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 seatsStep-by-Step Implementation Sequence
- 1Declare verified compliance certifications on un-gated public endpoints.
- 2Publish explicit negative capability bounds in your /llms.txt manifest.
- 3Allow ClaudeBot in robots.txt without rate-limit blocking.
- 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