CrawlCheck

Glossary · Machine files

well-known URI

A path under /.well-known/ reserved for machine-readable declarations. Agent-facing files are increasingly published there; serving one does not mean anything consumes it.

Machine files

The files addressed to machines rather than readers, and what publishing one does and does not buy.

llms.txt · llms-full.txt · agents.md · entity map · entity map parity · machine layer · MCP · agent card · sitemap index · OpenAPI specification · ai.txt · Tool definition · SKILL.md · sitemap origin error · soft 404 on a machine file · tdmrep.json · TDM exception · security.txt

machine layer  ·  MCP

See it in the full glossary · 579 terms across 19 areas. Scan a site to see which of these apply to it.