# Cowork Harness

> Skill that drives the cowork-harness CLI to test Claude Code skills under Claude Cowork's runtime (fidelity tiers, scripted answers, egress + artifact + sub-agent assertions). Unofficial — an independent project, not affiliated with or endorsed by Anthropic.

## Facts
- Page: https://tashan.sh/capability/plugin-yaniv-golan-cowork-harness-cowork-harness
- tashan id: plugin:yaniv-golan/cowork-harness/cowork-harness
- Source: https://github.com/yaniv-golan/cowork-harness
- Type: plugin
- Category: other
- tashan score: 42.0 / 100
- Adoption: 11.0
- Upkeep: not measured
- Freshness: 94.0
- Evidence coverage: 59% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- GitHub stars: 1
- License: MIT
- Official: no

## Install

```sh
/plugin marketplace add yaniv-golan/cowork-harness
/plugin install cowork-harness@cowork-harness
```

## 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.

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Measured 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.