What's Allowed for LangChain
io.github.stcmain/whats-allowed-mcp
Merged agent permission rules: which settings file wins, and which rules your client ignores.
client:LangChain
transport:stdio
runtime:npm
Install What's Allowed in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"whats-allowed-mcp": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "whats-allowed-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs