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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 v2.1.248

Skill guidance scales with session proactivity

You'll notice
Useful3 Signal3
Skills

Less proactive sessions get less commit, PR and skill guidance added to context.

What

The commit and PR skill prompts, and the preamble injected when a skill is auto-invoked, now depend on the session's proactivity level. Less proactive sessions get less of this guidance added to the context.

Details
  • The auto-invoked skill preamble is skipped entirely below the threshold.
  • No flag; driven by the session's proactivity setting.
Evidence

"commit_skill"

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

See this entry in the whole of v2.1.248 →