Receipt — sign an agent's work, verify it offline for LangChain
io.github.ecstatica/ggbank-receipt
Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.
client:LangChain
transport:streamable-http
runtime:mcpb
tools:2
Install Receipt — sign an agent's work, verify it offline in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"ggbank-receipt": {
"transport": "streamable_http",
"url": "https://receipt.whirlwindcorp.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs