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Amy Expert

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
lang:kotlin
Patterns for extending `amy`, the Amethyst CLI in `cli/`. Use when adding an `amy <verb>` command, touching files under `cli/src/main/kotlin/…/cli/`, wiring a new subcommand into `Main.kt`, writing an interop test script that drives Amy, or extracting logic out of `amethyst/` into `commons/` so a CLI command can call it. Enforces the thin-assembly-layer rule (no Nostr protocol or business logic inside `cli/`), the dual-output contract (text by default, single-line JSON object on stdout under `--json`, exit codes 0/1/2/124), and the extract-from-Android recipe. Complements `nostr-expert` (protocol in Quartz), `kotlin-multiplatform` (expect/actual for extraction), and `feed-patterns` / `account-state` / `relay-client` (where the business logic should end up). NOT for general Nostr or Kotlin work — those have their own skills.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Practical patterns for touching the cli/ module without breaking its public contract.

What this skill does

Amy Expert is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/amy-expert/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when adding an `amy <verb>` command, touching files under `cli/src/main/kotlin/…/cli/`, wiring a new subcommand into `Main.kt`, writing an interop test script that drives Amy, or extracting logic out of `amethyst/` into `commons/` so a CLI command can call it.

Who uses this skill

The Amy Expert Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 190,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/amy-expert
curl -L https://claudskills.com/skills/amy-expert/SKILL.md \
  -o ~/.claude/skills/amy-expert/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/amy-expert/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/amy-expert/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\amy-expert\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Amy Expert Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/amy-expert/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Amy Expert skill do?
Patterns for extending `amy`, the Amethyst CLI in `cli/`. Use when adding an `amy <verb>` command, touching files under `cli/src/main/kotlin/…/cli/`, wiring a new subcommand into `Main.kt`, writing an interop test script that drives Amy, or extracting logic out of `amethyst/` into `commons/` so a CLI command can call it. Enforces the thin-assembly-layer rule (no Nostr protocol or business logic inside `cli/`), the dual-output contract (text by default, single-line JSON object on stdout under `--json`, exit codes 0/1/2/124), and the extract-from-Android recipe. Complements `nostr-expert` (protocol in Quartz), `kotlin-multiplatform` (expect/actual for extraction), and `feed-patterns` / `account-state` / `relay-client` (where the business logic should end up). NOT for general Nostr or Kotlin work — those have their own skills.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Amy Expert skill?
Use Amy Expert when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Amy Expert" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Amy Expert skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Amy Expert is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
dergigi. (2026). Amy Expert [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/amy-expert/
BibTeX
@misc{amy-expert-2026,
  author    = {dergigi},
  title     = {Amy Expert [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/amy-expert/}
}

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Security scan

Grade A · scanned 2026-08-24 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

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More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
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