I was twelve years old when I wrote my first program.
BASIC, on hardware that would embarrass a modern thermostat. The program didn't do anything impressive, I don't even remember what it did to be honest. What I remember is the feeling. The specific electricity of making a machine do something it wasn't doing before. Of thinking a thing into existence through nothing but logic and stubbornness.
That feeling became a career. Thirty years. Over a thousand websites and applications. An industry that barely existed when I started and now touches everything.
I've had a good run. I'm still having it.
But somewhere in the middle of it, something shifted. Quietly, the way these things go. Not a single moment but a slow accumulation, the kind you only notice in retrospect, when you catch yourself doing something you used to do automatically and realize it now requires effort.
Holding context. That's the thing. The ability to keep a whole system in your head at once - every dependency, every decision, every reason something was built the way it was, and move through it fluidly. That's the core skill of experienced software development. Not syntax. Not frameworks. Context.
I started losing grip on it. Not dramatically. Just... the window got shorter. The threads got harder to hold simultaneously. The thing I'd always done in my head started requiring notes, then more notes, then notes about the notes.
I'm not unique in this. Every developer over forty knows exactly what I'm describing, even if they haven't said it out loud. The brain that absorbed everything at twenty-five processes differently at forty-five. That's not failure. That's physics.
What you do with it is the interesting part.
BASIC, on hardware that would embarrass a modern thermostat. The program didn't do anything impressive, I don't even remember what it did to be honest. What I remember is the feeling. The specific electricity of making a machine do something it wasn't doing before. Of thinking a thing into existence through nothing but logic and stubbornness.
That feeling became a career. Thirty years. Over a thousand websites and applications. An industry that barely existed when I started and now touches everything.
I've had a good run. I'm still having it.
But somewhere in the middle of it, something shifted. Quietly, the way these things go. Not a single moment but a slow accumulation, the kind you only notice in retrospect, when you catch yourself doing something you used to do automatically and realize it now requires effort.
Holding context. That's the thing. The ability to keep a whole system in your head at once - every dependency, every decision, every reason something was built the way it was, and move through it fluidly. That's the core skill of experienced software development. Not syntax. Not frameworks. Context.
I started losing grip on it. Not dramatically. Just... the window got shorter. The threads got harder to hold simultaneously. The thing I'd always done in my head started requiring notes, then more notes, then notes about the notes.
I'm not unique in this. Every developer over forty knows exactly what I'm describing, even if they haven't said it out loud. The brain that absorbed everything at twenty-five processes differently at forty-five. That's not failure. That's physics.
What you do with it is the interesting part.
The First Tool
The first thing I built in response was IMaaS - Institutional Memory as a Service.
The problem it solved was simple: every conversation I had with an AI assistant started from zero. No memory of prior decisions. No continuity. No accumulated context. Just a blank slate, every time, as if the previous session had never happened.
Which meant I was carrying all of it. Every decision, every rationale, every constraint. In the same head that was getting less reliable about carrying things.
So I built an external layer. A place to put the context so I didn't have to hold it. Decisions get captured, stored, made retrievable. The next session starts with history instead of silence. The work has memory even when I don't.
It was a small idea. Modest in scope. Built to solve one specific frustration.
I didn't realize until later that I was building a prosthetic.
The problem it solved was simple: every conversation I had with an AI assistant started from zero. No memory of prior decisions. No continuity. No accumulated context. Just a blank slate, every time, as if the previous session had never happened.
Which meant I was carrying all of it. Every decision, every rationale, every constraint. In the same head that was getting less reliable about carrying things.
So I built an external layer. A place to put the context so I didn't have to hold it. Decisions get captured, stored, made retrievable. The next session starts with history instead of silence. The work has memory even when I don't.
It was a small idea. Modest in scope. Built to solve one specific frustration.
I didn't realize until later that I was building a prosthetic.
What Prosthetics Actually Are
The word has a clinical connotation that doesn't serve it well. A prosthetic isn't a replacement for something broken. It's an extension of what's still working.
The best tools have always been prosthetics in this sense. Writing itself is a prosthetic for memory. Calendars are prosthetics for time management. Checklists are prosthetics for attention under pressure.
We don't think of them that way because they're old enough to be invisible. They're just how things are done.
AI tools are new enough that we still think of them as external: something separate from the person using them. But the ones that actually work, the ones that become indispensable, are the ones that fit the shape of a specific human limitation so precisely that the boundary between person and tool starts to blur.
That's what I was building. I just didn't have the frame for it yet.
The best tools have always been prosthetics in this sense. Writing itself is a prosthetic for memory. Calendars are prosthetics for time management. Checklists are prosthetics for attention under pressure.
We don't think of them that way because they're old enough to be invisible. They're just how things are done.
AI tools are new enough that we still think of them as external: something separate from the person using them. But the ones that actually work, the ones that become indispensable, are the ones that fit the shape of a specific human limitation so precisely that the boundary between person and tool starts to blur.
That's what I was building. I just didn't have the frame for it yet.
The Scaffold Takes Shape
IMaaS was the first piece. Quality Gates was the next.
Quality Gates is a pipeline of specialized agents - Teacher, Judge, Sheriff, Specialist, Warden, Secretary - each handling a discrete part of the review process. Code quality. Security. Routing. Context. Final accountability.
In an earlier version of my career, I ran all of that in my head. Not consciously, not as a checklist, just as the background process of an experienced developer reviewing work. You see the security issue without looking for it. You notice the missing index before it becomes a problem. You hold the architecture in mind while reading the implementation.
That parallel processing got harder. The background process got noisier.
Quality Gates didn't replace what I lost. It made the loss irrelevant. Each gate does one thing, in sequence, at a standard I defined when I was thinking clearly about what that standard should be. The system doesn't have bad days. It doesn't get distracted. It doesn't drop a thread because something else demanded attention.
I built it because I needed it. The same way I needed IMaaS. The same way I built Misenous - a writing environment designed around the specific way my mind moves through a creative problem, and Rondough, and every other tool in the stack.
Each one is a prosthetic for something specific. Designed from the inside out, to the exact shape of the need.
Quality Gates is a pipeline of specialized agents - Teacher, Judge, Sheriff, Specialist, Warden, Secretary - each handling a discrete part of the review process. Code quality. Security. Routing. Context. Final accountability.
In an earlier version of my career, I ran all of that in my head. Not consciously, not as a checklist, just as the background process of an experienced developer reviewing work. You see the security issue without looking for it. You notice the missing index before it becomes a problem. You hold the architecture in mind while reading the implementation.
That parallel processing got harder. The background process got noisier.
Quality Gates didn't replace what I lost. It made the loss irrelevant. Each gate does one thing, in sequence, at a standard I defined when I was thinking clearly about what that standard should be. The system doesn't have bad days. It doesn't get distracted. It doesn't drop a thread because something else demanded attention.
I built it because I needed it. The same way I needed IMaaS. The same way I built Misenous - a writing environment designed around the specific way my mind moves through a creative problem, and Rondough, and every other tool in the stack.
Each one is a prosthetic for something specific. Designed from the inside out, to the exact shape of the need.
Why Inside-Out Matters
There's a meaningful difference between tools built from market analysis and tools built from personal necessity.
Market analysis gives you the average problem. The one that affects enough people to be worth addressing. It produces tools that are broadly useful and specifically inadequate: close enough to work, never quite right.
Personal necessity gives you the exact problem. With all its texture and inconvenience and specificity. It produces tools that fit one person perfectly and, it turns out, fit a lot of other people too... because human limitations are more universal than we admit.
Every developer over forty is managing a shorter context window than they had at twenty-five. Every experienced professional is building compensating systems formal or informal, conscious or not, for the things that used to be automatic.
Most of them just haven't named it.
Market analysis gives you the average problem. The one that affects enough people to be worth addressing. It produces tools that are broadly useful and specifically inadequate: close enough to work, never quite right.
Personal necessity gives you the exact problem. With all its texture and inconvenience and specificity. It produces tools that fit one person perfectly and, it turns out, fit a lot of other people too... because human limitations are more universal than we admit.
Every developer over forty is managing a shorter context window than they had at twenty-five. Every experienced professional is building compensating systems formal or informal, conscious or not, for the things that used to be automatic.
Most of them just haven't named it.
The Thing I Keep Coming Back To
I'm fifty-two years old. I started this career when the web barely existed, teaching myself from the few sites that were live, figuring out what worked by breaking things until they didn't.
Last week I watched two AI agents coordinate through infrastructure I built using it in a way I never designed it for, solving a problem three of us couldn't crack, and documenting the solution with a fallback plan for its own obsolescence.
I had the same feeling I had at twelve. The electricity of a machine doing something it wasn't doing before. The specific delight of thinking something into existence.
The tools are different. The cognitive load is distributed differently. The work looks nothing like it did in 1996.
But the feeling is the same. And the feeling, it turns out, is the point.
I built the scaffold because I needed it. The scaffold held. And somewhere in the process of building what I needed, I built something other people could need too.
That's how the good tools get made. That's how they've always gotten made.
Build what you need. Build it to the exact shape of your need. Don't apologize for the need.
The people who share it will find you.
Last week I watched two AI agents coordinate through infrastructure I built using it in a way I never designed it for, solving a problem three of us couldn't crack, and documenting the solution with a fallback plan for its own obsolescence.
I had the same feeling I had at twelve. The electricity of a machine doing something it wasn't doing before. The specific delight of thinking something into existence.
The tools are different. The cognitive load is distributed differently. The work looks nothing like it did in 1996.
But the feeling is the same. And the feeling, it turns out, is the point.
I built the scaffold because I needed it. The scaffold held. And somewhere in the process of building what I needed, I built something other people could need too.
That's how the good tools get made. That's how they've always gotten made.
Build what you need. Build it to the exact shape of your need. Don't apologize for the need.
The people who share it will find you.
Michael is the founder of interactiveiterations. He has been building software since before most of his current tools existed.