Ledger Voice
Know who owes you money, and get paid, by asking out loud.
Ledger Voice is an MCP server that gives Alexa+ the credit ledger of a small shop: who owes what, who is late, how each customer usually pays, whether to sell on credit, what cash to expect this week, and reminders written in the customer's own language.
MCP endpoint (Streamable HTTP, protocol 2025-11-25)
https://ledger.72.62.238.174.sslip.io/mcp
OAuth 2.1 with PKCE. Clients discover the authorization server from the 401 response and /.well-known/oauth-protected-resource.