---
title: "opsydyn/extremely-hardcore"
description: "EHS is a standalone engineering method for coding agents, delivered as nine Markdown skills. It is for non-trivial software changes: explicit scope, domain and architecture judgement, meaningful tests, and evidence before completion."
canonical_url: "https://awesomeclaudeplugins.com/opsydyn/extremely-hardcore"
repository_url: "https://github.com/opsydyn/extremely-hardcore"
stars: 1
forks: 0
plugins_count: 1
publication_state: "indexable"
quality_note: "Canonical repository has a validated plugin count."
catalog_updated: "2026-10-18T00:34:25.053Z"
install_command: "/plugin marketplace add opsydyn/extremely-hardcore"
---

# opsydyn/extremely-hardcore

EHS is a standalone engineering method for coding agents, delivered as nine Markdown skills. It is for non-trivial software changes: explicit scope, domain and architecture judgement, meaningful tests, and evidence before completion.

## Repository

- [Catalog detail page](https://awesomeclaudeplugins.com/opsydyn/extremely-hardcore)
- [GitHub repository](https://github.com/opsydyn/extremely-hardcore)
- Stars: 1
- Forks: 0
- 1 plugin entries are reported.

## Catalog provenance

- Publication state: indexable
- Quality note: Canonical repository has a validated plugin count.
- Repository metadata source: catalog snapshot dated Oct 18, 2026, not live GitHub API data

## Installation

When this repository exposes a Claude Code marketplace, add it with:

```bash
/plugin marketplace add opsydyn/extremely-hardcore
```