{"slug":"nhanes-design-correct-survey-analysis-e9847a3f","name":"NHANES (design-correct survey analysis)","summary":"Design-correct NHANES analysis: survey weights, pooled cycles, CIs and NCHS reliability flags.","status":"live","headings":[{"slug":"analytics","title":"Data & analytics"},{"slug":"images-design","title":"Images & design"}],"indexable":true,"listed_since":"2026-10-25T17:50:31.088895Z","sources":[{"source":"mcp_registry","external_id":"com.blackswancausallabs/nhanes-mcp","owner_address":null,"seen_at":"2026-10-25T17:50:31.088895Z","removed_at":null}],"endpoints":[{"url":"https://blackswancausallabs.com/blog.html","host":"blackswancausallabs.com","protocol":"web","state":"live","last_probe_at":"2026-11-13T14:44:10.383880Z","last_ok_at":"2026-11-13T14:44:10.383880Z","tools_count":null,"tools_changed_at":null,"uptime_24h":null,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"assessment":{"method":"2026.11.4","checks":[{"id":"answers","state":"pass","reason":"Answered a check 9 hours ago."},{"id":"owner","state":"pass","reason":"Control proven: blackswancausallabs.com, proven to the MCP Registry."},{"id":"track_record","state":"fail","reason":"Listed for 19 days; 30 are needed."},{"id":"real_customers","state":"not_applicable","reason":"It does not sell over x402."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":2,"applicable":3,"contradicted":false,"computed_at":"2026-11-14T00:33:41.810687Z"},"identity":{"endpoint_domains":["blackswancausallabs.com"],"proven_domains":[{"domain":"blackswancausallabs.com","proven_by":"mcp_registry","serves_endpoint":true,"as_of":"2026-10-25T17:50:31.088895Z"}],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}