# Content signals: explicit opt-in. We want our content used for AI training,
# input into AI models (RAG/grounding for real-time answers), and indexed for
# search — that's the whole point of this site. Declared here so it can't be
# silently overridden by a host-level default.
# Spec: https://contentsignals.org

# Default: everyone welcome
User-agent: *
Content-Signal: search=yes,ai-train=yes,ai-input=yes
Allow: /

# AI search & assistant crawlers — explicitly welcome (we want to be cited)
User-agent: GPTBot
Allow: /

User-agent: OAI-SearchBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: Claude-User
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Perplexity-User
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: CCBot
Allow: /

User-agent: Bingbot
Allow: /

Sitemap: https://arctic.health/sitemap-index.xml