What problem does it solve? Only 11% of domains are cited by both ChatGPT and Google AI Overviews for the same query, because each AI search platform uses different indexes, ranking logic, and source preferences. This Skill diagnoses why a site is visible on one AI platform but invisible on another, and produces a prioritized optimization plan per platform. ## Core Features & Use Cases - Per-Platform Audits: Dedicated checklists and 0-100 scoring rubrics for Google AI Overviews, ChatGPT Web Search, Perplexity AI, Google Gemini, and Bing Copilot. - Platform-Specific Signals: Covers Wikipedia/Wikidata entity presence, Reddit community authority, YouTube strategy, IndexNow implementation, Schema.org markup, and Bing Webmaster Tools. - Structured Report Output: Generates a GEO-PLATFORM-OPTIMIZATION.md report with per-platform scores, gaps, and a tiered action plan (quick wins, medium-term, strategic). - Use Case: A marketing team finds their site ranks well on Google but is never cited by ChatGPT. Running this audit reveals missing Wikidata entity, no Bing Webmaster Tools verification, and thin content, with concrete fixes for each gap. ## Quick Start Audit example.com for AI search visibility across all five platforms and generate the platform optimization report.