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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 v2.1.222 4 Aug 2026

Codex import rejects oversized skills and risky command bodies earlier

You'll notice

Useful2 Signal0

Elsewhere

Importing from Codex now rejects oversized skills and risky command bodies up front instead of creating broken entries.

What

The Codex importer now refuses more source files before conversion instead of producing entries Claude Code would not load.

Details

SKILL.md files above the size Claude Code will load are rejected, checked both raw and after utf-8 re-encoding.
A new dangling-shell-exec-marker check runs over command bodies.
The [features] block goes through a shared helper before being listed as unmappable.

Evidence

Claude Code skips skills over

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

See this entry in the whole of v2.1.222 →