Works with the AI tools you already use
Database Schema & Query Review Gate
A bad query is a slow afternoon; a wrong table design or a migration that locks prod can hold your data and your users hostage.
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See it in action
You say
"Review this migration and these queries before I ship — Postgres."
Your agent does
A BLOCK verdict: the migration adds a NOT NULL column to a 50M-row table (it'll rewrite/lock prod — add nullable, backfill in batches, then set NOT NULL); a query filtering WHERE lower(email) can't use a plain index (add an expression index); and the orders.user_id foreign key has no index. Each with the fix, prioritized, ending in "BLOCK until the migration is non-locking."
What you get
About this skill
A bad query is a slow afternoon; a wrong table design or a migration that locks prod can hold your data and your users hostage. This gate reviews schema, queries, and migrations for what actually bites in production and returns a clear ship decision.
It runs an engine-aware review (Postgres, MySQL, SQLite, SQL Server):
• Schema design — right types, primary/foreign keys, constraints that enforce invariants, sensible normalization
• Indexing — missing indexes on FKs and WHERE/JOIN/ORDER BY columns, composite order, over-indexing, engine-appropriate index types
• Queries — N+1 patterns, SELECT *, full scans, functions on indexed columns, OFFSET pagination, and more
• Security — SQL injection (string-built queries) and least privilege
• Migration safety — destructive/irreversible ops, table-locking rewrites on big tables, backfill and rollback plans
You get a PASS / REVIEW / BLOCK verdict with prioritized fixes, and it points you to EXPLAIN ANALYZE to confirm performance rather than guessing. It's a static review — it defers to your engine's docs and doesn't replace running it on real data.
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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Creator
PubsProToolkit builds rigor-first skills for AI agents — they write your docs and content properly, then adversarially review them to catch what's wrong before it ships. The result: cleaner output and a hard quality gate in one toolkit. Built by a CMPP-certified, PhD medical writer who brings regulated-industry standards to developer docs, content, compliance, and research integrity.
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