# COREY > Local-first IFC review app for loading IFC files, inspecting model data, and > validating elements against clause-based rules. ## LLM References - [Validation rules contract](/llms-validation-rules.md): concise rules for generating COREY validation config JSON. - [Validation config JSON Schema](/schemas/validation-config-v4.schema.json): machine-readable schema for exported/imported rule config. - [User documentation](/docs/clauses): plain-language explanation of clauses and checks. - [Clause data model](/docs/clause-data-model): developer-facing rule model and API notes. ## Notes Generate validation configs as JSON with root `version: 4`, `severities`, and `clauses`. Do not generate legacy root `rules` files.