WARDEN — MCP Security Firewall for LangChain
io.github.alexar76/warden
MCP security firewall: vet tool definitions before they reach the model.
client:LangChain
transport:stdio
runtime:npm
Install WARDEN — MCP Security Firewall in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"warden": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@aimarket/warden"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs