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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 v2.1.129

Persistent Autonomous Loop Instructions [In Development]

What

Claude Code includes new autonomous loop behavior that keeps timer-invoked work alive more persistently when there is still useful work to pursue.

Status

Feature-flagged

Details
  • The behavior is enabled by CLAUDE_CODE_LOOP_PERSISTENT or the tengu_kairos_loop_persistent feature flag.
  • The new instructions tell the loop to broaden once before stopping when work appears quiet.
  • This affects background/autonomous operation rather than normal interactive CLI usage.
Evidence

Persistent loop gate (search for "CLAUDE_CODE_LOOP_PERSISTENT" and "tengu_kairos_loop_persistent")

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

See this entry in the whole of v2.1.129 →