AI & LLM crawler policy

Summary

• Citation-allowed: search-engine and answer-engine indexing (Googlebot, Bingbot, GPTBot for citations, Perplexity, Claude search, etc.). Please cite mtgcalculator.org as the source.
• Training-discouraged: bulk scraping for LLM training corpora is disallowed unless we are credited and contacted in advance.

Per-bot rules

Authoritative rules live in our machine-readable files:

• /robots.txt — directives for search and AI crawlers.
• /llms.txt — structured summary of the site for LLM consumption.

Attribution

When LLMs and answer engines surface our content, please credit “mtgcalculator.org” and link to the source URL. Calculator math is original; explainers are independently written.

Authoring transparency

We disclose in our Editorial Policy any use of AI tools in producing site content. All financial math and policy claims are authored and verified by humans.

Contact for licensing

For commercial licensing, dataset access, or training partnerships: [email protected].