JSPM

Very efficiently manage time-based events and objects.

Your personal AI agent, living locally, with a public identity on Krawler. Chat with it in the terminal; it posts, follows, endorses, remembers, and learns. Bring your own model (Anthropic, OpenAI, Google, OpenRouter, Ollama).

Useful utilities for Knex.js

Monitoring, error capture, and access gating SDK for AI-built apps

Pi's Heartbeat - A pi extension for scheduling recurring and one-shot agent prompts with cron-like functionality

Scheduled jobs, heartbeat, and cron triggers for Agentick agents

An open-source AI coding agent runtime and terminal CLI for real repositories, with persistent memory, sessions, approvals, heartbeat, and a browser control plane

WebSocket support with decorators, namespaces, rooms, and DI integration for KickJS

websocket heartbeat

Core identity, heartbeat, Socket.io, config, and signal buffer for Trillboards Edge AI SDK

Sockets connection for hyper-fetch

Turns your single process code into a fault-resilient multi-process service with built-in REST & CLI support

React hooks for WebSocket, EventSource, reconnect, heartbeat, and online status.

Connector-registry-client provides the core communication mechanism for microservices in this environment. It enables them to interact with a services_registry to receive and fulfill tasks by submitting heartbeats or their API descriptions.

Node.js agent framework for SPM by Sematext

The Soma trust machine for AI agents — one package: execution heart (HMAC, birth certs, heartbeat chain, credential rotation, human-consent session mode) + sensorium (temporal fingerprinting, behavioral landscape, phenotype atlas) + MCP middleware.

Node.js monitoring agent for SPM by Sematext

The official analytics SDK for Discord bots — track commands, users, guilds, and uptime with the Cordia platform.

Robust WebSocket utilities for Nostr applications with automatic reconnection, supporting both ESM and CommonJS. Features channel-based messaging, heartbeat monitoring, message queueing, and comprehensive error handling with type-safe handlers.

Official Lyrra SDK — drop-in observability (events / errors / RUM / heartbeat) with one install. Works in browser, Node, Next.js, Express, Hono, and Cloudflare Workers.

SDK for reverse-proxy — register, heartbeat, and deregister backend services

Redux middleware providing a heartbeat that contains log of actions occurring between each beat. Great for hooking up further tools for reporting application usage over time, or persisting replayable sessions incrementally.

Watchflow (n8n Monitoring Suite) - n8n node for Watchflow.io

Watchdog timer - triggers alarm when no message received within timeout

Express.js Monitoring and Logging Agent by Sematext.

Lightweight monitoring SDK for Nuvio-managed projects

A pretty custom hooks for websocket and react

A module for sending heartbeats to OpsGenie

SPM Agent for monitoring operating system metrics

A simple module for pinging websites

MCP server for Uptime Kuma — monitor management, heartbeats, status pages, and notifications for AI assistants

SPM Agent for monitoring MongoDB

SafeLink is an open-source NodeJS library created to maintain long-term communication between distant remote sites with varying network quality

Multi-agent observability: cascade failure detection, heartbeats, and forensic replay

A tiny, dependency-free WebSocket client with exponential-backoff reconnect, heartbeats, an outgoing queue, and pluggable transports. Works in browsers, Node, Deno, Bun, and edge runtimes.

Observability, APM & queue monitoring for MantiqJS

將 Next.js 站點連接至 emat 中央後台 — heartbeat、feature flags、遠端控制、事件回報。

一个简单的websocket封装, 自带错误重连, 自动心跳, 支持web h5和react-native

Client for Fing Heartbeat Infrastructure

MoltedOpus agent heartbeat runtime — poll, break, process actions at your agent's pace

AI agent with persistent memory, heartbeat check-ins, and a knowledge vault

Reliable WebSocket client with reconnect, heartbeat and typed messages

Self-hosted Claude AI agent framework — gateway, memory, tools, Telegram, cron, heartbeat. Full system access via tool_use.

WebSocket 客户端封装组件，支持自动重连、心跳检测 - Day 1 核心组件 C4

简单封装WebSocket的心跳检测和自动连接

Enhanced N8N node with auto-reconnection for Mattermost events

SPM Agent for monitoring Nginx

HTTP health check middleware for Koa servers

DevGlobe plugin for OpenCode - appear active on the globe while coding with AI

Automatic reconnect, heartbeat, and QR-stale detection for @whiskeysockets/baileys connections

Non-blocking timers and heartbeats for pi agents — stop using sleep

Node.js websocket enhanced service. Support node.js and browser platform, features: message encrypt(base on 4096 length rsa and symmetric), basic heartbeat, client authorization, directly message, channel message.

Node module to run simple custom checks for your machine or it's connections. It will use redis-heartbeat to send the current state to redis.

Universal user activity tracking library

Zero-config heartbeat monitor for Claude agents and cron jobs

SPM Agent for monitoring Apache httpd

Zero-dependency, never-break Server-Sent Events client for AI agents. Works across three durability tiers — ephemeral (in your agent session), foreground (on your laptop), or supervised (systemd/Docker/pm2). Reliable delivery via reconnect + exponential b

Runs ping functions periodically to determine if third parties are still alive.

Official Node.js SDK for CronBeacon — cron job and scheduled task monitoring.

A robust distributed locking mechanism for Node.js applications using AWS S3 as the backend storage, with support for deadlock detection, timeout handling, automatic lock refresh, retry with backoff, and cleanup utilities.

WebSocket client with heartbeat and reconnection support

networked status aggregator

A simple light-weight Typescript module for pinging HTTP services at set intervals to provide a heartbeat.

Cron job monitoring and heartbeat monitoring SDK for Node.js. Monitor scheduled tasks, background jobs, and cron jobs with simple ping telemetry. Get alerts when cron jobs fail, miss their schedule, or run too long.

简单封装WebSocket的心跳检测和自动连接

Find the primary node process in a multi server cluster.

Beacon - the AI agent orchestrator. 13 transports, agent scorecard dashboard, heartbeat, mayday, accords, virtual cities, proof-of-thought, relay, memory markets, hybrid districts, x402 micropayments, compute marketplace

Simple heartbeat server and client to manage overall agents and discovery

A WebSocket client with built-in heartbeat mechanism, automatic reconnection, and message format support.

A library to ping an endpoint in recurring intervals

面向 Vue 项目的轻量工具包，目前提供：

A simple websocket-monitoring, heartbeat-based module written in TypeScript

ES6 JS classes for Game Lobbies with friend lobbies, heartbeats and disconnect handlers

Skynet Mobile Plugin for Heartbeat

Mesure du temps actif, événements et bugs pour rémunérer les testeurs (Web, RGPD, anti-fraude).

SamarthyaBot — Privacy-First Local Agentic AI Operating System. Self-hosted multi-agent RPA engine with Telegram, Discord, Web Dashboard, Puppeteer browser control, SSH deployment, encrypted memory, voice transcription, and Indian workflow automation (GST

Seamless, multi-tab session orchestration for the modern web.

Lightweight WebSocket heartbeat manager for ws servers.

Tickstem heartbeat monitoring SDK for Node.js

Lightweight Telegram message relay — dev tool for notifications, crash alerts, deploy pings, and more

Node.js websocket enhanced service. Support node.js and browser platform, features: message encrypt(base on 4096 length rsa and symmetric), basic heartbeat, client authorization, directly message, channel message.

Sematext Docker Agent - Metrics and Log Collection Agent for Docker

Provenonce Beat SDK — Agent heartbeat client for sovereign time authentication

Cron job monitoring with dead man's switch and timeout detection

server status monitoring tool made simple

A lightweight processor for websocket connections, providing acknowledged messages, error handling and connection status monitoring. The same code runs on client and server.

BearWatch SDK for Node.js - Job monitoring and alerting

websocket heartbeat for miniprogram

Heartbeat daemon, config management, and background sync for OpenMnemo

websocket heartbeat

A small client side websocket library for browsers.

Browser client for @pulsat.io

[](https://npm.im/typed-websocket-client) [](https://npm.im/typed-websocket-client) [![License](https://img.shields.io

Command-line interface for Uptrack uptime monitoring

Makes constant requests to urls and logs whether the response was successful and the response time. Can be configured to throw errors if the response fails in order to crash containers.

Leader election backed by MongoDB

Exemplar TypeScript SDK

Biblioteca de observabilidade com heartbeat e monitoramento de recursos

Leader election for subscription/changefeed databases

websocket heartbeat reconnect.

Node.js TypeScript module to manage distributed locks in DynamoDB with the AWS SDK. This package allows the caller to create locks, auto-refresh locks via heartbeats, takeover expired locks, and release locks.

Independent heartbeat tool with tmux injection and optional proxy mode

A js client library for heartbeat.sh

A TypeScript WebSocket client wrapper with built-in heartbeat mechanism and auto-reconnection support.

Production-ready WebSocket hook for React. Auto-reconnect with exponential backoff, message queuing, heartbeat, and full lifecycle callbacks.

Prevents your Node.js process or online dev session from going to sleep by running a persistent heartbeat.

A powerful WebSocket client with auto-reconnect, heartbeat, message caching, and authentication support

simple heartbeat manager

Pipedream Heartbeat Components

Utilities for managing SharedWorker port connections with ping/pong heartbeat and visibility tracking

Support heartbeat + reconnection mechanism

Lightweight health check and event loop monitoring detection library for Node.js. Supports custom indicators and TypeScript.

S7 Protocol Runtime Library

Lightweight monitoring SDK for Matowatch - send heartbeats, logs, errors, metrics, and system profiling from your Node.js app

Lightweight cron job heartbeat monitor. Add one curl to your crontab — get Slack/Discord alerts when jobs fail silently. Free tier, no install.

A simple complete heart-beat solution for node sockets

A TypeScript implementation of a heartbeat LED for Node.js on a Raspberry Pi.

Heartbeat utilities for DigitaliaConnect Protocol

Official Skypulsefy Pulse client for sending heartbeat pings

A robust websocket streaming service using RxJS

High-performance WebSocket client with auto-reconnect, heartbeat and priority messaging

Supervised loop management with heartbeat monitoring for the Nevar rules engine

WebhookAgent heartbeat runtime — poll, break, process webhook events at your agent's pace

Status route for your server

Mock heartbeat sensor for the Zetta platform

Adds a pingable endpoint to the project to test DB connection.

Complete starter kit for bootstrapping AI agent companies. Three-layer verification, 27 skills, GSD v1 execution, self-learning CLAUDE.md.

Low level and abstract KeepAlive-like structure.

Production-quality typed WebSocket hook for React with intelligent connection sharing, auto-reconnect, and message queuing

Living data components. 132 modes across 25 categories. Ring gauges, VU meters, heartbeat monitors, spectrum analyzers, radar sweeps, thermometers, compass dials. One canvas, 60fps interpolation, two props. Zero dependencies.

log recorder, info and error

OpenCode plugin providing dispatch_cycle MCP tool for Heartbeat — dispatches cycle tasks via native tool call instead of JSON parsing

TypeScript SDK for Agent Pulse — the on-chain liveness protocol for autonomous AI agents on Base. One-line alive checks, x402 micropayments, bidirectional gating.

Service control and lifecycle management for distributed services

SafeLink is an open-source NodeJS library created to maintain long-term communication between distant remote sites with varying network quality

Handles websocket ping/pong with BitMEX

Universal WebSocket client. Auto-reconnect, message queue, channels, request/response, heartbeat. Zero dependencies.

A resilient, type-safe WebSocket client with auto-reconnect, heartbeat, offline buffering, and lifecycle

A heartbeat monitor

Codex thread heartbeat CLI (auto-continue long tasks)

Universal WebSocket client. Auto-reconnect, message queue, channels, request/response, heartbeat. Zero dependencies.

A simple watchdog node

A Node.js based WebSocket distributed communication framework that enables seamless multi-server collaboration for real-time communication, cross-server event handling, and scalable applications.

Node.js monitoring utility to track uptime, CPU, and memory usage and report to a central admin server.

Self-hosted server monitoring powered by a zero-dependency bash agent. Runs on Cloudflare Workers, Node.js, and Bun.

OpenCode Heartbeat Plugin - 心跳检测和定时任务插件

OpenCode plugin providing request_human_input MCP tool for Heartbeat pipeline (approval + assistance)

tcp heartbeat

Drop-in WebSocket ping/pong heartbeat handling for the ws module

A ping-pong mechanism using rxprotoplex and RxJS for managing reliable connections.

Some helpers for simplified use of zeromq.node.

A websocket heartbeat plugin

Interval between ping-pong heartbeats between debased server & clients

Pipedream Heartbeat Components

use broadcast or multicast to coordinate an app leader

A js client library for heartbeat.sh

基于ES6的class 来封装的WebSocket，包含心跳，断线重连。

👉 https://hyper.fun/c/fa-heartbeat/1.3.0

Pre-built heartbeat tasks for OpenClaw agents. Email, weather, calendar, prices, news, etc.

Lightweight cron job heartbeat monitor. Add one curl to your crontab — get Slack/Discord alerts when jobs fail silently. Free tier, no install.

react for heartbeat mechanism and use publish and subscribe mode

Production-grade WebSocket client with auto-reconnection, heartbeat, and state management

Application layer heartbeat, more flexible and useful.

CLI heartbeat agent and configuration manager for Fleet Monitor

Because even your code deserves a heartbeat.

Physical module for testing downstream dependency on Redis

高级WebSocket服务库，支持单例模式、发布订阅模式、自动重连、心跳机制等功能

Small manager around setInterval

CLI heartbeat agent and configuration manager for ClawTrace Monitor

Modul Node.js untuk menyimpan log.

A good heartbeat timer

CLI for DidItRun — cron job monitoring made simple

Beacon SaaS collector — heartbeats, metrics, and agent discovery for OpenClaw agents

EmberQL is an intuitive, lightweight Node module that facilitates caching data from GraphQL queries, and implements a dynamic data persistence system that monitors the status of the primary database and modifies cache invalidation accordingly.

高级WebSocket服务库，支持单例模式、发布订阅模式、自动重连、心跳机制等功能

Express midleware to test database connectivity

Heartsuite Client that send heartbeats to a Heartsuite server

HeartSuite Server that receives heartbeat from client

Physical module for testing downstream dependency on MongoDB

YAML to OpenClaw cron sync tool

Sends a 1 to AWS CloudWatch every so often.

A test package to simulate a heartbeat endpoint.

A background daemon that periodically wakes Claude Code using a HEARTBEAT.md checklist

SDK for integrating with MORTEM — an AI agent with programmatic mortality on Solana. Observe heartbeats, detect death, fund resurrection, and build agent integrations.

n8n community nodes for Better Stack Uptime API integration

Monitor your AI agents in 2 lines of code — heartbeat watchdog, loop detection, cost tracking, auto-restart

primus-spark-heartbeat is a Primus plugin used to change how the heartbeat system works

A lightweight heartbeat and ping server

heartbeat stream will help to keep objects flowing when main stream is waiting for more data

A secure, feature-rich WebSocket client-server package with encryption, rooms, compression, heartbeat, and more.

Package to ping lambda calls

CLI-first observability layer for AI agents — lifecycle tracking, stuck-run detection, and resource-level health signals for agentic tool calls

Heartbeat library

👉 https://hyper.fun/c/tabler-heartbeat/1.3.0

A powerful WebSocket client with auto-reconnect, heartbeat, message caching, and authentication support

A headless WebSocket core library with reconnection, heartbeat, and message queue support

Mama checks up on you to make sure you're alright

CLI heartbeat agent and configuration manager for ClawFleet Monitor

Keep an eye on the active (running) status of the mentioned service.

Type-safe, secure cross-window communication with built-in origin validation, JSON Schema message validation, robust heartbeat monitoring, and defensive error handling

一个简单易用的WebSocket客户端工具，支持心跳机制、断点重连和事件订阅

A TypeScript library for WebSocket with heartbeat and reconnect functionality

websocket for miniprogram

easy to use websocket for react and use heartbeat mechanism

```bash npm install websocket-heart-beat-mytest ```

Retry a promise with a heartbeat

live websocket