affaan-m/ECC

database-migrations

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2.7K installs 246K starsUpdated Sep 3, 2026License: MIT

Install

npx skills add affaan-m/ECC@database-migrations

Runs in your terminal. Adds the skill globally for Claude Code, Cursor, Codex and others; add -g -y to skip prompts.

What it does

Database Migration Patterns Safe, reversible database schema changes for production systems. When to Activate - Creating or altering database tables - Adding/removing columns or indexes - Running data migrations (backfill, transform) - Planning zero-downtime schema changes - Setting up migration tooling for a new project Core Principles 1. Every change is a migration — never alter production databases manually 2. Migrations are forward-only in production — rollbacks use new forward migrations 3. Schema and data migrations are separate — never mix DDL and DML in one migration 4. Test…

Excerpt from the skill's own SKILL.md. Read the full file on GitHub before installing: skills run with your agent's permissions.

View source on GitHub

Before you install

Skills are plain text instructions the agent follows, sometimes with scripts. Check the source, prefer repositories with many installs and stars, and read any script it ships.

Categories

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