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Nested Sub-Agents in OrchestKit: Adopting CC 2.1.172–2.1.173

The Trove library · programming

Nested Sub-Agents in OrchestKit: Adopting CC 2.1.172–2.1.173

By Yonatan Gross

How OrchestKit 8.33.0 adopted Claude Code nested sub-agents (5-level chains) and /release-notes across PRs #2368 and #2370 — Pattern 9, depth registry, delegation docs, and CI guards.

  • 7 pages
  • 7 chapters
  • Updated July 28, 2026

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A look inside · First page

Nested Sub-Agents in OrchestKit: Adopting CC 2.1.172–2.1.173

How OrchestKit adopted Claude Code's nested sub-agent capability (CC 2.1.172) and the /release-notes command (CC 2.1.173), shipped in OrchestKit 8.33.0 on 2026-06-11 across two PRs. This book documents what changed, why each design call was made, how it was verified, and the reusable patterns that fell out.

Sections:

  1. Context & Timeline
  2. PR #2368 — Making Nesting Observable
  3. PR #2370 — Making Nesting Usable
  4. Design Decisions & Trade-offs
  5. Verification
  6. Reusable Patterns

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What’s inside

01Nested Sub-Agents in OrchestKit: Adopting CC 2.1.172–2.1.173p. 1
021. Context & Timelinep. 2

065. Verificationp. 6

About this book

How OrchestKit 8.33.0 adopted Claude Code nested sub-agents (5-level chains) and /release-notes across PRs #2368 and #2370 — Pattern 9, depth registry, delegation docs, and CI guards.