D1 Migration Guard
Catch D1 migration bugs before wrangler apply does
What is D1 Migration Guard?
d1-migration-guard is a free, zero-dependency CLI that catches common Cloudflare D1 migration problems before wrangler d1 migrations apply does. It checks numbering, database config, destructive SQL, and trigger definitions that break Wrangler's SQL splitter. It only reads local files—never Wrangler or your database. MIT licensed, no signup, telemetry, or paid tier. Built to catch real, still-open Wrangler bugs.
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