KNKuba Nowacki

Writing

Notes on things I build — architecture decisions, lessons learned, and problems worth solving twice.

19 Mar 2026 · 7 min read

How I Built HookScope: A Real-Time Webhook Inspector with Go and NestJS

A behind-the-scenes look at building HookScope — a real-time webhook inspector with automatic localhost forwarding, exponential backoff retries, and a zero-config Go CLI. Everything I learned about DX-first tooling along the way.

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