OpenTelemetry Collector Logs Exporter allows user to send collected logs to the OpenTelemetry Collector

OpenTelemetry instrumentation for `router` http middleware router

OpenTelemetry instrumentation for `restify` http web application framework

Much better tracing of unhandled promise rejections in JavaScript

Fast streaming parser for Node.js trace events

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector

OpenTelemetry instrumentation for `node:http` and `node:https` http client and server modules

Langfuse instrumentation methods based on OpenTelemetry

OpenTelemetry compliant instrumentation for Prisma Client

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

An OTLP exporter to send logs using protobuf over HTTP

Rollup/Vite plugin to track import chains for better error debugging

Lambda client library that supports hybrid tracing in node js

Langfuse observability extension for the pi coding agent — traces prompts, agent turns, model generations, and tool calls to Langfuse.

OpenTelemetry SDK for Node.js

A dependency tracing tool.

Structured logging via heimdalljs

Composite samplers for OpenTelemetry tracing

AS2 (RFC 4130) client for Temper workflows: receive, send (pack -> deliver -> confirm), MDN handling. All S/MIME crypto executes on the platform engine - the SDK implements no cryptography itself.

process information for node.js and browsers