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Hey guys,

It's time to focus on ideas before start coding so you can make better apps and save a lot of quota/tokens. I've made this tool so you can create specs in a very easy an intuitive way, then pass a full prompt to your coding environment (or better: an .md file)

No login required! Just use it as guest, or get a free account if you want to use a lot of AI features like the "Vibe Chat", where you can literally vibe ideas into Specs from anywhere.

If you are interested on becoming beta tester let me know and I can give you PRO access in exchange of some feedbacks.


Interesting point of view, and very nice landing page. But I have a question: why not let users access the tool first thing?

I feel like time and attention are limited resources, so a tool should show the actual tool straight way. Or it would feel like walking into a bakery where you cannot see or smell any bread, but fancy animations on the screens instead.

what do you think?


I love the idea, the chat interface is good for... well, chats. We need innovation in Human-AI interfaces, there are so many possibilities to explore.

I'll give it a try and I will post my feedbacks, but it is a thumb-up so far


Nice app, but I suggest to implement a simple and effective city search.

For example it thinks I'm in France (but I'm in the UK), and I will be in Italy (Milan) on the 12th.

Maybe you can manage to fix the city search before the 12th? And enjoy the Eclipse!


Ah I see, I think I didn't make it clear enough that for the 3D viz there's only France and Spain that are currently supported today. I'll change the phrasing to make it clearer. I'm planning on adding more countries and features before the 12th.

Thanks for the feedback!


Ok, shame, but thank you for the clarification. Just asking: what are technical constraints of implementing it for any location?


Multiple data layers have to exist per country, and both have to be fetchable straight from the browser, since the site is static with no backend (everything is computed in your browser).

You need both accurate heights and outlines at ground level for buildings, forest, etc. OSM has outlines nearly everywhere, but height data can be missing. Without a height, it'll be inaccurate to answer "will that roof block the Sun", which is the whole point of the app. France and Spain both publish real heights, so they went first.

You also need good terrain elevation data: with the Sun only a few degrees up, a hill can hide it completely, and your own ground height counts too. Inaccurate terrain data can flatten hilltops for example, which I've seen in many cases.

So, since I want things to be accurate: it's one integration per country, and plenty of countries don't publish heights openly.

I'll be gradually adding more and more countries. I've already started working on the 2027 eclipse (https://eclipse2027times.com/), so by then it should have even more supported countries.


Agents are getting very good also on inventing features. Features that the dev might even like, or might just ignore they exists...unless looking at the code or asking the agent specifically.

Specs are great to identify what has been implemented without explicit control, and to get control over it - if needed.

Also, I think specs are a good way to have bird's-eye of the whole project, for sanity and long term maintanance.


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