anthropics/claude-code · Official

claude-opus-4-5-migration

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…

All-time #1811 Trending #4080 First seen Jan 20, 2026

8-week activity · all time api

Installation

$ npx skills add https://github.com/anthropics/claude-code

View on skills.sh ↗ GitHub repository ↗

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Also in this package

Other skills from anthropics/claude-code.

npx skills add https://github.com/anthropics/claude-code

frontend-design 137 skill development 61 agent development 44 mcp integration 37 command development 35 hook development 37 plugin structure 37 plugin settings 37 writing hookify rules 36

Browse all from anthropics/claude-code

More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Declared

Cursor Not declared

Codex Not declared

GitHub Copilot Not declared

Windsurf Not declared

Gemini CLI Not declared

Cline Not declared

OpenCode Not declared

Repository health

Stars 144.5K

License LICENSE.md

Default branch main

Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

Declared agents claude-code

History

Jan 20, 2026 First seen on skills.sh
Sep 9, 2026 First recorded snapshot · 10,700 installs

npx skills add https://github.com/anthropics/claude-code