Show HN: MigraDiff v1.3.0 – PostgreSQL schema diff with AI migration explanation

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v1.3.0 — AI-Powered Migration Explanation & Migrations Folder Support

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leochong

released this

30 May 15:28

·

3 commits

to main since this release

v1.3.0

c4e4ac0

Install

pip install --upgrade migradiff

What's New

AI-Powered Migration Explanation (--explain)

MigraDiff can now explain any migration in plain English — what

each change does, what risks it carries, and safer alternatives

for destructive operations.

pip install migradiff[ai] migra --setup-ai migra --explain postgres://db_a postgres://db_b

Powered by Claude Haiku (Anthropic). Bring your own API key —

no data is sent to MigraDiff servers. Works with --output json,

--from-file, --from-migrations-dir, and all existing flags.

Migrations Folder Input Mode (--from-migrations-dir)

Diff a directory of numbered migration files against a base

schema without requiring a live branch database.

migra --from-migrations-dir ./supabase/migrations \ postgres://db_production

Supports Supabase timestamp format, Flyway versioned format,

and standard numeric prefixes. Files applied in correct numeric

sort order (9 before 10, not lexicographic).

Also in this release

Naming clarification in README — CLI stays migra for backward

compatibility, package is migradiff

Full changelog: https://github.com/migradiff/migra/blob/main/CHANGELOG.md

Upgrading

pip install --upgrade migradiff