MIT's Missing Semester adds an agentic coding lecture in its 2026 edition

moutsea · reddit · 2026-11-12

MIT's free Missing Semester course added a dedicated Agentic Coding lecture to its 2026 edition (1 of 9 lectures). The notes frame coding agents as 'interns with tools' that read/write files, search the web, and run shell commands—but need steering.

Key advice: review outputs for correctness and security bugs, watch for debugging spirals, don't use agents as a crutch, and use git worktrees (from the version-control lecture) to run multiple agents in parallel.

The author shares his own practice: periodic git commits as rollback checkpoints instead of watching every step, and notes that when stronger models still ship bugs to production, the unfashionable skills—reading diffs, debugging shell commands—matter most.

Course site: https://missing.csail.mit.edu/, 2026 videos on YouTube.

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