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.
Defect metrics
nlWebRestErrorResponse |
nlWebRestMalformedResponse |
nlWebRestMissingSchemaOrg |
nlWebMcpAskToolMissingDescription |
nlWebMcpAskToolMissingInputSchema |