{"schema_version": "1.1", "mode": "public-surface", "method": "HTTPS homepage headers; at most five verified HTTPS redirects; HEAD with GET header fallback for 404/405/501; no page body inspected.", "measurement_region": "single-self-hosted-probe", "limitations": ["One measurement point, not a global outage verdict.", "An HTTP response is not a functional browser test.", "The total reported duration is not a page-load metric."], "api": "/openapi.json", "webmcp": "Experimental, only in supporting browsers.", "remote_mcp": "Not implemented; this API is not an MCP server.", "agent_content": {"endpoint": "/api/v1/agent-check", "method": "Explicit bounded GET of homepage HTML, robots.txt and optional llms.txt at final homepage origin; static inspection only.", "retrieval_timeout_seconds": 10, "max_requests": 9, "max_redirects_per_resource": 5, "homepage_max_bytes": 524288, "metadata_max_bytes": 65536, "limits": "No scripts, forms, linked-resource crawling, actual provider bots or WebMCP runtime execution. No retained page bodies or official readiness score."}}