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mcp/harbor
LangChain

storefront guard for LangChain

io.github.maxigirl123/storefront-guard

Verifies a merchant storefront is legitimate before an AI agent commits payment.

client:LangChain transport:stdio runtime:npm

Install storefront guard in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

storefront guard in other clients

storefront guard MCP server