User-agent: *
Allow: /

# Tier 1 — Must allow (primary AI search crawlers)
User-agent: GPTBot
Allow: /

User-agent: OAI-SearchBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: PerplexityBot
Allow: /

# Tier 2 — Should allow (platform AI features)
User-agent: Google-Extended
Allow: /

User-agent: GoogleOther
Allow: /

User-agent: Applebot-Extended
Allow: /

User-agent: Amazonbot
Allow: /

User-agent: FacebookBot
Allow: /

# Tier 3 — Context-dependent (training data crawlers)
User-agent: CCBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: cohere-ai
Allow: /

# Block ByteDance crawler
User-agent: Bytespider
Disallow: /

Sitemap: https://arc-relay.com/sitemap.xml

# AI agent discovery
# See /for-agents for markdown service description
# See /llms.txt for structured agent discovery
# See /llms-full.txt for extended agent context
# See /.well-known/ai-plugin.json for OpenAI plugin manifest
# See /.well-known/mcp.json for MCP server discovery
# See /.well-known/ai-catalog.json for ARD (Agentic Resource Discovery) catalog
# See /openapi.json for OpenAPI 3.1 spec