openspec-sync

Installation
SKILL.md

OpenSpec Sync Skill

Use /opsx:sync to merge delta specs from a change into the main openspec/specs/ directory without archiving the change. The change remains active after sync. This is optional — openspec-archive handles syncing automatically when archiving.

When to Use

  • Long-running change where the user wants specs in main before archiving.
  • Multiple parallel changes need updated base specs.
  • The user wants to review/preview the merge separately before archiving.

Prerequisites

  • An active change with delta specs in specs/.

Workflow

  1. Run sync
    • /opsx:sync — sync the current/inferred change.
    • /opsx:sync add-dark-mode — sync a specific change by name.
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Apr 6, 2026