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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 Hu959 GitHub starsUpdated 2 months ago

Directory evidence

Runtimes
Claude Code
Parsed components
1 skill or MCP entry
Source updated
Jul 22, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install claude-opus-4-5-migration for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install claude-opus-4-5-migration-2@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/LING71671/Open-ClaudeCode

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/claude-opus-4-5-migration/.

Plugin files

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

Included 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.

Plugin 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": "[email protected]"
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[claude-opus-4-5-migration on Agent Plugins Marketplace](https://pluginsmp.com/plugins/claude-opus-4-5-migration-2)