Ask HN: Would You Use a Dev Tool That Does “Requirements → Tests → Code”?

I’ve been using Cursor and other AI coding tools, and I noticed a pattern: they go from requirements → code → fix when it breaks. It works, but it’s reactive. I write what I want, it half-understands, breaks something, and I patch it.

What I wish existed is a flow like this: Requirements → Generate Tests → Generate Code → Run Tests

Basically, AI-assisted TDD. The idea is:
* You write requirements in plain English.
* The tool turns them into unit/integration tests.
* Then generates code that tries to pass those tests.
* Then runs the tests and gives feedback.

I’m thinking of building this as a VSCode extension, with a backend (MCP-style) to orchestrate the steps. Cursor would still do the coding part — I just want to slot in before and after to automate testing from the start.

Would you use something like this?
Would you pay for it (e.g. Cursor-level pricing, ~$20/mo)?
What would break this in your workflow?

Comments URL: https://news.ycombinator.com/item?id=44256876

Points: 1

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