spend for LangChain
io.github.payclaw/spend
Agents are not bots. PayClaw proves it — then lets them pay. Badge + Spend on existing Visa rails.
client:LangChain
transport:stdio
runtime:npm
Install spend in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"spend": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@payclaw/mcp-server"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs