Format ScorerRule-Based

ValidLinksScorer

Validates that URLs in the prediction are properly formatted and optionally accessible. Extracts URLs from text, validates their format, and can optionally check if they resolve to valid resources.

Overview

Validates that URLs in the prediction are properly formatted and optionally accessible. Extracts URLs from text, validates their format, and can optionally check if they resolve to valid resources.

formatrule-basedtrace-evaluationurlvalidation

Use Cases

  • Structured output validation

How It Works

This scorer uses deterministic rule-based evaluation to validate outputs against specific criteria. It applies predefined rules and patterns to assess the response, providing consistent and reproducible results without requiring LLM inference.

Input Schema

ParameterTypeRequiredDescription
predictionstrYesText containing URLs to validate
context.check_accessibilityboolNoWhether to check if URLs are accessible

Output Schema

FieldTypeDescription
scorefloatPercentage of valid links (0-10 scale)
passedboolTrue if all links valid
reasoningstrLink validation summary
metadatadictList of valid and invalid links

Score Interpretation

Default threshold: 10/10

10Perfect MatchOutput exactly matches expected format/value
0No MatchOutput does not match expected format/value

Frequently Asked Questions

When should I use this scorer?

Use ValidLinksScorer when you need to evaluate format and rule-based aspects of your AI outputs. It's particularly useful for structured output validation.

Why doesn't this scorer need expected output?

This scorer evaluates quality aspects that don't require comparison against a reference answer. It uses the system prompt and context as the implicit ground truth.

Can I customize the threshold?

Yes, the default threshold of 10 can be customized when configuring the scorer.

Quick Info

CategoryFormat
Evaluation TypeRule-Based
Requires Expected OutputNo
Default Threshold10/10

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