LangWatch

LangWatch is a specialized observability platform for LLM applications.

Configuration

To use LangWatch with Mastra, configure these environment variables:

LANGWATCH_API_KEY=your_api_key
LANGWATCH_PROJECT_ID=your_project_id

Implementation

Here’s how to configure Mastra to use LangWatch:

import { Mastra } from "@mastra/core";
import { LangWatchExporter } from "langwatch";
 
export const mastra = new Mastra({
  // ... other config
  telemetry: {
    serviceName: "your-service-name",
    enabled: true,
    export: {
      type: "custom",
      exporter: new LangWatchExporter({
        apiKey: process.env.LANGWATCH_API_KEY,
        projectId: process.env.LANGWATCH_PROJECT_ID,
      }),
    },
  },
});

Dashboard

Access your LangWatch dashboard at app.langwatch.ai

Langfuse New Relic