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How Agents Rewrote a Node.js Service in Go (With a 600-Test Harness)

Sep 28, 2026 By Checkly In Checkly

Stefan sits down with Eddie, senior engineer at Checkly, to talk through how an AI agent rewrote a legacy Node.js service in Go, and what it actually took to ship that to production safely.

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What is synthetic monitoring? Checkly explained in 2 minutes

Sep 17, 2026 By Checkly In Checkly

Learn how Checkly does synthetic monitoring with real browsers to run your critical flows on a schedule. Get alerted with screenshots and traces s when something breaks, and define the whole setup as code in your repo. Chapters.

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We Let AI Agents Rewrite a 92M-Message-a-Day Service in Go. Zero Incidents.

Sep 1, 2026 By Edvinas Janusevicius In Checkly

Our Results Daemon processes about 92 million messages a day. We recently rewrote it from Node.js to Go, and we let Claude Code write it. We wanted to know whether we could trust an agentic rewrite for a critical, high-throughput production service rather than a prototype. It shipped with zero incidents, a 70% reduction in running pods, and a lighter database load.

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Operations | Monitoring | ITSM | DevOps | Cloud

How Agents Rewrote a Node.js Service in Go (With a 600-Test Harness)

What is synthetic monitoring? Checkly explained in 2 minutes

We Let AI Agents Rewrite a 92M-Message-a-Day Service in Go. Zero Incidents.

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