Articles

I think this is what the internet calls a blog. That term is too late 90’s for me, so let’s call this a thought bucket.

Latest Article

OpenAPI Doctor Spring 2026 Update

A quarterly roundup of all the new features, capabilities and new powers available now in the doctor.

_{Apr 20, 2026 | 10 minute
read}

_{Apr 18, 2026 | 8 minute read} openapi-changes sucks

openapi-changes sucks

The second tool pb33f built is trash. It’s so bad I had to delete all the code and completely re-write it, find out why!
_{Jan 18, 2026 | 3 minute read} Automating screenshots with Claude Code

Automating screenshots with Claude Code

Quickly automate taking a screen capture of something, without having to drag and drop the images into your terminal.
_{Sep 23, 2025 | 6 minute read} OpenAPI 3.2 is here

OpenAPI 3.2 is here

The latest and greatest version of OpenAPI has dropped. It’s got some really great new features and capabilities—check them out in this roundup.
_{Sep 17, 2025 | 6 minute read} vacuum gets a facelift

vacuum gets a facelift

I’ve always kinda hated the vacuum UX in the terminal, so I decided to delete the whole freaking lot and completely rewrite the entire experience from scratch.
_{May 3, 2025 | 4 minute read} Time Travel for OpenAPI

Time Travel for OpenAPI

Imagine you had a time machine that allowed you to move across the entire timeline of an OpenAPI document?
_{Jan 4, 2025 | 5 minute read} OpenAPI is hard

OpenAPI is hard

OpenAPI is hard. At a glance it might seem really straight forward to build tooling for it, but then we learn there are monsters down below.
_{Oct 26, 2024 | 4 minute read} Introducing: The Doctor

Introducing: The Doctor

The Megazord of OpenAPI tools. Diagnose, test, validate, visualize, fix and improve your OpenAPI specifications all in one place.
_{Oct 5, 2023 | 5 minute read} Introducing wiretap

Introducing wiretap

The world’s coolest OpenAPI compliance and testing tool. Validate, mock and debug APIs against OpenAPI specifications and much more
_{Oct 4, 2023 | 4 minute read} Introducing openapi-changes

Introducing openapi-changes

The world’s sexiest OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.1, 3.0 and Swagger
_{Oct 4, 2023 | 1 minute read} How to check your API is compliant with an OpenAPI specification

How to check your API is compliant with an OpenAPI specification

This is walkthrough of how you can check the compliance of an OpenAPI specification against a client (like a UI, CLI, or SDK) and server or actual API endpoint.
_{Oct 3, 2023 | 1 minute read} How to check for breaking changes in an OpenAPI specification

How to check for breaking changes in an OpenAPI specification

This is walkthrough of how you can use openapi-changes to detect breaking changes in any OpenAPI specification.
_{Aug 9, 2023 | 5 minute read} How to get nothing done

How to get nothing done

Do you struggle to find time to get stuff done? Always being interrupted or overwhelmed? I hear you. Here are three simple techniques that I use to get shit done.
_{Feb 24, 2023 | 7 minute read} Rise of the builder

Rise of the builder

The world has changed, we’ve passed into a new era and that means what we value is also changing. We’re about to witness the rise of the builder.
_{Feb 15, 2023 | 5 minute read} How to give a better demo

How to give a better demo

As engineers, we need to showcase our work publicly frequently. It’s not easy to make a good demo, but avoiding these give mistakes will give you an advantage.
_{Dec 13, 2022 | 5 minute read} Parsing OpenAPI files using go

Parsing OpenAPI files using go

Learn how easy and quick it is to parse, read and explore OpenAPI specifications using go and libopenapi.
_{Jul 25, 2022 | 6 minute read} Introducing vacuum

Introducing vacuum

I’ve spent almost a year building the world’s fastest and most scalable OpenAPI linter. Here is why and the story behind it.
_{Mar 8, 2022 | 6 minute read} How to beat Impostor Syndrome

How to beat Impostor Syndrome

Have you ever felt like a fraud? Like someone will ‘find out’ you’re not as smart as they think you are? Ever feel way out of your depth? I feel you. Here is how I deal with it and how you can beat it.
_{Feb 7, 2022 | 1 minute read} Hello, Splunk!

Hello, Splunk!

New job, new domain, time to buckle-up buttercup
_{Jan 24, 2022 | 6 minute read} How to build a React based pub-sub client using WebSockets and JavaScript

How to build a React based pub-sub client using WebSockets and JavaScript

Learn how easy it is to call Asynchronous APIs using pub-sub, WebSockets and STOMP, inside a React UI application, we’re going to build in JavaScript.
_{Jan 17, 2022 | 6 minute read} Thank you, VMware.

Thank you, VMware.

After nearly a decade, I made the hard decision to leave VMware. This is the story of the most important project of my life at the company.
_{Dec 21, 2021 | 11 minute read} How to create a streaming AsyncAPI microservice using golang.

How to create a streaming AsyncAPI microservice using golang.

Get started with streaming APIs and microservices defined via AsyncAPI using golang.
_{Dec 16, 2021 | 11 minute read} How to create an event-driven API via AsyncAPI using golang.

How to create an event-driven API via AsyncAPI using golang.

Get started with event-driven APIs, Pub-Sub and microservices defined via AsyncAPI using golang.
_{Nov 9, 2021 | 7 minute read} M.A.R.V.I.N

M.A.R.V.I.N

Before VXRail, there was EVO:RAIL. Before both, however, there was MARVIN. Fifteen minutes from power on to first VM.
_{Sep 30, 2021 | 6 minute read} TrashBox, Engineering a solution to memory loss.

TrashBox, Engineering a solution to memory loss.

Two problems plague my life, misplacing my phone and forgetting to take out the trash. I solved both issues with one black box.
_{Sep 26, 2021 | 8 minute read} What is Experience Engineering?

What is Experience Engineering?

Building the big red easy button, UI, UX, DX, API, CLI and SDK all have experience engineering in common, but what exactly is it?