mcp-use/dist/src/telemetry/utils.js

A utility library for integrating Model Context Protocol (MCP) with LangChain, Zod, and related tools. Provides helpers for schema conversion, event streaming, and SDK usage.

import * as fs from 'node:fs';
import * as path from 'node:path';
export function getPackageVersion() {
    try {
        const packagePath = path.join(__dirname, '../../package.json');
        const packageJson = JSON.parse(fs.readFileSync(packagePath, 'utf-8'));
        return packageJson.version || 'unknown';
    }
    catch {
        return 'unknown';
    }
}
export function getModelProvider(llm) {
    // Use LangChain's standard _llm_type property for identification
    return llm._llm_type || llm.constructor.name.toLowerCase();
}
export function getModelName(llm) {
    // First try _identifying_params which may contain model info
    if ('_identifyingParams' in llm) {
        const identifyingParams = llm._identifyingParams;
        if (typeof identifyingParams === 'object' && identifyingParams !== null) {
            // Common keys that contain model names
            for (const key of ['model', 'modelName', 'model_name', 'modelId', 'model_id', 'deploymentName', 'deployment_name']) {
                if (key in identifyingParams) {
                    return String(identifyingParams[key]);
                }
            }
        }
    }
    // Fallback to direct model attributes
    return llm.model || llm.modelName || llm.constructor.name;
}
export function extractModelInfo(llm) {
    return [getModelProvider(llm), getModelName(llm)];
}