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ReferenceObservabilityProvidersBraintrust

Braintrust

Braintrust is an evaluation and monitoring platform for LLM applications.

Configuration

To use Braintrust with Mastra, configure these environment variables:

OTEL_EXPORTER_OTLP_ENDPOINT=https://api.braintrust.dev/otel OTEL_EXPORTER_OTLP_HEADERS="Authorization=Bearer <Your API Key>, x-bt-parent=project_id:<Your Project ID>"

Implementation

Here’s how to configure Mastra to use Braintrust:

import { Mastra } from "@mastra/core"; export const mastra = new Mastra({ // ... other config telemetry: { serviceName: "your-service-name", enabled: true, export: { type: "otlp", }, }, });

Dashboard

Access your Braintrust dashboard at braintrust.dev