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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.223 ·

Prototype skill: explicit build-now vs ask-first intake

Prototype requests now either get built straight away or get a few pointed questions first.

You'll notice Improvements
JSON All of v2.1.223
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SkillsArea: what it touches
ImprovementsKind: in v2.1.223,
ImprovementsSection of the release
What

The prototype skill now makes the model choose between building immediately and asking first, rather than guessing.

Details
  • Build with stated assumptions when the request names a thing and its core interaction.
  • Ask two to four pointed questions and wait when the request only names an outcome.
  • Extra polish passes and browser or test harnesses are forbidden.
  • If the Artifact tool is unavailable, the model must not hunt for alternative hosting.
Evidence

Build the smallest page that proves the idea

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

See this entry in the whole of v2.1.223 →

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