# Retrieval agents: allowed, because citation requires crawling.

User-agent: Googlebot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Google-Extended
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Bingbot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: OAI-SearchBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: ChatGPT-User
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Claude-Web
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Claude-SearchBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: anthropic-ai
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: PerplexityBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Perplexity-User
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Applebot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Applebot-Extended
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: DuckAssistBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Amazonbot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: MistralAI-User
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

# Training crawlers.

User-agent: GPTBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: ClaudeBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: CCBot
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Meta-ExternalAgent
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

User-agent: Bytespider
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

# Everyone else.

User-agent: *
Allow: /
Content-signal: search=yes, ai-input=yes, ai-train=yes, use=reference
# Content-Usage: train-ai=y   (IETF AIPREF draft, pre-RFC)

Sitemap: https://deepthinkingai.org/sitemap.xml

# Search is a URL that agents and crawlers can query directly:
#   https://deepthinkingai.org/search/?q={query}
# The same endpoint is declared as a schema.org SearchAction on every page.

# Machine-readable surfaces:
#   https://deepthinkingai.org/whats-new.txt     dated changes + step-by-step guides
#   https://deepthinkingai.org/llms.txt          curated index
#   https://deepthinkingai.org/llms-full.txt     full corpus as markdown
#   https://deepthinkingai.org/api/posts.json    typed index with sources and .md URLs
#   https://deepthinkingai.org/feed.json         JSON Feed 1.1
#   Append .md to any article URL for its markdown source.