Manages Supabase database schema, migrations, and queries for CookMode V2. Use this when the user needs to create/modify tables, write migrations, update RLS policies, or troubleshoot database issues.
SkillScore100Maintained
Automatic
◆Data Engineer pack
Last verified 8/22/2026
What it changes
Passed 23 of 23 test cases with the skill, and 6 of 23 without it.
Without skill26%
With skill100%
Checks it passed that the model alone missed
The default color is #9333ea.
The primary schema file is /supabase-schema.sql.
The order_count column must be between 1 and 50 inclusive.
and 19 more in the full report
17 fixed6 passed either way0 still failing0 broke
Pass-rate lift
+74 pp
Tokens
+80%
Agent turns
0%
Response time
-49%
Model gemini-3.6-flashMeasured 8/22/2026v123 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 17 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 17
Prompt
What is the default hex color value configured for the `color` column in `recipe_chef_names` when no color is specified?
What was checked, without and with the skill
Checked
Without skill
With skill
The default color is #9333ea.
Missed
Passed
case-12 · gemini-3.6-flash · 8/22/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md318 linessingle file
Database Manager Skill
Your Role
You specialize in Supabase PostgreSQL database operations for CookMode V2. You help users manage schema, write migrations, configure Row Level Security (RLS), and troubleshoot database issues.