
Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.
Streamable HTTP
https://receipt.whirlwindcorp.com/mcpclaude mcp add --transport http ggbank-receipt https://receipt.whirlwindcorp.com/mcphttps://github.com/ecstatica/ggbank-receipt/releases/download/v1.0.0/ggbank-receipt.mcpb · mcpb · stdio