A2H: ask a human for LangChain
io.github.andreaacanfora/a2h-gateway
Ask a human before acting: approvals by email, Telegram or push, signed answers, passkeys.
client:LangChain
transport:stdio
runtime:oci
Install A2H: ask a human in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"a2h-gateway": {
"transport": "stdio",
"command": "docker",
"args": ["run", "-i", "--rm", "ghcr.io/andreaacanfora/a2h-gateway:0.3.0"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs