Bouncer for LangChain
io.github.ezed9/mcp-bouncer
Stdio MCP proxy that denies agent sends to destinations first seen in untrusted tool output.
client:LangChain
transport:stdio
runtime:pypi
Install Bouncer in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"mcp-bouncer": {
"transport": "stdio",
"command": "uvx",
"args": ["bouncer-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs