AI engine guide · Anthropic
How to get your company cited by Claude
Claude has become the second-largest source of B2B AI referrals, driven by professional users. It searches the web with Anthropic's own search crawler and quotes clear, well-structured pages.
Claude at a glance
| Owner | Anthropic |
| How it finds sources | Web search inside Claude; Anthropic operates separate crawlers for search indexing and training, and has been reported to use Brave Search results |
| Crawlers to allow | Claude-SearchBot (search), Claude-User (user-requested fetches); ClaudeBot collects training data and is a separate choice |
| Share of B2B AI referrals | 18.5% of measurable B2B AI referrals, March–April 2026 (industry referral analysis) |
| llms.txt | Anthropic recommends llms.txt in its guidance on writing for agents; useful when a user points Claude at your site |
| How we monitor | Monthly through the Anthropic API with web search |
Our live data
Claude is not yet part of the published index. It will be added from the October 2026 edition.
What buyers ask it
> Compare three Chinese OEM factories for a vegan skincare line: MOQ, certifications and lead times.
> Which suppliers make recyclable mono-material cosmetic tubes for the EU market?
What a beauty supplier should do for Claude
- Allow
Claude-SearchBotandClaude-Userin robots.txt. - Make sure pages render meaningful text without JavaScript.
- Use descriptive headings and short summaries at the top of long pages.
- Publish an llms.txt that points to your company facts, products and evidence pages.
- Keep the facts on your site consistent with directories and listings Claude may cross-check.
Frequently asked questions
Does blocking ClaudeBot remove me from Claude's answers?
ClaudeBot is Anthropic's training crawler. Search uses Claude-SearchBot, and user-requested fetches use Claude-User. Each can be controlled separately in robots.txt.
Why is Claude important for B2B?
Its user base skews professional; in 2026 referral data it was second only to ChatGPT in B2B research traffic.
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