Blazing fast w3c Trace Contexts for any JS runtime
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Updated
Jul 1, 2026 - TypeScript
Blazing fast w3c Trace Contexts for any JS runtime
Micro-library exposing the W3C Trace-Context as a Swift struct
Dotnet 5 W3C Trace Context example
FastAPI playground
Huma playground
Echo playground
High-throughput trading infrastructure — event-sourced wallet, in-memory matching engine, saga-orchestrated clearing, distributed locking, idempotent gateway, full observability
Wire-discipline library for W3C traceparent propagation
Fastify middleware for request IDs, trace correlation, and structured access logs.
Contract enforcement for W3C traceparent propagation with multi-stack harness and Claude Code DX hooks
Huma middleware for request IDs, trace correlation, and structured access logs.
Drop-in observability configs for Kong, Envoy, NGINX and AWS API Gateway - one canonical JSON log schema, W3C trace-context propagation, an OpenTelemetry Collector pipeline with redaction and tail sampling, RED dashboards and burn-rate SLO alerts, plus a dependency-free Python validator.
Axum middleware for request IDs, trace correlation, and structured access logs.
🐱 Ultra-fast, lightweight, extensible logger for JavaScript - 82% smaller than Pino, zero dependencies, full TypeScript support
axum playground
W3C Trace Context bridge for the Model Context Protocol — propagate traces through MCP _meta (SEP-414) and emit OpenTelemetry spans so Host → MCP server → tool → downstream shows up as one trace.
Fastify playground
FastAPI middleware for request IDs, trace correlation, and structured access logs.
Echo middleware for request IDs, trace correlation, and structured access logs.
Drop-in middleware for Python and Node that guarantees every request carries a valid W3C trace context and correlation ID, injects it into structured logs and outbound calls, and bridges to OpenTelemetry. Zero runtime dependencies.
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