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Prompt Eval

Category: General  ·  Sub-category: education-learning  ·  Last updated:
Run a prompt against a golden dataset and report per-rubric regression vs the prior pinned version, not just an aggregate score

About this skill (catalog notes)

Prompt Eval includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); pricing or quota commentary; at least one code block. The SKILL.md runs to about 933 words, in the catalog's typical mid-range.

License
Apache-2.0
Original author
bakw00ds
Indexed lastmod
Catalog position
General · education-learning
Indexed related skills
10

How Prompt Eval fits the catalog

Prompt Eval sits in the General category under the education-learning sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Prompt Eval is a community-contributed Claude Code skill in the education-learning sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/prompt-eval/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Prompt Eval Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 85,000+ 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/prompt-eval
curl -L https://claudskills.com/skills/prompt-eval/SKILL.md \
  -o ~/.claude/skills/prompt-eval/SKILL.md

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

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

Frequently asked questions

How do I install the Prompt Eval Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/prompt-eval/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Prompt Eval skill do?
Run a prompt against a golden dataset and report per-rubric regression vs the prior pinned version, not just an aggregate score
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 Prompt Eval skill?
Use Prompt Eval when your Claude Code task falls under the General category — specifically in the education learning 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 Prompt Eval" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Prompt Eval 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. Prompt Eval is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General 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
bakw00ds. (2026). Prompt Eval [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/prompt-eval/
BibTeX
@misc{prompt-eval-2026,
  author    = {bakw00ds},
  title     = {Prompt Eval [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/prompt-eval/}
}

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

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