Transforms JavaScript code to ensure that loops do not run indefinitely
Loop breaker plugin for ZoneMTA
Library to help write libraries that accept both promises and callbacks.
A resilience and transient-fault-handling library that allows developers to express policies such as Backoff, Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. Inspired by .NET Polly.
A shim for the setImmediate efficient script yielding API
Pi extension that aborts repeated failing tool loops
[](https://badge.fury.io/js/graphemesplit)
A low overhead circuit breaker for your routes
css-line-break ==============
An implementation of the Unicode grapheme cluster breaking algorithm (UAX #29)
Detect repeated agent steps and stop runaway loops.
High-priority task queue for Node.js and browsers
An implementation of the Unicode Line Breaking Algorithm (UAX #14)
Prometheus metrics for opossum circuit breaker
JavaScript Performance Monitor
Auto-reconnect and round robin support for amqplib.
A fail-fast circuit breaker for promises and callbacks
High-priority task queue for Node.js and browsers
Exposes stats about the libuv default loop
AI Call Firewall — real-time monitoring, budget control, automatic circuit breaker for LLM agents (Claude Code, Aider, OpenClaw, Cursor)
Run a list of functions in order in a given object context. The functions can be callback-taking or promise-returning.
An implementation of the Unicode Line Breaking Algorithm (UAX #14)
fast, tiny `queueMicrotask` shim for modern engines
C function to get the current libuv event loop for N-API
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