NLWeb
A natural-language query API: a REST /ask endpoint and an MCP /mcp endpoint advertising an ask tool. (live probe)
Broken variant
The /ask envelope is recognizable but its result items carry no schema.org typing; the /mcp ask tool omits its description and input schema.
Catalogued flags
| Flag | Kind | Severity |
|---|---|---|
nlWebRestErrorResponse | defect | high |
nlWebRestMalformedResponse | defect | high |
nlWebRestMissingSchemaOrg | informational — fails nothing | — |
nlWebMcpAskToolMissingDescription | defect | high |
nlWebMcpAskToolMissingInputSchema | defect | high |