OpenSpec Spec Synchronizer

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Synchronizes delta specification changes into main project specs using intelligent AI merging to maintain a single source of truth.

The openspec-sync-specs skill automates the complex process of updating main project specifications with incremental changes (deltas) defined during the development lifecycle. Instead of basic file overwrites, it performs intelligent merging to add new requirements, update specific scenarios, and rename or remove deprecated features while strictly preserving existing context. It is designed for teams using OpenSpec who need to ensure their core documentation evolves accurately alongside feature development without the risks of manual copy-pasting.

Key Features

01687 GitHub stars
02Idempotent execution ensuring consistent results across multiple runs
03Intelligent merging of requirements (Added, Modified, Removed, Renamed)
04Context-aware scenario updates that preserve existing unmentioned content
05Automatic generation of new main spec files for new capabilities
06Interactive change selection via openspec CLI integration

Use Cases

01Updating production specs after a feature design phase is complete
02Refactoring existing specifications by renaming or restructuring requirements through delta intent
03Merging incremental requirement changes from a feature branch into the main documentation