Luhn, key-component XOR, and synthetic ISO-0 PIN block tools.

client:LangChain transport:stdio runtime:npm

Install HSM Kit in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "hsmkit": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@hsmkit/mcp-server"],
        }
})

tools = await client.get_tools()

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

HSM Kit in other clients

HSM Kit MCP server