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Test Speed

Category: Engineering  ·  Sub-category: testing  ·  Last updated:
Keep the suite fast enough to run on every change by measuring the slow tests, shaping the pyramid, cutting IO from the fast tier, and sharding. Use when the suite is slow enough that developers skip it or batch changes to avoid the wait.
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From the source SKILL.md

A suite that takes twenty minutes stops being run. People push without it, batch unrelated changes to amortize the wait, and the fast feedback the suite exists to give quietly collapses. Speed is not vanity: it is what keeps testing inside the edit loop. Most slow suites are slow for a few measurable reasons, and the culprits are rarely the tests you would guess.

What this skill does

Test Speed 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/test-speed/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the suite is slow enough that developers skip it or batch changes to avoid the wait.

Who uses this skill

The Test Speed 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 158,000+ 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/test-speed
curl -L https://claudskills.com/skills/test-speed/SKILL.md \
  -o ~/.claude/skills/test-speed/SKILL.md

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

Skills live at ~/.claude/skills/test-speed/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\test-speed\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 Test Speed Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/test-speed/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Test Speed skill do?
Keep the suite fast enough to run on every change by measuring the slow tests, shaping the pyramid, cutting IO from the fast tier, and sharding. Use when the suite is slow enough that developers skip it or batch changes to avoid the wait.
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 Test Speed skill?
Use Test Speed 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 Test Speed" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Test Speed 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. Test Speed 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
Amey-Thakur. (2026). Test Speed [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/test-speed/
BibTeX
@misc{test-speed-2026,
  author    = {Amey-Thakur},
  title     = {Test Speed [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/test-speed/}
}

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Security scan

Grade A · scanned 2026-07-23 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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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
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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