Build
Everything you need to implement OCF or build a tool on top of it: the normative spec, the schema, and the ecosystem.
Specification
The full, normative Open Coaching Format specification.
JSON Schema
The machine-readable JSON Schema you validate documents against.
Architecture
How the reference validator is built, documented with the arc42 template — diagrams included.
Error codes
The catalogue of validation error and warning codes with their meanings.
Ecosystem
Validator, renderer, and editor projects built on OCF, plus the roadmap.