Expose every documentation page's raw Markdown source at a predictable URL — via a .md suffix on the canonical URL, content negotiation, or both. Agents pull source instead of parsing HTML.
RFC 9110 — HTTP Semantics §12 (Content Negotiation), §8.7 (Vary), §8.7.1 (Content-Location)
Anthropic — docs.anthropic.com Markdown source (live example)