Dev Builds Timed AI Mock Interviews in Your IDE, Shares What Worked With Claude Code
BeetleJuiceK9 · reddit · 2026-09-04
A developer built Interview Sim almost entirely with Claude Code: paste a job posting and an agent researches the company's screen style, writes an original question, and opens a real interview repo in your IDE in 2 minutes, with hidden tests, a hard deadline script, and per-question time reports. Key lessons: the model owns the words while a script owns the numbers (timestamps, exit codes as the agent's API), and model-written tests can't be trusted — a rolling-median question passed all 20 hidden tests with a classic wrong solution, spawning a CI mutation gate. All 22 questions pass it. Python 3 stdlib only, MIT, free.
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