MCP server for observability tooling - query traces, metrics, logs from local JSONL or SigNoz
Enterprise-grade, framework-agnostic frontend observability toolkit for Datadog. Auto-instruments RUM, Logs, Error Tracking, Performance Monitoring, and provisions Dashboards, Monitors & SLOs.
Production-ready observability toolkit combining OpenTelemetry instrumentation with structured Pino logging for Node.js applications
Development and observability toolkit for LLM apps
Digital Lens Browser - An observability toolkit for Three.js scenes
Live development dashboard and observability toolkit -- real-time request tracing, tRPC call logging, Socket.IO event monitoring, Zustand state inspection, and TanStack Query tracking. All streamed to a browser-based dashboard.
Gasoline MCP is an AI Debugger, Inspector, and Observability toolkit. It acts as Chrome DevTools for AI Agents using the Model Context Protocol (MCP).
Microservices Observability toolkit with OpenTelemetry, Prometheus, and distributed tracing
TS-native AI Agent observability toolkit — zero-config local OTEL receiver and UI for AI agents
A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
The official, opinionated, batteries-included toolset for efficient Redux development
Cross-runtime observability toolkit for agent systems
Core observability package for Mastra - includes tracing and scoring features
Drop-in observability toolkit for NestJS with correlation IDs, structured logging, Prometheus metrics, and distributed tracing.
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Selectors for Redux.
Resource util used by other @google-cloud/opentelemetry* packages
Thunk middleware for Redux.
Predictable state container for JavaScript apps
OpenTelemetry tracing and monitoring SDK for AI agents built with TypeScript/Node.js
Gasoline Agentic Browser is an AI Debugger, Inspector, and Observability toolkit. It acts as Chrome DevTools for AI Agents using the Model Context Protocol (MCP).
Development and observability toolkit for LLM apps
Toolkit of handy utility functions for dealing with Portable Text
Browser observability for your web app. Capture frontend metrics, errors, logs, and traces.
Observability is a toolkit for instrumenting code to make it more observable. It follows the principle of Observability-Oriented Design as expressed by Charity Majors (@mipsytipsy).
Glimmer is a Ruby DSL Framework for Ruby GUI and More, consisting of a DSL Engine and a Data-Binding Library (including Observer Design Pattern, Observable Model, Observable Array, and Observable Hash). Used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Web (Ruby in the Browser Web Frontend Framework and Winner of Fukuoka Prefecture Future IT Initiative 2025 Money Forward Award), Glimmer DSL for LibUI (Prerequisite-Free Ruby Desktop Development GUI Library and Winner of Fukuoka Ruby Award Competition 2022 Special Award), Glimmer DSL for Tk (Ruby Tk Desktop Development GUI Library), Glimmer DSL for GTK (Ruby-GNOME Desktop Development GUI Library), Glimmer DSL for FX (FOX Toolkit Ruby Desktop Development GUI Library), Glimmer DSL for WX (wxWidgets Ruby Desktop Development GUI Library), Glimmer DSL for Swing (JRuby Swing Desktop Development GUI Library), Glimmer DSL for JFX (JRuby JavaFX Desktop Development GUI Library), Glimmer DSL for XML (& HTML), and Glimmer DSL for CSS.
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