@arizeai/phoenix-mcp

/** * Phoenix Tracing Instrumentation Setup * * This file configures OpenTelemetry to send traces to Phoenix. * Import this file at the top of your application to enable tracing. */ import { register } from "@arizeai/phoenix-otel"; // Set OpenTelemetry attribute value length limit BEFORE any imports // This must be set before OpenTelemetry initializes to prevent truncation if (!process.env.OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT) { process.env.OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT = "25000"; } // Register with Phoenix - this handles all the OpenTelemetry boilerplate export const provider = register({ projectName: process.env.PHOENIX_PROJECT_NAME || "langchain-ts-quickstart", // Optional: set batch to false for immediate span delivery during development batch: false, }); console.log("✅ Phoenix tracing enabled"); console.log(` Project: ${process.env.PHOENIX_PROJECT_NAME || "langchain-ts-quickstart"}`); console.log("");