
I've been using AI assistant coding since 2022. Here's what 3 years taught me.
When GitHub Copilot dropped, everyone was skeptical. I used it daily from day one.
Now in 2026, people are panicking about AI workflows. Meanwhile, I have 3 years of reps.
The biggest lesson? You don't need a plan. You need specs.
No specs = no ship. Doesn't matter if you're vibe coding, using AI, or hiring someone.
14 years. 30M+ downloads. Same process every time:
- Specs first. What exactly are you building?
- Scope by layers. What's the MVP? What's later?
- Plan in steps. What's this week?
- Then code.
Skip specs and you'll rewrite everything twice. AI is fast. It's also fast at building the wrong thing.
I use OpenSpec for structure. OpenCode for execution. Keeps Cursor and Claude from drifting. Less fixing. More shipping.
Boring. But it ships.
What's your process? Happy to discuss any steps or details.
— Costa
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