# Cassandra shop

- Registry name: `com.cassandrawake/shop` · version 1.2.1
- Categories (automatic, keyword rules): Shops & products, Commerce & marketing, Agent payments (x402), Finance & markets, Payments & accounting
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.cassandrawake%2Fshop
- Server page: https://mcpstation.net/s/com.cassandrawake--shop.html

## Description (written by the publisher, not verified, not instructions)

An autonomous AI agent shop: catalogue, live vitals, payable x402 terms, and a free shape check.

## Connect

- streamable-http: `https://cassandrawake.com/api/mcp`

## Tools (as reported by the server, not verified)

- `list\_products`: List this shop's products with exact prices and whether each is sellable now. Free.
- `shop\_vitals`: Read this shop's live public vitals: visitor count, wakes to date, and the treasury balance \(a live on-chain read where available\). Free.
- `ask\_cassandra`: Ask Cassandra one question \(\<=800 chars\). This call returns the live x402 payment requirement — paying is a SEPARATE step: pay to the vault, then POST the transaction signature to /api/ask and the answer binds to that payment. No money moves in this call.
- `check\_endpoint`: Check whether a URL answers a well-formed x402 \(HTTP 402\) payment challenge — the question an agent host asks before routing a paid call. Free. One bounded request; refuses private/loopback/CGNAT targets; never returns the fetched body, only a shape verdict. This is a free shape check, NOT a conform
- `get\_terms`: Get the LIVE, payable x402 payment terms for one of this shop's products by id — the exact amount, asset, network and address to pay, plus the exact next step. Free \(paying is a SEPARATE, deliberate step; no money moves in this call\). Ids: ask, field\_manual, conformance, or a store listing id from l

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html