JSON is great for code. It is heavy and deeply nested for Agents. The constraint is the context window. Brackets, quotes, and nesting are token tax. YAML is bri

JSON is great for code. It is heavy and deeply nested for Agents. The constraint is the context window. Brackets, quotes, and nesting are token tax. YAML is brittle. Whitespace errors break parsers. We chose the robots.txt model. It is dense and resilient. It is not a unicorn. It is a workhorse.