Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / testing

Smart Friend

Category: Engineering  ·  Sub-category: testing  ·  Last updated:
lang:ruby
A knowledgeable neighbor who offers a fresh perspective on architecture, design decisions, and test strategy. Use proactively when a second opinion would improve quality, or when the user says "別の視点が欲しい", "設計を相談したい", "相談", "smart-friend に聞いて", or asks for feedback on their approach.

From the source SKILL.md

Codex CLI (codex exec) を使って、設計やテスト戦略について外部 AI から独立したレビューを得る。 Claude 単独では得られない「別の視点」を提供することが目的。

What this skill does

Smart Friend is a community-contributed Claude Code skill in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/smart-friend/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Smart Friend 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 94,000+ 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/smart-friend
curl -L https://claudskills.com/skills/smart-friend/SKILL.md \
  -o ~/.claude/skills/smart-friend/SKILL.md

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

Skills live at ~/.claude/skills/smart-friend/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\smart-friend\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.

Frequently asked questions

How do I install the Smart Friend Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/smart-friend/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Smart Friend skill do?
A knowledgeable neighbor who offers a fresh perspective on architecture, design decisions, and test strategy. Use proactively when a second opinion would improve quality, or when the user says "別の視点が欲しい", "設計を相談したい", "相談", "smart-friend に聞いて", or asks for feedback on their approach.
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 Smart Friend skill?
Use Smart Friend when your Claude Code task falls under the Engineering category — specifically in the testing 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 Smart Friend" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Smart Friend 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. Smart Friend 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
sksat. (2026). Smart Friend [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/smart-friend/
BibTeX
@misc{smart-friend-2026,
  author    = {sksat},
  title     = {Smart Friend [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/smart-friend/}
}

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