TruckCodex robots policy # # Public FMCSA / NHTSA reference content is open to traditional search crawlers # (Googlebot, Bingbot) and major AI retrieval bots (rate-limited at Cloudflare). # SEO / competitive-intel scrapers remain Disallowed. # See https://truckcodex.com/llms.txt for attribution preference. # # Content signals (https://contentsignals.org/): # search = building a search index + returning hyperlinks + short excerpts # ai-input = inputting content into AI models (RAG / grounding / live answers) # ai-train = training or fine-tuning AI models # # Posture (2026-09-17): search=yes; ai-input=yes; ai-train=no. # Googlebot / Bingbot / Google-InspectionTool remain fully unrestricted. # Edge: express/scripts/setup-cloudflare-bot-throttling.mjs # ΓÇö Google/Bing skip; AI allowed + ~10/min heavy-path RL; SEO blocked. User-agent: * Content-Signal: search=yes,ai-input=yes,ai-train=no Allow: / # /api/ ΓÇö JSON endpoints consumed only by client JS (suggest, vin-recalls). Disallow: /api/ # /compare/ ΓÇö hub + combinatorial pairs; also noindex,follow in HTML. Disallow: /compare/ # ΓöÇΓöÇ Major AI retrieval bots ΓÇö ALLOW (CF rate-limits origin pressure) ΓöÇΓöÇ User-agent: GPTBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: OAI-SearchBot Allow: / User-agent: ClaudeBot Allow: / User-agent: Claude-Web Allow: / User-agent: anthropic-ai Allow: / User-agent: PerplexityBot Allow: / User-agent: Perplexity-User Allow: / User-agent: Google-Extended Allow: / User-agent: Applebot-Extended Allow: / User-agent: Amazonbot Allow: / User-agent: meta-externalagent Allow: / User-agent: FacebookBot Allow: / User-agent: cohere-ai Allow: / User-agent: Diffbot Allow: / User-agent: ImagesiftBot Allow: / User-agent: AI2Bot Allow: / # ΓöÇΓöÇ Bulk training scrapers (no citation value) ΓöÇΓöÇ User-agent: Bytespider Disallow: / User-agent: CCBot Disallow: / # ΓöÇΓöÇ SEO / competitive-intel scrapers ΓöÇΓöÇ User-agent: SemrushBot Disallow: / User-agent: AhrefsBot Disallow: / User-agent: DotBot Disallow: / User-agent: MJ12bot Disallow: / User-agent: PetalBot Disallow: / User-agent: YandexBot Disallow: / User-agent: Baiduspider Disallow: / User-agent: DataForSeoBot Disallow: / User-agent: BLEXBot Disallow: / User-agent: Screaming Frog SEO Spider Disallow: / # Sitemap ΓÇö flat root index Sitemap: https://truckcodex.com/sitemap.xml