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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.257 ·

New skill-proposal tool prompt

A new tool prompt has Claude propose skills from recurring procedures in your session, up to three at a time.

TierNothing to try yethow much it should matter to you
Useful5my rating, 1 to 5
Signal4worth watching, 1 to 5
AreaSkillswhat it touches
KindIn Developmentin v2.1.257,
Nothing to try yet Notable

A new tool prompt has Claude propose skills from recurring procedures in your session, up to three at a time.

A new tool prompt instructs the model to surface recurring multi-step procedures from the session as skill proposals, a render-only card the user reviews and saves from, capped at 3 proposals per call. A saved proposal must replace the entire SKILL.md rather than apply a partial edit.

Read from
Names in the bundleSKILL.md
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Added since A small documentation edit on Skills in Claude Desktop touched a line naming SKILL.md after this was published. **Write the skill.** A skill is a folder named after the skill, holding a `SKILL.md` file. The file starts with YAML frontmatter carrying `name` and `description`, followed by the instructions as markdown. The folder name must match the `n… government/desktop/skills see the edit
Confirmed since Anthropic's documentation has since written up SKILL.md, on Claude Code changelog. * Fixed plugins silently skipping a default monitors file or root SKILL.md that could not be checked changelog see the edit
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up SKILL.md, on Claude Code changelog.

See this entry in the whole of v2.1.257 →

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