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Vendor Sync (Grade B)Security-tested data-ai skill for Claude AI. Grade B. Pull latest upstream changes from vendor subtrees into this project. Use when the user says 'sync vendor', 'pull upstream', 'update subtrees', 've

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

Vendor Sync is a security-tested data-ai skill for Claude AI that pulls the latest upstream changes from vendor subtrees into a project. It's used when the user requests to sync vendors, pull upstream changes, or update subtrees. The skill reads a vendor subtree registry from .claude/vendor-registry.json, which contains information about the vendor subtrees, including their prefix, remote alias, branch, and package name. The skill can also handle local override files and allows for bootstrapping the registry via a workflow.

Key features

  • Pulls latest upstream changes
  • Cross-references diff against open upstream issue tracking entries
  • Re-links workspace packages
  • Reads vendor subtree registry from .claude/vendor-registry.json
  • Handles local override files

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Syncing vendor subtrees

Use Vendor Sync when the user requests to sync vendors, pull upstream changes, or update subtrees.

Bootstrapping the registry

Run workflow 0 to create .claude/vendor-registry.json from scratch or when no registry exists.

Updating a vendor package

Use Vendor Sync when the user mentions a vendor package name followed by 'pull', 'sync', or 'update'.

Pros & Cons

Pros

  • Automates pulling of upstream changes
  • Handles multiple vendor subtrees
  • Supports local overrides for machine-specific paths

Cons

  • Requires .claude/vendor-registry.json to exist or be created
  • Limited to vendor subtrees that already exist on disk

Reviews

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Q&A

Can I override Vendor Sync settings?

Yes, you can override settings using .claude/vendor-registry.local.json, which is a git-ignored companion file that allows for machine-specific overrides.

Asked by Sven Bergqvist · Jan 7, 2026

What are the limitations of Vendor Sync?

Vendor Sync requires .claude/vendor-registry.json to exist or be created and is limited to vendor subtrees that already exist on disk.

Asked by Naomi Suzuki · Jan 2, 2026

How do I use Vendor Sync?

Use Vendor Sync when you say 'sync vendor', 'pull upstream', 'update subtrees', or want to update any vendor package from its upstream repository.

Asked by Amara Chukwu · Nov 7, 2025

What does Vendor Sync do?

Vendor Sync pulls the latest upstream changes from vendor subtrees into a project. It reads a vendor subtree registry from .claude/vendor-registry.json and handles local override files.

Asked by Rina Desai · Oct 31, 2025

Ask a question

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