@judgy-ts/anthropic

Anthropic provider for Judgy TypeScript.

@judgy-ts/anthropic implements the LlmProvider contract from @judgy-ts/core using Anthropic's Messages API, so you can use Claude models as the semantic judge in Judgy evaluations.

Installation

npm install @judgy-ts/core @judgy-ts/anthropic

What This Package Contains

• AnthropicProvider
• AnthropicProviderOptions

Usage

import { SemanticEvaluator } from "@judgy-ts/core";
import { AnthropicProvider } from "@judgy-ts/anthropic";

const provider = new AnthropicProvider({
  apiKey: process.env.ANTHROPIC_API_KEY!,
  model: "claude-sonnet-4-20250514"
});

const evaluator = new SemanticEvaluator(provider);
const result = await evaluator.evaluate(
  "You can request a refund within 30 days of purchase.",
  "The answer should mention the refund deadline."
);

Related Packages

• @judgy-ts/core provides SemanticEvaluator, LlmRequest, and LlmProvider
• @judgy-ts/expect adds higher-level expect(...) matchers

Repository

• https://github.com/maurogioberti/judgy-ts