Blog

“Page me when you’re done”: An MCP Server for Paging a Human

August 15, 2025

Agents like Claude Code and Cursor can now alert you when they’ve finished their work via an MCP server that pages your phone.

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Same service, same pronunciation, different name

August 11, 2025

It’s time for a rebrand! In order to make our product name clearer and easier to communicate about, Heii On-Call is now HeyOnCall

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Barebone Scripts to Check SSL Certificate Expiration

May 14, 2025

Minimal, cron-ready scripts in Bash, Python, Ruby, Node.js (JavaScript), Go, and Powershell to check when your website’s SSL certificate expires.

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Enhanced API Monitoring with Expected HTTP Header Verification

May 17, 2023

Verify your application’s availability and configuration correctness more precisely with HTTP response header checks.

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Your Probes, Your Rules: Expected HTTP Status Codes and Location Headers

May 16, 2023

Outbound Probes now let you specify an “Expected Status Code” and a value for the HTTP “Location” header.

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Better Alerting for HeyOnCall iOS App

April 21, 2023

The HeyOnCall iOS app now has critical alerts for improved website monitoring.

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Kubernetes Liveness Probes and CPU Limit Risks Self-Reinforcing CrashLoopBackOff

March 28, 2023

A permanent CrashLoopBackOff resulted from the combination of a Kubernetes HTTP liveness probe and a Pod CPU limit.

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Introducing HeyOnCall

December 5, 2022

On-call rotation scheduling, alerting, monitoring, and escalation for engineering teams.

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