Mastra Tracing

npm install @mastra/arize @mastra/observability

import { Mastra } from "@mastra/core";
import { Observability } from "@mastra/observability";
import { ArizeExporter } from "@mastra/arize";

export const mastra = new Mastra({
  // ... other config (agents, workflows, etc.)
  observability: new Observability({
    configs: {
      arize: {
        serviceName: "mastra-service",
        exporters: [new ArizeExporter()],
      },
    },
  }),
});

import { Mastra } from "@mastra/core";
import { Observability } from "@mastra/observability";
import { ArizeExporter } from "@mastra/arize";

export const mastra = new Mastra({
  // ... other config (agents, workflows, etc.)
  observability: new Observability({
    configs: {
      arize: {
        serviceName: process.env.PHOENIX_PROJECT_NAME || "mastra-service",
        exporters: [
          new ArizeExporter({
            endpoint: process.env.PHOENIX_COLLECTOR_ENDPOINT!,
            apiKey: process.env.PHOENIX_API_KEY,
            projectName: process.env.PHOENIX_PROJECT_NAME,
          }),
        ],
      },
    },
  }),
});

import { openai } from "@ai-sdk/openai";
import { Agent } from "@mastra/core/agent";
import { Mastra } from "@mastra/core";
import { Observability } from "@mastra/observability";
import { ArizeExporter } from "@mastra/arize";
import { z } from "zod";

// Create a simple weather tool
const weatherTool = {
  name: "weatherTool",
  description: "Get current weather for a location",
  parameters: z.object({
    location: z.string().describe("The city and country"),
  }),
  execute: async ({ location }) => {
    // Simulate weather API call
    return {
      location,
      temperature: "22°C",
      condition: "Sunny",
      humidity: "60%",
    };
  },
};

// Create an agent
const weatherAgent = new Agent({
  name: "Weather Assistant",
  instructions: "You help users get weather information. Use the weather tool to get current conditions.",
  model: openai("gpt-4o-mini"),
  tools: { weatherTool },
});

// Register the agent with Mastra instance
const mastra = new Mastra({
  agents: { weatherAgent },
  observability: new Observability({
    configs: {
      arize: {
        serviceName: process.env.PHOENIX_PROJECT_NAME || "mastra-service",
        exporters: [
          new ArizeExporter({
            endpoint: process.env.PHOENIX_COLLECTOR_ENDPOINT!,
            apiKey: process.env.PHOENIX_API_KEY,
            projectName: process.env.PHOENIX_PROJECT_NAME,
          }),
        ],
      },
    },
  }),
});

# Start the Mastra dev server
mastra dev

## or, build and run the production server with instrumentation enabled
# npm run build
# node --import=./.mastra/output/instrumentation.mjs .mastra/output/index.mjs