Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
Complete guide to ActiveRecord query optimization, associations, scopes, and PostgreSQL-specific patterns. Use when: (1) Writing database queries, (2) Designing model associations, (3) Creating migrations, (4) Optimizing query performance, (5) Debugging N+1 queries and GROUP BY errors. Trigger keywords: database, models, associations, validations, queries, ActiveRecord, scopes, migrations, N+1, PostgreSQL, indexes, eager loading
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: fb958f3d7c61bd17cf79d51e2d36a6492e8818d3535b7cbe1162597a16ae1908
About this listing
- Category
- Engineering
- Reported license
- Not specified
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.