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I just tried vibe coding with Claude (programming.dev)

submitted 1 week ago by entwine@programming.dev to c/programming@programming.dev

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...and I still don't get it. I paid for a month of Pro to try it out, and it is consistently and confidently producing subtly broken junk. I had tried doing this before in the past, but gave up because it didn't work well. I thought that maybe this time it would be far along enough to be useful.

The task was relatively simple, and it involved doing some 3d math. The solutions it generated were almost write every time, but critically broken in subtle ways, and any attempt to fix the problems would either introduce new bugs, or regress with old bugs.

I spent nearly the whole day yesterday going back and forth with it, and felt like I was in a mental fog. It wasn't until I had a full night's sleep and reviewed the chat log this morning until I realized how much I was going in circles. I tried prompting a bit more today, but stopped when it kept doing the same crap.

The worst part of this is that, through out all of this, Claude was confidently responding. When I said there was a bug, it would "fix" the bug, and provide a confident explanation of what was wrong... Except it was clearly bullshit because it didn't work.

I still want to keep an open mind. Is anyone having success with these tools? Is there a special way to prompt it? Would I get better results during certain hours of the day?

For reference, I used Opus 4.6 Extended.

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[–] infiniteface@programming.dev 9 points 1 week ago* (last edited 1 week ago)

opus 4.6 is a dream for me. Though I'm in the web dev area which is quite mature and with a lot of training data. The life saver to avoid regression is to comprehensively test your code. This works as a kind of quality checkpoint during development.

Secondly, give it the right tooling and context, that means at the very least a good acp server (editor) and appropriate mcp servers. Search for what's appropriate in your domain. For 3d math, at the very least I'd think it would need a visual snapshotting tool. There are probably tons of relevant ones.

Thirdly, consistently expand on your CLAUDE.md, add and develop new skills as you go (let it write its own on your instructions). Force it to read them.

It probably depends on a lot of factors, but disciplined usage of these approaches will go a long way. Opus' context window is huge, which makes the approach more consistent.