A2RCrew Skills

Agent skills for Claude Code by the A2R team.

Install

Via Claude Code plugin system

/plugin marketplace add A2RCrew/skills
/plugin install a2r-skills@a2r-skills

Via npx skills CLI

npx skills add A2RCrew/skills

Install a specific skill:

npx skills add A2RCrew/skills --skill my-skill -a claude-code -y

Install globally (available in all projects):

npx skills add A2RCrew/skills -g

List available skills

npx skills add A2RCrew/skills --list

Create a new skill

1. Copy the template:

cp -r template/SKILL.md skills/my-new-skill/SKILL.md

2. Edit skills/my-new-skill/SKILL.md:

   • Set name to match the directory name (my-new-skill)
   • Write a clear description
   • Replace all placeholder sections

3. Register it in .claude-plugin/marketplace.json:

"skills": ["./skills/my-new-skill"]

4. Commit and push.

Skill structure

Each skill lives in its own directory under skills/:

skills/
└── my-skill/
    ├── SKILL.md          # Required — frontmatter + instructions
    ├── scripts/          # Optional — helper scripts
    ├── references/       # Optional — additional docs
    └── assets/           # Optional — templates, data files

SKILL.md format

---
name: my-skill
description: >
  What this skill does and when Claude should use it.
---

# My Skill

Instructions for Claude...

Required fields

Field	Description
name	Lowercase, hyphens, numbers. Max 64 chars. Must match directory name.
description	What the skill does and when to use it. Max 1024 chars.

Optional fields

Field	Description
argument-hint	Autocomplete hint (e.g., [filename])
user-invocable	Show in / menu (default: true)
disable-model-invocation	Prevent auto-loading (default: false)
allowed-tools	Space-separated list of pre-approved tools
model	Model override when skill is active
context	Set to fork to run in a subagent
agent	Subagent type when context: fork

Naming rules

• Lowercase letters, numbers, and hyphens only
• No spaces, underscores, or uppercase
• Must not start or end with a hyphen
• No consecutive hyphens (--)
• Directory name must match the name field

Resources

• Agent Skills specification
• Claude Code skills docs
• Plugin marketplaces
• skills.sh