AI Citation Institute (AICI) is an AI visibility measurement and optimization platform. It tracks whether AI engines - ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews - mention, cite, and recommend your brand on the queries that matter, with per-query citation evidence rather than a single opaque score. AICI runs 5-engine visibility panels, per-platform scoreboards, and competitor share-of-voice tracking, then guides site remediation from measured citation drivers: brand-bound extractable claims, dated content freshness, page-type/query intent matching, and entity building. The methodology is published and the numbers are reproducible - every reported mention traces back to a stored engine response you can read.