How do I install the Stranger Test Protocol Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/stranger-test-protocol/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

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.

ClaudSkills / Engineering / testing

Stranger Test Protocol

Category: Engineering · Sub-category: testing · Last updated: 2026-05-21

lang:ruby type:review

Validate that documentation, READMEs, and onboarding guides are comprehensible to someone with zero prior context. Systematic approach to testing docs from a stranger's perspective with actionable feedback. Triggers on documentation review, onboarding validation, or README quality assessment requests.

From the source SKILL.md

Evaluate documentation from the perspective of someone encountering the project for the first time.

What this skill does

Stranger Test Protocol 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/stranger-test-protocol/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Stranger Test Protocol 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 70,000+ 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/stranger-test-protocol
curl -L https://claudskills.com/skills/stranger-test-protocol/SKILL.md \
  -o ~/.claude/skills/stranger-test-protocol/SKILL.md

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

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

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

Attribution & license

License: MIT

Cite this skill

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

APA

ClaudSkills. (2026). Stranger Test Protocol [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/stranger-test-protocol/

BibTeX

@misc{stranger-test-protocol-2026,
  author    = {ClaudSkills},
  title     = {Stranger Test Protocol [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/stranger-test-protocol/}
}

Embed this skill

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Badge

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