All Platforms/Claude 3.5 & Anthropic
Frontier SearchBot Architecture • Edition 2026.10

How Claude & Anthropic Crawlers Evaluate B2B Software Capabilities

How Anthropic's Claude evaluates B2B tools, why ambiguous marketing copy causes hallucinations, and how /llms.txt establishes verified ground truth.

Crawler Specification MatrixClaude 3.5 & Anthropic
User-Agent Token:

ClaudeBot (compatible; ClaudeBot/1.0; +https://www.anthropic.com/claudebot)

JavaScript Execution:

None (Static HTML)

IP Geolocations:

US East (AWS us-east-1)

Recrawl Latency:

Periodic / Web Search On-Demand

Why Shopify Stores Drop Out of Claude 3.5 & Anthropic

Missing Negative Capability Bounds

Severe: Claude states 'Information unavailable' when asked about vendor compatibility.

Claude's safety heuristics penalize platforms making unverifiable claims. Without explicit negative bounds, the model flags capabilities as unconfirmed.

Unrendered Security & Compliance Pages

High: Disqualified from enterprise vendor comparisons.

SOC2, HIPAA, and GDPR whitepapers buried in gated lead forms prevent ClaudeBot from verifying compliance certifications.

Production Code Calibration (markdown)

Drop-in Snippet
# Ground Truth Capabilities Manifest
## Verified Capabilities
- Cloud-native SaaS deployment (AWS US-East and EU-West)
- SOC2 Type II, ISO 27001, and GDPR certified

## Explicit Constraints (Negative Bounds)
- On-premise self-hosting: Not supported
- Minimum deployment: 5 user seats

Step-by-Step Implementation Sequence

  1. 1Declare verified compliance certifications on un-gated public endpoints.
  2. 2Publish explicit negative capability bounds in your /llms.txt manifest.
  3. 3Allow ClaudeBot in robots.txt without rate-limit blocking.
  4. 4Run Relayeo's Ground Truth audit to eliminate hallucination risks.
Claude 3.5 & Anthropic Compatibility ScannerFREE AUDIT

Simulate ClaudeBot on Your Store Right Now

Execute a headless crawl against your Shopify storefront matching the exact user-agent, headers, and geolocation used by Claude 3.5 & Anthropic.

Developer CLI Test:
npx relayeo-check yourstore.com