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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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Dynamic Workflow Size Setting in /config

What

A new "Dynamic workflow size" option is available in the /config menu, letting users set a persistent default scale for workflow agent counts (unrestricted / small / medium / large).

Usage
/config → Dynamic workflow size → [unrestricted | small | medium | large]
Details
  • The guideline is injected into each workflow turn so the model follows it without requiring repeated prompting
  • Changes mid-session emit a context message: "The user changed their workflow size guideline in /config: [size]."
  • Removing the setting emits: "The user removed their workflow size guideline in /config — workflow size is unrestricted again."
  • Two new tips are registered to teach users about the feature:
  • workflow-size-prompting — shown in explicit workflow contexts, suggests "use a small workflow, 5 agents max" and mentions /config
  • workflow-size-prompting-ambient — shown in other contexts, suggests "use at most 5 agents"
  • Prompting inline still works and overrides the setting: "use a small workflow, 5 agents max"
Evidence

Config menu entry (search for "Dynamic workflow size" and "workflowSizeGuideline")

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.202 →