Ground a database schema change in this application's real structure using Laravel Truss. Use when adding or altering tables, columns, indexes, or foreign keys, when a migration needs to match what is already there, or when you need to know what a migration actually changed. Structure only, never data.
Use when the user wants a Chen-model ER diagram from SQL CREATE TABLE statements or DBML, wants to rearrange or clean up an existing sql2er state, wants a skeleton-only overview with attributes hidden at generate time, or needs drawio/svg/png/json/html exports with final visual review.
Static analysis for Django codebases: real answers about models, relations, N+1 queries, migration safety, schema drift and "what breaks if I remove this field", computed from the AST — no database, no settings module, no django.setup(). Use this skill whenever the user works in a Django project and asks about models…