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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.183

/migrate command and claude migrate CLI removed

The /migrate slash command and the claude migrate terminal subcommand have been removed entirely from this version.

Previously these allowed importing MCP servers, slash commands, subagents, skills, and instruction files from:

  • OpenAI Codex (~/.codex/config.toml, AGENTS.md, prompts/)
  • Google Gemini CLI (~/.gemini/settings.json, GEMINI.md, commands/)

The interactive checkbox picker UI, the --dry-run preview mode, the --yes headless mode, and the automatic fallback skill generator are all gone.

Users who previously relied on /migrate to bring over Codex or Gemini settings will need to perform that migration manually by consulting the relevant config files directly.

Evidence

CLI argument parser entry removed (search for "Which agent to import from (codex, gemini)"); /migrate slash command registration removed; dozens of supporting functions deleted including the Codex scanner, Gemini scanner, MCP import logic, subagent writer, and interactive picker component.

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.183 →