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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 v2.1.227 ·

Prompt section discouraging over-delegation to subagents

Claude can be told to stop over-spawning subagents for small tasks, but that guidance is absent by default.

Nothing to try yet Notable No documentation found In Development
JSON All of v2.1.227
Nothing to try yetTier: how much it should matter to you
3Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
SubagentsArea: what it touches
In DevelopmentKind: in v2.1.227,
What probably matters to youSection of the release

An anti-over-delegation prompt section only appears when CLAUDE_CODE_THISTLE_GREBE or its flag selects counter_steer.

What

A "## Delegating to subagents" section tells Claude to handle small bounded sub-tasks inline, not to fan several subagents out on one small task, not to spawn one to double-check work it can verify itself, and to keep spawn counts low. It is only injected when the subagent steer resolves to "counter_steer". The steer is read from CLAUDE_CODE_THISTLE_GREBE, client data, the tengu_thistle_grebe flag, or a per-model floor, and defaults to "default", so the section is absent unless configured.

Details
Evidence

Subagents multiply cost and time: each one re-establishes context, re-explores, and reports back

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

Read from
Names in the bundleCLAUDE_CODE_THISTLE_GREBE
Feature flag
tengu_thistle_grebe 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 v2.1.227: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.227. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns "default" for tengu_thistle_grebe, 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_thistle_grebe, 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 →

See this entry in the whole of v2.1.227 →

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