COLREGS 72 as language-neutral JSON: rule text, light definitions, and applicability predicates, with national amalgamations as a first-class dimension. Data only, with cross-implementation fixtures.
Preview MCP server over colregs-engine: cited, plural, modality-preserving COLREGS light displays. Not for navigation.
COLREGS applicability evaluator over the colregs data package: predicates → entries → relations → lawful displays.
SVG renderer for vessels, navigation lights and rules-of-the-road scenes. Sibling of coast-wright and wire-wright.
See the rules of the road — interactive COLREGS study tool: lights, rules, quizzes. Built on the colregs data package.
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