# dsh-checkdigit

> Check-digit mathematics toolbox for DeepSeek Harness (dsh): generate, validate and detect Luhn / Verhoeff / Damm / ISBN / EAN / UPC / ISIN / CUSIP / IBAN check digits — zero runtime dependencies

## Metadata

- Author: [@TYEclipse](https://github.com/TYEclipse)
- Repo: <https://github.com/TYEclipse/dsh-checkdigit>
- GitHub: [TYEclipse/dsh-checkdigit](https://github.com/TYEclipse/dsh-checkdigit)
- Stars: 0
- Language: TypeScript
- License: [MIT](https://spdx.org/licenses/MIT.html)
- Topics: `check-digit`, `deepseek-harness`, `dsh-plugin`, `iban`, `luhn`
- Forks: 0
- Open Issues: 2
- Last push: 2026-08-19T21:57:16.000Z
- Added: 2026-08-19T00:00:00.000Z

## Install

```bash
dsh plugin --profile web add github:TYEclipse/dsh-checkdigit
```

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This document is auto-generated by [deepseek-plugin.org](https://deepseek-plugin.org). HTML page: [dsh-checkdigit](https://deepseek-plugin.org/plugins/TYEclipse/dsh-checkdigit)