Datadog LLM Observability exporter for Mastra - exports tracing data to Datadog's LLM Observability product

TypeScript implementation of MLflow Tracing SDK for LLM observability

TypeScript implementation of MLflow Tracing SDK for LLM observability

Phoenix OpenTelemetry tracing SDK for Node.js — register tracing, manual span helpers, and context attributes for LLM observability

BrowserStack AI SDK for Node.js — LLM observability, evaluation, and tracing

EvalKit TypeScript SDK — OpenTelemetry-based LLM observability and tracing

Automatic LLM observability. Wrap your client, everything is traced.

SelfShip LLM observability SDK — thin wrapper over Langfuse

Zero-dependency TypeScript SDK for Kalibr LLM observability

Respan CLI - manage your LLM observability from the command line

Structured observability for LLM requests — OpenTelemetry metrics + Pino logging.

TypeScript SDK for Prism LLM observability

PostHog analytics wrapper for Replicate SDK - track AI model usage with LLM observability

Fluiq SDK for TypeScript/JavaScript — LLM observability, security, eval, and caching

SDK for LLM observability - track costs, latency, and usage across OpenAI, Anthropic, Gemini, and more

Zero-infrastructure LLM observability. Wrap your LLM clients, log to your own database.

Real-time LLM observability dashboard for OpenAI models.

TypeScript implementation of MLflow Tracing SDK for LLM observability

n8n community node: Datadog LLM Observability + OpenRouter LLM provider

Spanlens onboarding wizard — one-command setup for LLM observability.