Claude AI doesn't have a crawlable index or real-time search results like Google. It generates answers from patterns learned during training, which ended in April 2024 for the current model. If your content existed before that cutoff and appeared in high-authority sources, datasets, or widely referenced documentation, Claude may reference it. Otherwise, it won't know your site exists. The only direct way to appear in Claude's responses today is through Extended Context or Projects, where users manually upload your content as a reference document. That's not ranking in the traditional sense, it's just document retrieval. For future Claude versions, the strategy shifts to citation-building. Anthropic likely trains on Common Crawl, academic datasets, GitHub, Stack Overflow, and curated high-quality sources. Your best move is to get mentioned or linked by authoritative publishers, open datasets, or technical documentation that training pipelines prioritize. A backlink from a government site, a major news outlet, or a widely used API reference carries more weight than a thousand low-quality blog mentions. At Ottawa SEO, we treat LLM visibility as a byproduct of real authority, not a separate optimization channel. If you rank well in Google through E-E-A-T signals, produce original research, or maintain technical documentation that developers cite, you're already positioned for future LLM training cycles. The mechanics are opaque and Anthropic doesn't publish inclusion criteria, but the pattern is clear: models prioritize sources humans already trust. Watch out for snake oil. No one can guarantee Claude visibility today because there's no submission process and no real-time index. Anyone selling "AI SEO" for LLMs is either speculating or repackaging standard authority-building tactics. Focus on the fundamentals: authoritative backlinks, structured data, original research, and clear technical writing. If Claude's next training run happens in 2025 and your content is cited across the web by then, you'll show up. If it's not, you won't.