[](https://www.npmjs.com/package/@smithy/service-error-classification) [](h

HTTP transport utilities for Taquito RPC clients with retry, timeout, and error classification.

Error utilities for YDB: error classification, rich messages, and TypeScript support for robust error handling in YDB applications.

Postgres storage engine for the Makaio framework: driver glue, error classification, and migration behavior registered through the storage engine seam.

Feature-management and error-boundary runtime: a feature tree drives per-action error classification, telemetry, and notifications, with React providers and hooks.

Unified Auth0 wrapper for MindFortress frontends — same scope rules, error classification, recovery state, and telemetry across Vite SPAs (Freya) and Next.js apps (Reeve, AgentPik). Companion to reeve_auth (Python backend).

Gemini provider adapter for any-llm — Flex tier, thinking capture, structured output, error classification.

Generic HTTP client with exponential-backoff retry, token-bucket rate limiting, and pluggable error classification. Extracted from @kuralle-agents/messaging-meta/graph-api for reuse across Meta, Telegram, Twilio, Stripe and similar REST integrations.

Shared Valkey Search (FT.*) helpers: vector byte encoding, FT.SEARCH reply parsing, version-skew FT.INFO parsing, and error classification

[](https://www.npmjs.com/package/@aws-sdk/service-error-classification) [

[](https://www.npmjs.com/package/@aws-sdk/service-error-classification) [

Agent harness: the tool-calling turn kernel, deterministic LLM provider routing with transport-error classification, the streaming-completion watchdog, run mechanics, sub-agent lineage and admission, transcript healing, tool-schema sanitization, the plugi

Resilient HTTP client with CycleTLS, proxy rotation, smart error classification, and per-site interceptors

React Query integration for universal-api-errors: parse query/mutation errors into a UniversalError, and drive React Query's retry option from real error classification instead of a fixed count.

Protocol-agnostic circuit breaker for Node.js with sliding-window failure tracking, exponential backoff, configurable error classification, and EventEmitter-based state notifications.

Circuit Breaker pattern for Node.js — fail-fast with business vs infrastructure error classification, optional NestJS integration

Enterprise-grade retry library for Node.js -- exponential backoff, sliding window budget, error classification, duck-typed integrations, and optional NestJS support

AI-driven error tracking and reliability SDK for Node.js — automatically captures uncaught exceptions, unhandled rejections, and Express errors with deduplication, error classification, severity scoring, and structured telemetry.

Structured network error classification — converts ECONNREFUSED/ETIMEDOUT/TLS errors into typed objects with cause analysis, retryability guidance, and escalation signals

Parses Godot stdout/stderr into structured logs with error classification