Free Postgres Migration Risk Checker
Catch dangerous Postgres DDL before merge. Paste SQL or ORM migration files and get a GREEN/AMBER/RED verdict, 0-100 score, exact findings, and a merge-gate checklist. Free local Download; no API key or database connection.
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Free Postgres Migration Risk Checker
Catch dangerous DDL before merge. Download once and reuse this local Skill for future migration reviews.
Start in 3 steps
- Download and unzip the package.
- Add the folder to a compatible Agent Client such as Codex, Claude Code, OpenClaw, or Hermes.
- Paste SQL or point the client at a migration file and ask for a Postgres Migration Preflight.
No additional API key. No database connection. It never executes SQL.
What you get
- GREEN, AMBER, or RED verdict
- 0-100 heuristic risk score
- file-and-line evidence for destructive DDL, transaction-bound concurrent indexes, rewrites, constraints, and bulk writes
- five production facts still required
- merge-gate checklist and reviewer handoff
Real example
A migration with CREATE INDEX CONCURRENTLY inside BEGIN plus an unbounded UPDATE returns RED 100/100 and identifies both exact statements.
Free versus full review
The free checker finds where to stop and investigate. Postgres Migration Risk Gate adds safer DDL, rollout and backfill sequencing, rollback boundaries, monitoring, and a paste-ready PR comment.
The score is static screening, not proof of production safety. Always verify the real Postgres version, workload, table size, transaction behavior, and rollback window.
