# Upgrade

> Bring an installed second-brain plugin up to date with the current release. Use after pulling a new plugin version. Safe to run anytime — idempotent, no-op when already at the current version.

## Facts
- Page: https://tashan.sh/capability/skill-cain-ish-upgrade
- tashan id: skill:Cain-Ish/upgrade
- Source: https://github.com/Cain-Ish/claude-code-plugin
- Type: skill
- Category: ai
- tashan score: 54.0 / 100
- Adoption: 17.0
- Upkeep: 100.0
- Freshness: 100.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: MIT
- Official: no

## Install

```sh
cp -r upgrade ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

---
Measured 2026-08-23 by tashan (https://tashan.sh) from public evidence. Scorer s5.