ClaudSkills / Science & Research / math-stats

Evaluation Methodology

Q: What is a Claude Code skill and how does the Evaluation Methodology 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. Evaluation Methodology is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Science & Research · Sub-category: math-stats · Last updated: 2026-05-21

PluginEval quality methodology — dimensions, rubrics, statistical methods, and scoring formulas. Use this skill when understanding how plugin quality is measured, when interpreting a low score on a specific dimension, when deciding how to improve a skill's triggering accuracy or orchestration fitness, when calibrating scoring thresholds for your marketplace, or when explaining quality badges to external partners like Neon.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

This document is the authoritative reference for how PluginEval measures plugin and skill quality. It covers the three evaluation layers, all ten scoring dimensions, the composite formula, badge thresholds, anti-pattern flags, Elo ranking, and actionable improvement tips.

What this skill does

Evaluation Methodology is a community-contributed Claude Code skill in the math-stats sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/evaluation-methodology/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Evaluation Methodology Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 161,000+ 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/evaluation-methodology
curl -L https://claudskills.com/skills/evaluation-methodology/SKILL.md \
  -o ~/.claude/skills/evaluation-methodology/SKILL.md

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

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

📱 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 Evaluation Methodology Claude Code skill?

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

What does the Evaluation Methodology skill do?

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 Evaluation Methodology skill?

Use Evaluation Methodology when your Claude Code task falls under the Science & Research category — specifically in the math stats 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 Evaluation Methodology" or describe the task and let Claude pick). Browse related skills at /category/science/.

What is a Claude Code skill and how does the Evaluation Methodology 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. Evaluation Methodology is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/lrdeoliveira/nexus-ai-memory/blob/HEAD/wiki/prompts/codigo/evaluation-methodology/SKILL.md
Author: lrdeoliveira

Cite this skill

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

APA

lrdeoliveira. (2026). Evaluation Methodology [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/evaluation-methodology/

BibTeX

@misc{evaluation-methodology-2026,
  author    = {lrdeoliveira},
  title     = {Evaluation Methodology [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/evaluation-methodology/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/evaluation-methodology.svg)](https://claudskills.com/skills/evaluation-methodology/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-26 — 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.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
⚠ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/evaluation-methodology/#security)

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Browse all Science & Research 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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