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Skill · .md packageAddy Osmani/10 trustVerified

deprecation-and-migration

Manages deprecation and migration.

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About

Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another. Use when migrating a database schema in production, such as renaming or dropping a column without downtime (expand/contract). Use when deciding whether to maintain or sunset existing code.

What it can do

  • Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another. Use when migrating a database schema in production, such as renaming or dropping a column without downtime (expand/contract). Use when deciding whether to maintain or sunset existing code.

Setup

  1. Install: npx skills add addyosmani/agent-skills --all
  2. The skill auto-loads when relevant, or invoke it by name in your agent.

Prerequisites

A compatible AI coding agent (Claude Code, Cursor, etc.).

Use cases

codedata

Works with

Claude CodeAny agent (.md)

Trust score — 9/10

/10 trustVerified

Agent skills from Addy Osmani (Google Chrome team) — 107k+ stars, covering coding workflows, frontend, testing, and automation. Highly trusted author.

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.