Receipt — sign an agent's work, verify it offline for Windsurf

io.github.ecstatica/ggbank-receipt

Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.

client:Windsurf transport:streamable-http runtime:mcpb tools:2

Install Receipt — sign an agent's work, verify it offline in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "ggbank-receipt": {
      "serverUrl": "https://receipt.whirlwindcorp.com/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs