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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 v2.1.248 ·

Autonomous /loop tick prompts now work for everyone

The /loop tick prompt is no longer behind a remote flag and works for everyone.

Use it now Notable Improvements
JSON All of v2.1.248
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Loop ModeArea: what it touches
ImprovementsKind: in v2.1.248,
What probably matters to youSection of the release
What

The code that turns a loop marker back into a "tick" instruction for the model was previously off unless remote config switched on tengu_kairos_loop_prompt. That flag is gone from this build and the tick prompt is now built for anyone using /loop.

Details
  • Both the marker handler and the loop.md resolver used to return nothing when the flag was off; they now only check that the incoming prompt is one of the loop markers.
  • The separate persistent-loop switch is unchanged: still off by default under tengu_kairos_loop_persistent, with CLAUDE_CODE_LOOP_PERSISTENT forcing it on.
Evidence

Run the autonomous check using the loop instructions established earlier in this conversation. If you cannot find them, treat this as a no-op tick.

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

Read from
Names in the bundle/loop
Feature flag
tengu_kairos_loop_prompt On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.248: not a boolean we can read

tengu_kairos_loop_persistent Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.248: off

Read once, for one account on one subscription tier, against v2.1.248. It isn't a statement about your account. What a flag value here can and cannot tell you

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 Common workflows touched a line naming /loop after this was published. | [`/loop`](/docs/en/scheduled-tasks) | The current CLI session | Quick polling while a session is open. `--resume` and `--continue` restore unexpired fixed-interval loops. | common-workflows see the edit
Confirmed since Anthropic's documentation has since written up /loop, on Schedule recurring tasks in Claude Code Desktop. | | [Cloud](/docs/en/routines) | [Desktop](/docs/en/desktop-scheduled-tasks) | [`/loop`](/docs/en/scheduled-tasks) | desktop-scheduled-tasks see the edit
What has happened since
Flag reading moved The flag server now returns on for tengu_kairos_loop_prompt, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns nothing at all, having stopped carrying it for tengu_kairos_loop_prompt, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up /loop, on Schedule recurring tasks in Claude Code Desktop.
Anthropic's release notes agreeChanged /loop: self-paced dynamic mode and the no-prompt autonomous default are now always available, including on Bedrock/Vertex/Foundry

See this entry in the whole of v2.1.248 →

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