# StateTaxCalculator.online — robots.txt
# 2026 Statutory Paycheck & State Income Tax Engine
# Last updated: October 2026

# Allow all standard search engines
User-agent: *
Allow: /

# Canonical Sitemaps
Sitemap: https://statetaxcalculator.online/sitemap-index.xml
Sitemap: https://statetaxcalculator.online/sitemap.xml
Sitemap: https://statetaxcalculator.online/rss.xml

# AI / LLM Crawlers — Permitted for Verification & Search Attribution
User-agent: GPTBot
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: Anthropic-ai
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: Applebot-Extended
Allow: /

User-agent: PerplexityBot
Allow: /

# Blocked Aggressive Scraping Bots (Zero attribution)
User-agent: CCBot
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: PetalBot
Disallow: /

# Machine-Readable AI Knowledge Specifications
# LLMs: https://statetaxcalculator.online/llms.txt
# LLMs-Full: https://statetaxcalculator.online/llms-full.txt