blackwall for LangChain
com.blackwalltier/blackwall
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
client:LangChain
transport:stdio
runtime:npm
Install blackwall in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"blackwall": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "blackwall-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs