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The endpoint exists and enforces authentication; nothing behind that boundary — tools, behaviour, service health — has been observed."},"checks":{"total":24,"ok":24,"authBoundaryOk":24,"serviceOk":0,"note":"Counted from the observation rows for the window, checks of the server only (HTTP, A2A card, MCP initialize). ok = authBoundaryOk + serviceOk. `probes` is the sum of daily rollups and includes registry checks, so it can differ from `total`."}},"latestObservations":[{"at":"2026-10-10T00:29:09.999Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":20,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Missing Authorization header\", resource_metadata=\"https://api.listar.fr/.well-known/oauth-protected-resource/mcp\""}},{"at":"2026-10-09T18:26:52.814Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":18,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", 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error_description=\"Missing Authorization header\", resource_metadata=\"https://api.listar.fr/.well-known/oauth-protected-resource/mcp\""}},{"at":"2026-10-07T20:30:14.160Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":19,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Missing Authorization header\", resource_metadata=\"https://api.listar.fr/.well-known/oauth-protected-resource/mcp\""}},{"at":"2026-10-07T13:28:07.171Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":19,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Missing Authorization header\", 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