LangSmith tracing plugin for opencode — traces sessions, LLM calls, tool calls, reasoning, and context compaction. Trace taxonomy compatible with the official langsmith-claude-code-plugins.
Client library to connect to the LangSmith Observability and Evaluation Platform.
OpenCode plugin for tracing to LangSmith
Typescript bindings for langchain
OpenTelemetry Tracing
Automatically trace OpenCode conversations to Braintrust. Captures user messages, assistant responses, and tool calls for observability.
Sentry Internal Tracing Package
Provides low-level interfaces and helper methods for tracing in Azure SDK
Sentry Performance Monitoring Package
Datadog APM tracing client for JavaScript
Langsmith observability provider for Mastra - includes tracing and future observability features
Langfuse instrumentation methods based on OpenTelemetry
Faro web tracing implementation.
Langfuse observability plugin for OpenCode - LLM tracing, prompt versioning, and cost tracking
OpenTelemetry Web Tracer
Raindrop observability plugin for OpenCode — automatic session/event/span tracing
CJS and ESM hooks for orchestrion
Core observability package for Mastra - includes tracing and scoring features
OpenTelemetry SDK for Node.js
OpenTelemetry Node SDK provides automatic telemetry (tracing, metrics, etc) for Node.js applications
Lambda client library that supports hybrid tracing in node js
OpenTelemetry instrumentation for `bunyan` logger
OpenTelemetry instrumentation for `pino` logger
Application Insights exporter for the OpenTelemetry JavaScript (Node.js) SDK