{"slug":"sparkquote-nec-calculators-75a349ce","name":"SparkQuote NEC calculators","summary":"NEC 2023 electrical calculators: wire size, ampacity, voltage drop, conduit fill, box fill, load.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:19.378882Z","sources":[{"source":"mcp_registry","external_id":"ai.sparkquote/nec-calculators","owner_address":null,"seen_at":"2026-10-25T17:50:19.378882Z","removed_at":null}],"endpoints":[{"url":"https://sparkquote.ai/mcp","host":"sparkquote.ai","protocol":"mcp","state":"live","last_probe_at":"2026-10-25T19:42:54.636141Z","last_ok_at":"2026-10-25T19:42:54.636141Z","tools_count":10,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://sparkquote.ai/tools/mcp-server","host":"sparkquote.ai","protocol":"web","state":"live","last_probe_at":"2026-10-25T19:42:53.360593Z","last_ok_at":"2026-10-25T19:42:53.360593Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"notice":"Not affiliated with addrbook — claim or request removal."}