# robots-ai.txt for Mailbox MCP # Spec: https://www.ai-visibility.org.uk/specifications/robots-ai-txt/ v1.7.1 # Companion to /robots.txt for AI-specific crawlers. Standard robots.txt syntax, # plus the Discovery: directive that advertises every AI Discovery file # on the same host. # Last-Updated: 2026-09-04 User-agent: * Allow: / # OpenAI User-agent: GPTBot Allow: / Crawl-delay: 1 User-agent: ChatGPT-User Allow: / Crawl-delay: 1 User-agent: OAI-SearchBot Allow: / Crawl-delay: 1 # Anthropic. Token list per the 1.7.1 registry correction: Claude-Web and # anthropic-ai are retired and must NOT be listed; Claude-User and # Claude-SearchBot are the current ones alongside ClaudeBot. User-agent: ClaudeBot Allow: / Crawl-delay: 1 User-agent: Claude-User Allow: / Crawl-delay: 1 User-agent: Claude-SearchBot Allow: / Crawl-delay: 1 # Google User-agent: Google-Extended Allow: / # Apple User-agent: Applebot-Extended Allow: / # Perplexity User-agent: PerplexityBot Allow: / Crawl-delay: 1 # Meta User-agent: meta-externalagent Allow: / # Common Crawl User-agent: CCBot Allow: / # Cohere User-agent: cohere-ai Allow: / # You.com User-agent: YouBot Allow: / Sitemap: https://mailbox-mcp.com/sitemap.xml # AI Discovery file index (Discovery: directive). Each URL is absolute, # on the same host, and resolves 200 OK. AI consumers can fetch any of these # to learn about this business as a structured entity. Discovery: https://mailbox-mcp.com/llms.txt Discovery: https://mailbox-mcp.com/llms.html Discovery: https://mailbox-mcp.com/ai.txt Discovery: https://mailbox-mcp.com/ai.json Discovery: https://mailbox-mcp.com/identity.json Discovery: https://mailbox-mcp.com/brand.txt Discovery: https://mailbox-mcp.com/faq-ai.txt Discovery: https://mailbox-mcp.com/developer-ai.txt Discovery: https://mailbox-mcp.com/robots-ai.txt