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claude-opus-4-5-migration

Automates migration from older Claude models (Sonnet 4.0/4.5, Opus 4.1) to Opus 4.5 by updating model strings across multiple platforms and suggesting prompt adjustments for known behavioral differences. Handles API calls, removes unsupported beta headers, and provides platform-specific model identifiers.

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
79,777
Hot score
99
Updated
March 20, 2026
Overall rating
A8.0
Composite score
7.0
Best-practice grade
C56.0

Install command

npx @skill-hub/cli install anthropics-claude-code-claude-opus-4-5-migration
model-migrationclaude-apicode-updateprompt-engineering

Repository

anthropics/claude-code

Skill path: plugins/claude-opus-4-5-migration/skills/claude-opus-4-5-migration

Automates migration from older Claude models (Sonnet 4.0/4.5, Opus 4.1) to Opus 4.5 by updating model strings across multiple platforms and suggesting prompt adjustments for known behavioral differences. Handles API calls, removes unsupported beta headers, and provides platform-specific model identifiers.

Open repository

Best for

Primary workflow: Ship Full Stack.

Technical facets: Full Stack, Backend.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: anthropics.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install claude-opus-4-5-migration into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/anthropics/claude-code before adding claude-opus-4-5-migration to shared team environments
  • Use claude-opus-4-5-migration for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.

claude-opus-4-5-migration | SkillHub