Claude Skills — Mechanical Design Engineer

A collection of custom skills for Claude.ai that transform the assistant into an expert mechanical design engineer with 20+ years of experience.

Repository structure

skills-claude/
├── README.md
├── compress-skills.sh          # Script to generate .zip packages
└── <skill-name>/
    ├── SKILL.md                # Main instructions (YAML frontmatter + markdown)
    ├── reference/              # Technical reference documentation
    │   └── *.md
    └── scripts/                # Executable helper scripts
        └── *.py / *.sh

Prerequisites

unzip — required by decompress-skills.sh to extract .skill archives

sudo apt install unzip   # Debian/Ubuntu/WSL
brew install unzip       # macOS

Python 3 + PyYAML — required by skill scripts
```
pip install -r requirements.txt
```

How to install skills on Claude.ai

1. Generate .zip files

chmod +x compress-skills.sh
./compress-skills.sh

The .zip files are created in the dist/ folder.

2. Upload to Claude.ai

Go to claude.ai → Settings
Section Features → Skills
Click Upload skill and upload each .zip file from dist/
Repeat for every skill

3. Use the skills

Invoke skills with a slash command in chat:

/<skill-name> [problem description]

Skill format (Anthropic spec)

The SKILL.md file contains:

YAML frontmatter with name, description, user-invocable
Markdown instructions that define Claude's behaviour

---
name: skill-name
description: What this skill does and when to invoke it
user-invocable: true
argument-hint: [optional argument]
---

# Skill Title

[Detailed instructions in markdown]

References

ANTHROPIC-SKILLS-DOCS.md — full reference extracted from official docs (structure, frontmatter, best practices, API)
Anthropic Skills Documentation
Agent Skills API
Skill Authoring Best Practices

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