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Gentrace Node.js SDK Examples

This directory contains examples demonstrating key features of the Gentrace Node.js SDK.

Examples Overview

Basic Initialization & Configuration

  • custom-configuration.ts - Custom OpenTelemetry configuration with service name, sampler, and resource attributes
  • manual-otel.ts - Manual OpenTelemetry SDK setup for full control over tracing

AI SDK Integrations

  • openai-ai-sdk.ts - Simple OpenAI integration with Vercel AI SDK for text generation
  • anthropic-ai-sdk.ts - Anthropic Claude integration with Vercel AI SDK
  • streaming-ai-sdk.ts - Streaming responses from AI models with real-time output
  • mastra-ai-sdk.ts - Integration with Mastra framework and Vercel AI SDK

Evaluation

  • evaluation.ts - Basic evaluation example using evalOnce within experiments
  • evaluation-dataset.ts - Advanced evaluation against datasets fetched from Gentrace

Advanced OpenTelemetry

  • genai-semantic-conventions.ts - Comprehensive GenAI semantic conventions implementation including chat completions and function calling

Installation

Install dependencies:

# with yarn
yarn install

# with pnpm
pnpm install

# with npm
npm install

Running Examples

1. Set environment variables:

Create a .env file in the root of this repository with your API keys. Copy .env.example to .env and fill in the values:

cp .env.example .env

Alternatively, you can set the environment variables in your terminal.

2. Run an individual example:

# with yarn
yarn example examples/openai-ai-sdk.ts

# with pnpm
pnpm example examples/openai-ai-sdk.ts

# with npm
npm run example examples/openai-ai-sdk.ts

For more comprehensive documentation on Gentrace, see the docs.