Actual endpoint tests
Endpoint: https://www.sandwich-panel.eu/wp-json/site-ai/v1/mcp
Six recorded screens show real JSON-RPC requests and server responses. This is a direct MCP client walkthrough, not a ChatGPT conversation. Negative cases demonstrate tool boundaries and stock-verification limitations, not language-model refusal behavior.
- 00:00 — Protocol discovery and three read-only tools.
- 00:08 — Product search with local identifiers.
- 00:16 — Specifications, units and sales conditions.
- 00:24 — Returned net/gross PLN prices or explicit confirmation requirements at two quantities.
- 00:32 — Search with no matching products.
- 00:40 — No order, payment or customer-data tools; no verified live-stock promise.
Prices are dated test results, not binding offers. Missing data is not inferred. No customer data or credentials are included.