Join a foreign Practice estate and exchange safely with zero prior knowledge of it — the runnable join ceremony for cross-estate work. Fires whenever a session's worktree repo and coordination home are different repos, or the session is about to write into, register presence in, or claim work in any sibling Practice estate's substrate; read-only estate looks are unceremonied, and a solo write into a QUIET sibling estate takes the lighter governance-only path. Enacts the inter-Practice collabo...
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---
name: oak-inter-practice-collaboration
description: Join a foreign Practice estate and exchange safely with zero prior knowledge of it — the runnable join ceremony for cross-estate work. Fires whenever a session's worktree repo and coordination home are different repos, or the session is about to write into, register presence in, or claim work in any sibling Practice estate's substrate; read-only estate looks are unceremonied, and a solo write into a QUIET sibling estate takes the lighter governance-only path. Enacts the inter-Practice collaboration protocol PDR.
---
# Inter Practice Collaboration (Cross-tool)
Read and follow `.agent/skills/inter-practice-collaboration/SKILL-CANONICAL.md`.
