I can attest to everything. Using Tidewave MCP to give your agent access to the runtime via REPL is a superpower, especially with Elixir being functional. It's able to proactively debug and get runtime feedback on your modular code as it's being written. It can also access the DB via your ORM Ecto modules. It's a perfect fit and incredibly productive workflow.

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ogig 3 hours ago | parent | next [-]

Some MCP's do give the models superpowers. Adding playwright MCP changed my CC from mediocre frontend skills, to really really good. Also, it gives CC a way to check what it's done, and many times correct obvious errors before coming back at you. Big leap.

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ch4s3 4 hours ago | parent | prev [-]

Which models are you using? I’ve had mixed luck with GPT 5.2.

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barkerja 2 hours ago | parent | next [-]

Opus 4.5 with Elixir has been remarkably good for me. I've been writing Elixir in production since ~2018 and it continues to amaze me at the quality of code it produces.

I've been tweaking my skills to avoid nested cases, better use of with/do to control flow, good contexts, etc.

	▲	ch4s3 an hour ago \| parent [-]
		I'll have to check it out. I've found GPT to be adequate at producing running code that I can improve either by hand, or very specific prompting. What does your workflow look like?

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jonator 4 hours ago | parent | prev [-]

I've been using Opus 4.5 via Claude Code