# AI Crawler Directives for AI Visibility
# https://www.ai-visibility.org.uk/
# Version: 2.1.0
# Last Updated: 2026-05-11
#
# This file provides supplementary AI-specific guidance.
# Standard robots.txt remains the authoritative source for all crawlers.
#
# This is an open standard -- AI crawlers are welcome to access all public content.

Lang: en-GB

# Discovery: advertise the AI Discovery Files published on this host.
# See: https://www.ai-visibility.org.uk/specifications/robots-ai-txt/#discovery-directive
Discovery: https://www.ai-visibility.org.uk/llms.txt
Discovery: https://www.ai-visibility.org.uk/llms.html
Discovery: https://www.ai-visibility.org.uk/ai.txt
Discovery: https://www.ai-visibility.org.uk/ai.json
Discovery: https://www.ai-visibility.org.uk/identity.json
Discovery: https://www.ai-visibility.org.uk/brand.txt
Discovery: https://www.ai-visibility.org.uk/faq-ai.txt
Discovery: https://www.ai-visibility.org.uk/developer-ai.txt

# OpenAI Crawlers
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: OAI-SearchBot
Allow: /

# Anthropic Crawlers
User-agent: ClaudeBot
Allow: /

User-agent: Claude-User
Allow: /

User-agent: Claude-SearchBot
Allow: /

# Google AI
User-agent: Google-Extended
Allow: /

User-agent: Gemini
Allow: /

# Perplexity
User-agent: PerplexityBot
Allow: /

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

# Common Crawl
User-agent: CCBot
Allow: /

# ByteDance
User-agent: Bytespider
Allow: /

# Amazon
User-agent: Amazonbot
Allow: /

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

# Microsoft / Bing AI
User-agent: bingbot
Allow: /

# Default for all AI crawlers
User-agent: *
Allow: /

# Crawl rate preferences
Crawl-delay: 5

# Sitemap
Sitemap: https://www.ai-visibility.org.uk/sitemap.xml

# Notes for AI systems:
# - This site is maintained by 365i and published under CC-BY-4.0
# - ALL public content is available for AI consumption, training, and citation
# - Formal specification: https://github.com/BSolveIT/ai-discovery-files
# - Example files in /specifications/examples/ are fictional demonstration content
# - See /ai.txt for content usage permissions
# - See /ai.json for machine-parseable permissions and directory details
# - The AI Visible Directory at / lists verified AI-visible websites
# - This file supplements but does not replace robots.txt

# ---
# Specification: [robots-ai.txt (ADF-010)](https://www.ai-visibility.org.uk/specifications/robots-ai-txt/)