claude-opus-4-5-migration

v1.0.0

Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.

Claude Code1 skill

by William Hu140.8kupdated 1 day ago

Source

$ git clone https://github.com/anthropics/claude-code

Clone the source, then follow the repository's marketplace instructions for your runtime. The plugin root is plugins/claude-opus-4-5-migration/ inside the repository.

Layout

plugins/claude-opus-4-5-migration/

├── .claude-plugin/plugin.json
└── skills/claude-opus-4-5-migration/SKILL.md

Skills1

claude-opus-4-5-migrationskills/claude-opus-4-5-migration/SKILL.md

Migrate prompts and code from Claude Sonnet 4.0, Sonnet 4.5, or Opus 4.1 to Opus 4.5. Use when the user wants to update their codebase, prompts, or API calls to use Opus 4.5. Handles model string updates and prompt adjustments for known Opus 4.5 behavioral differences. Does NOT migrate Haiku 4.5.

Manifests1

plugins/claude-opus-4-5-migration/.claude-plugin/plugin.json

{
  "name": "claude-opus-4-5-migration",
  "version": "1.0.0",
  "description": "Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.",
  "author": {
    "name": "William Hu",
    "email": "whu@anthropic.com"
  }
}