# ================================================================
# llms.txt for zhuji.gd (主机格调)
# Strategy: Whitelist high-quality, citation-providing AI crawlers.
# Last Updated: August 17, 2025
# ================================================================

# -------------------------------------------------------------------
# Section 1: Default rule for all unspecified LLM agents
# Block by default to prevent usage by unknown or non-compliant bots.
# -------------------------------------------------------------------
User-agent: *
Disallow: /

# -------------------------------------------------------------------
# Section 2: Whitelist - Allow specific, high-value AI crawlers
# These bots are known to support or provide content attribution.
# -------------------------------------------------------------------

# Allow Anthropic's crawler (Claude AI). They officially support the llms.txt standard.
User-agent: anthropic-ai
Disallow:

# Allow Google's Extended crawler (used for Gemini and other AI products).
User-agent: Google-Extended
Disallow:

# Allow OpenAI's web browsing crawler.
User-agent: ChatGPT-User
Disallow:

# Allow Perplexity's crawler. Their product is an answer engine that provides citations.
User-agent: PerplexityBot
Disallow: