Re:Show HN: Browser based state machine simulator and visual...
by steve_adams_86 on Saturday February 07, 2026 @07:06PM
(#46929762)
The configuration reminds me a lot of XState, which has a beautiful visualizer/simulator (with a new version on the way I think): https://stately.ai/viz
Re:Show HN: Browser based state machine simulator and visual...
by sridhar87 on Monday February 09, 2026 @01:52PM
(#46949252)
Thanks for checking out.
Yes, it looks similar to XState. When I built it, I didn't know of XState, but of course, I did use a lot of AI to create this, so the configuration is similar to XState.
But my plan is to see if there is opportunity with this elsewhere, orthogonal to what stately seems to be doing.
Re:Show HN: Browser based state machine simulator and visual...
by steve_adams_86 on Monday February 09, 2026 @04:25PM
(#46951605)
> so the configuration is similar to XState
In my opinion this is a good thing. It's a really well-designed API. It's easily my favourite approach to defining state machines that I've encountered across several languages.
There are many verticals where state machines can be useful, but I think DeFi / Smart Contract is one area where I think they become more valuable, given the time it takes to implement a smart contract. Quite useful for protocol designers in the very early stages in my opinion. I was in fact designing a protocol and wanted a visual way to represent it, that's when I built this tool. I knew about mermaid, state machines, did not know about xstate.
This is cool too! I love state machines.
Yes, it looks similar to XState. When I built it, I didn't know of XState, but of course, I did use a lot of AI to create this, so the configuration is similar to XState.
But my plan is to see if there is opportunity with this elsewhere, orthogonal to what stately seems to be doing.
In my opinion this is a good thing. It's a really well-designed API. It's easily my favourite approach to defining state machines that I've encountered across several languages.
> see if there is opportunity with this elsewhere
Any plans to share yet? This sounds interesting!
Happy to hear your feedback.
There are many verticals where state machines can be useful, but I think DeFi / Smart Contract is one area where I think they become more valuable, given the time it takes to implement a smart contract. Quite useful for protocol designers in the very early stages in my opinion. I was in fact designing a protocol and wanted a visual way to represent it, that's when I built this tool. I knew about mermaid, state machines, did not know about xstate.
Actually I didn't know of XState when I built this, I had built this for my own workflow.
I did use AI to build this, so credits to AI for coming up with the right model, inspired by XState.
My plan is to build a slightly orthogonal version of what stately / xstate offers, even though right now it looks similar.
You can check out eigenarc.com for how I'm thinking of this.