Libraries tagged by observability

PSR-3 logging with automatic categories, structured context, and category-aware level filtering for Switon Framework

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Request-scoped development inspection with collector payloads and multi-format views for Switon Framework

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Telemetry primitives for SugarCraft / CandyWish — counters, gauges, histograms with pluggable backends (in-memory, StatsD UDP, Prometheus textfile, JSON stream). Drop-in middleware for SSH session metrics.

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Lightweight error tracking and tracing SDK for Symfony applications. Capture exceptions, request traces, and performance data.

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Spectracost PHP SDK - AI cost observability for PHP apps

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PSR-22 Application Tracing: reference implementation with exporters, propagation, and in-memory tracers

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PSR-22 Application Tracing interfaces — intentionally minimalist tracing contracts for PHP

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SOCWarden security observability SDK for Laravel — detect brute force, impossible travel, credential spray, and more from one API call.

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Symfony bundle for deferred logging with distributed tracing support (W3C Trace Context, Jaeger, Zipkin compatible)

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Zero-config activity tracking for Laravel apps. Automatically tracks HTTP requests, auth events, model changes, and queue jobs. Powered by Nard Agent (https://nard.sadeim.com).

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RiviumTrace Laravel SDK for error tracking, logging, and performance monitoring

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ReplayStack PHP SDK — backend event capture, exception tracing, and replay debugging for Laravel, Symfony, Slim, and plain PHP.

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Privacy-preserving third-party API benchmarks—wrap Stripe/OpenAI clients or stack Guzzle monitor middleware so aggregate latency/errors surface faster than uptime pages.

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OpenTelemetry integration for Magento and Mage-OS.

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Production-ready structured logging for Laravel microservices with OpenTelemetry support

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