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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 v2.0.55

Enterprise Marketplace Policy Controls

What: Organizations can now restrict which external marketplaces users can install via the strictKnownMarketplaces policy setting.

How it works:

  • Administrators set allowed marketplace sources in enterprise policy settings
  • When users attempt to install a marketplace, the source is validated against the allowlist
  • Blocked sources show clear error messages indicating the policy restriction

Details:

  • Supports multiple source types: GitHub repos, URLs, git repos, npm packages, file paths, and directories
  • Clear error messaging: "Marketplace source 'X' is blocked by enterprise policy. Allowed sources: ..."
  • Evidence: pEA() at line ~164954, apA() at line ~164985, So() at line ~165393 in v2.0.55

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 v2.0.55 →