The Agent Skills Directory

[SAFE]: The skill provides standard technical instructions for managing database migrations in Ruby on Rails environments. The patterns described focus on industry-standard techniques for avoiding database downtime, such as concurrent indexing and batched backfills.
[EXTERNAL_DOWNLOADS]: The skill recommends the use of the strong_migrations Ruby gem. The gem is a widely recognized tool for Rails applications. External links point to trusted organizations and well-known engineering resources such as GitHub, Shopify, Stripe, and GitLab.
[DYNAMIC_EXECUTION]: Instructions include the creation of throwaway anonymous classes and raw SQL execution within migrations. These are documented best practices in the Rails community to decouple migrations from evolving application logic and are not considered malicious.

safe-migrations