Blackhull trading post: pre-trade checks for agents on Base for LangChain
com.blackhullsystems/listening-post
Before your agent buys a Base token: can it sell it back? Plus x402 service grades and providers.
client:LangChain
transport:streamable-http
tools:5
Install Blackhull trading post: pre-trade checks for agents on Base in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"listening-post": {
"transport": "streamable_http",
"url": "https://blackhullsystems.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs