it's more than a vibe, the challenge is it's "Here's a bunch of things that can help; pick and use what works but don't be dogmatic about it". This is impossible to scale, as by definition it's anti-scale, which is why companies run into massive problems and pervert agile into whatever they have now.

If that's the problem, then it's easy.

Do not think about the tools. Think about small improvements that can move the team in a more productive and sustainable (agile) way.

Simple things. Like putting a timer on long meetings until people get used to not extending it. Or putting a limit on the work pipeline between the developer and the tester to avoid overwhelming testing sessions.

In my opinion, you are not supposed to start from scratch. The chaos often comes from this "let's blank slate everything and adopt all agile things we can find". Once again, the same mistake of focusing on tools instead of interactions between people.

C'mon, it's not that hard. Doesn't need to have strict rules.