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@mastra/core

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The core foundation of the Mastra framework, providing essential components and interfaces for building AI-powered applications.

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import { Agent } from './chunk-H2UWWO4L.js'; import { CohereClient } from 'cohere-ai'; var CohereRelevanceScorer = class { client; model; constructor(model, apiKey) { this.client = new CohereClient({ token: apiKey || process.env.COHERE_API_KEY || "" }); this.model = model; } async getRelevanceScore(query, text) { const response = await this.client.rerank({ query, documents: [text], model: this.model, topN: 1 }); return response.results[0].relevanceScore; } }; // src/relevance/relevance-score-provider.ts function createSimilarityPrompt(query, text) { return `Rate the semantic similarity between the following the query and the text on a scale from 0 to 1 (decimals allowed), where 1 means exactly the same meaning and 0 means completely different: Query: ${query} Text: ${text} Relevance score (0-1):`; } // src/relevance/mastra-agent/index.ts var MastraAgentRelevanceScorer = class { agent; constructor(name, model) { this.agent = new Agent({ name: `Relevance Scorer ${name}`, instructions: `You are a specialized agent for evaluating the relevance of text to queries. Your task is to rate how well a text passage answers a given query. Output only a number between 0 and 1, where: 1.0 = Perfectly relevant, directly answers the query 0.0 = Completely irrelevant Consider: - Direct relevance to the question - Completeness of information - Quality and specificity Always return just the number, no explanation.`, model }); } async getRelevanceScore(query, text) { const prompt = createSimilarityPrompt(query, text); const response = await this.agent.generate(prompt); return parseFloat(response.text); } }; export { CohereRelevanceScorer, MastraAgentRelevanceScorer, createSimilarityPrompt };