# robots.txt for mtb.xyz
# Spec: RFC 9309 (https://www.rfc-editor.org/rfc/rfc9309)
# AI-bot taxonomy + Content Signals: https://blog.cloudflare.com/content-signals/
# Policy: open access for all crawlers and AI agents (search, runtime assistance, training).

# Content-Signal: search=yes, ai-input=yes, ai-train=yes
# (Cloudflare Content Signals are also served via Content-Signal HTTP header from _headers.)

User-agent: *
Allow: /

# --- AI bots: explicit allow per-bot for legibility ---

# OpenAI
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: OAI-SearchBot
Allow: /

# Anthropic
User-agent: ClaudeBot
Allow: /

User-agent: Claude-Web
Allow: /

User-agent: anthropic-ai
Allow: /

# Perplexity
User-agent: PerplexityBot
Allow: /

User-agent: Perplexity-User
Allow: /

# Google AI (separate from Googlebot, which is covered by *)
User-agent: Google-Extended
Allow: /

# Apple
User-agent: Applebot-Extended
Allow: /

# Common Crawl
User-agent: CCBot
Allow: /

# ByteDance
User-agent: Bytespider
Allow: /

# Cohere
User-agent: cohere-ai
Allow: /

# Amazon
User-agent: Amazonbot
Allow: /

# Meta
User-agent: meta-externalagent
Allow: /

User-agent: FacebookBot
Allow: /

# Verticalnet
User-agent: Omgilibot
Allow: /

# Diffbot
User-agent: Diffbot
Allow: /

Sitemap: https://mtb.xyz/sitemap.xml