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mcp/harbor
LangChain

MCP Sentinel for LangChain

io.github.oaslananka/sentinel

Zero-trust MCP security proxy with policy enforcement, PII scrubbing, approvals, and audit trails.

client:LangChain transport:stdio runtime:npm

Install MCP Sentinel in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

MCP Sentinel in other clients

MCP Sentinel MCP server