# Rubyhash

> MCP server for RubyHash (rubyhash.dev): diff two Ruby hashes from failing Minitest/RSpec output and convert Ruby hash literals to sorted JSON. Runs entirely locally, nothing is uploaded.

## Facts
- Page: https://tashan.sh/capability/pkg-rubyhash-mcp
- tashan id: pkg:rubyhash-mcp
- npm: https://www.npmjs.com/package/rubyhash-mcp
- Type: npm
- Category: devtools
- tashan score: 40.0 / 100
- Adoption: 17.0
- Upkeep: 50.0
- Freshness: 89.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 15/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add rubyhash -- npx -y rubyhash-mcp
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: not attested

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-08-16 by tashan (https://tashan.sh) from public evidence. Scorer s5.