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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.286 ·

Auto mode's safety checker assembles its rules differently

The checker behind auto mode now builds its deny rules from one set, records how its template was chosen, and reads tools differently

Under the hood Internal Changes
JSON All of v2.1.286
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Auto ModeArea: what it touches
Internal ChangesKind: in v2.1.286,
Internal ChangesSection of the release
What

Auto mode lets Claude act without asking you each time, with a checker (a classifier) that decides which actions are allowed. Several parts of how that checker is set up changed:

  • Its list of rules for blocking actions is now built from one template, and no longer also includes Anthropic's own template.
  • It now records which path it took to pick its template, including a stricter fallback and cases where the stricter option was unavailable.
  • It records when rows about project members were left out, and why.
  • The part that gathers context for it gained options for reading tools and marking which conversation thread something came from.
Why

These change how the auto mode checker's instructions are put together and what it logs.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear what switches these changes on or how much of them you would notice.

See this entry in the whole of v2.1.286 →

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