Libeval

Quality score: 70/100 · Category: Engineering · Sub-category: testing

ai:llm

libeval - RAG evaluation system. Evaluator orchestrates quality assessment using LLM-as-judge patterns. CriteriaEvaluator scores responses against rubrics. RecallEvaluator measures retrieval performance. TraceEvaluator analyzes execution traces. EvalStore persists results. Use for automated quality testing, RAG pipeline evaluation, and agent performance testing

What this skill does

Libeval is a production-ready Claude Code skill (quality score 70/100) in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/libeval/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Libeval skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/libeval
curl -L https://claudskills.com/skills/libeval/SKILL.md \
  -o ~/.claude/skills/libeval/SKILL.md

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

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

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

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