Skills Vault

skvlt is a Bun-powered CLI for backing up and restoring agent skills from the upstream skills ecosystem.

It is published on npm for distribution, but it is intentionally a Bun-only runtime today. Users install it from npm and run it with Bun available on their machine.

Important

skvlt currently requires Bun >=1.3.11. The npm package installs cleanly, but the CLI itself is executed through Bun.

What It Does

  • Back up installed skills into a portable skvlt.yaml manifest
  • Restore skills from a saved manifest
  • Inspect the local runtime and skill state with doctor
  • Print shell completion scripts for bash, zsh, and powershell

Install

Install Bun first:

bun --version

Then install the CLI from npm:

npm install -g @xixu-me/skills-vault

Verify the install:

skvlt --version
skvlt --help

You can also run the package without a global install:

npx @xixu-me/skills-vault --help

Quick Start

Back up global skills into ./skvlt.yaml:

skvlt backup

Preview a backup without writing files:

skvlt backup --dry-run

Restore missing skills from a manifest:

skvlt restore

Preview the restore commands first:

skvlt restore --dry-run

Inspect your environment:

skvlt doctor

Generate shell completions:

skvlt completion bash
skvlt completion zsh
skvlt completion powershell

Commands

skvlt backup

Creates a manifest snapshot of installed skills.

Common options:

  • --output <path>: write the manifest to a custom path
  • --lock-file <path>: read source metadata from a specific lock file
  • --project-scope: back up project-scoped installs instead of global installs
  • --dry-run: print the manifest to stdout instead of writing a file

By default, the manifest is written to ./skvlt.yaml.

skvlt restore

Restores skills from a manifest and uses the upstream skills CLI through bunx.

Common options:

  • --manifest <path>: read a custom manifest path
  • --only-source <source>: restore just one source, repeatable
  • --agent <agent>: target one agent, repeatable
  • --project-scope: restore to project scope instead of global scope
  • --copy: copy files instead of symlinking
  • --all: install all skills for selected sources
  • --reinstall-all: reinstall everything even if already present
  • --continue-on-error: keep restoring after one source fails
  • --concurrency <count>: control parallel source installs
  • --dry-run: print the derived bunx commands instead of running them

skvlt doctor

Reports the local Bun runtime, upstream skills CLI availability, manifest presence, and global skill state consistency.

skvlt completion

Prints completion scripts for:

  • bash
  • zsh
  • powershell

Runtime Notes

  • Global manifests default to ./skvlt.yaml
  • Global restore verification checks ~/.agents/skills
  • Global lock-file checks use ~/.agents/.skill-lock.json
  • restore and doctor rely on the upstream skills CLI being reachable via bunx

Publishing

This project is distributed through npm and exposed as the CLI command skvlt.

Recommended release flow:

bun run check
npm pack --dry-run --json
npm publish --access public

For a safer pre-publish smoke test, install the generated tarball into a temporary prefix and run:

skvlt --help
skvlt --version
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Description
CLI for backing up and restoring Agent Skills
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