·postgres-migrations
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postgres-migrations

frizzle-chan/mudd

Write safe PostgreSQL migrations that avoid blocking reads/writes. Use when creating migrations, adding columns, indexes, constraints, or modifying tables. Based on Squawk linter rules.

5Installs·2Trend·@frizzle-chan

Installation

$npx skills add https://github.com/frizzle-chan/mudd --skill postgres-migrations

SKILL.md

This skill helps you write migrations that avoid blocking reads/writes in production. Based on Squawk linter rules.

After writing a migration, verify it with the Squawk CLI:

| Add column with default | ADD COLUMN x INT DEFAULT 1 NOT NULL (PG <11) | Add nullable, set default, backfill, then add NOT NULL | | Add NOT NULL to existing column | ALTER COLUMN x SET NOT NULL | Add CHECK constraint NOT VALID, validate, then SET NOT NULL |

Write safe PostgreSQL migrations that avoid blocking reads/writes. Use when creating migrations, adding columns, indexes, constraints, or modifying tables. Based on Squawk linter rules. Source: frizzle-chan/mudd.

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Install command
npx skills add https://github.com/frizzle-chan/mudd --skill postgres-migrations
Category
</>Dev Tools
Verified
First Seen
2026-02-01
Updated
2026-02-18

Quick answers

What is postgres-migrations?

Write safe PostgreSQL migrations that avoid blocking reads/writes. Use when creating migrations, adding columns, indexes, constraints, or modifying tables. Based on Squawk linter rules. Source: frizzle-chan/mudd.

How do I install postgres-migrations?

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/frizzle-chan/mudd --skill postgres-migrations Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor

Where is the source repository?

https://github.com/frizzle-chan/mudd