I did not build TokenBar because I love dashboards.
I built it because I got tired of finding out too late.
That is the part of AI spend nobody talks about enough. The invoice is not the real pain. The real pain is the delay between action and consequence.
You use AI a little more than planned. Then a lot more. Then the month ends and the bill shows up like a receipt from a version of you that made better decisions than you did.
That is not a budgeting problem. It is a feedback loop problem.
When the cost is hidden, you are flying blind. By the time the bill arrives, the behavior is already baked in. You do not need a bigger spreadsheet. You need the number in front of you while you are still making the choice.
That was the idea behind TokenBar.
TokenBar sits in the Mac menu bar and shows token usage and cost in real time while you work. Not after the fact. Not in some report you open later when you are already annoyed. Right there, in the moment.
That tiny shift changes the way people use tools.
A few things happen once feedback gets shorter:
- You stop treating AI like an infinite utility.
- You notice which prompts are expensive before they become habits.
- You start comparing the value of the output to the cost of the input in real time.
- You make fewer dumb, unconscious calls.
That is true for AI, and it is true for a lot of founder problems.
If something keeps hurting you and you only learn about it later, the fix is usually not more analysis. It is a tighter loop.
I see the same thing with attention. If the distracting thing is still one click away, willpower loses. If it is removed at the point of temptation, the whole game changes.
That is also why products feel useful when they work well. They give you feedback fast enough to matter.
The more I build, the more I think founder tools should do one of two things:
- make the cost visible
- remove the temptation entirely
TokenBar is the first kind.
It is for people who are using AI enough that cost matters, but not enough that they want to become accountants about it. Solo devs, teams, anyone shipping with Claude, Cursor, ChatGPT, or other AI tools all day.
The goal is not shame. The goal is awareness.
If you can see the cost while you are still working, you can make better calls without breaking your flow.
That is the product lesson I keep coming back to:
Shorten the feedback loop and a lot of problems get easier.
If AI spend has ever surprised you, TokenBar is for you: tokenbar.site
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