Vjeux says agents failed on architecture, so he’s porting Final Cut functions one by one
Vjeux · x · 2026-07-28
Vjeux describes an attempt to recreate the Final Cut Pro transition engine in JavaScript with help from agents.
- An initial approach gave the agent a comparison tool for real vs. implemented output, but it produced lots of code, barely worked, and became hard to debug.
- He tried extra tools such as screenshots at different timestamps, reading assembly for the executed function, and a minimizing function to isolate repro cases.
- The takeaway: he no longer trusts the agent to make architectural decisions.
- The new plan is to have an army of agents port each disassembled function to JavaScript one by one, since that seems more mechanical and easier to verify.
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