ai-evals

Design rubrics, test cases, and metrics for AI model evaluations.

1.2k|156|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/RefoundAI/lenny-skills --skill ai-evals-refoundai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ai-evals
Source: https://github.com/RefoundAI/lenny-skills/tree/main/skills/ai-evals
Command: npx skills add https://github.com/RefoundAI/lenny-skills --skill ai-evals-refoundai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

AI evaluations are often ad hoc, leading to inconsistent conclusions across features and teams. This Skill helps product teams design repeatable, measurable evaluations that align with user needs and business goals.

Core Features & Use Cases

  • Rubric design: Create scoring criteria and benchmarks that reflect real user outcomes.
  • Test-case generation: Produce representative prompts and scenarios to validate model behavior.
  • Measurement & iteration: Define metrics, collect results, and drive continuous improvement across releases.

Quick Start

Design a complete AI evaluation plan for a chatbot feature by outlining rubrics, test cases, and scoring criteria.

Frequently Asked Questions about ai-evals

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design repeatable AI evaluations for LLM-powered features?

To design repeatable AI evaluations, create structured rubrics that reflect real user outcomes, generate representative test cases, and define measurable metrics to assess LLM performance consistently across releases.

What is the best way to write rubrics for benchmarking LLM models?

Writing rubrics for benchmarking LLM models involves creating specific scoring criteria that align with your product's user needs and business goals, ensuring model behavior is measured against expected real-world outcomes.

How do I generate test cases for AI product management validation?

Generate test cases for AI product management by producing representative prompts and diverse scenarios that validate how the LLM-powered feature behaves under expected user interactions and edge cases.

Can I use this approach to measure and iterate on LLM performance across releases?

Yes, you can measure and iterate on LLM performance by defining specific metrics, collecting evaluation results from your test cases, and using those data points to drive continuous improvement across feature releases.

Why do ad hoc AI evaluations lead to inconsistent conclusions across teams?

Ad hoc AI evaluations lack structured scoring criteria and standardized test cases, causing inconsistent conclusions. A repeatable framework with defined rubrics and metrics ensures measurable alignment with user needs across teams.

What metrics should I collect when running AI evals for a chatbot feature?

When running AI evals for a chatbot, collect metrics derived from your predefined rubrics and test case results to quantify model performance, validate behavior, and identify areas for iteration.