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DavidLinthicum

Posts about agent harnesses on X

Posts on X about Open harnesses, Harness engineering, Productivity, jobs & code review.

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Oct 8, 2026
The AI Coding Productivity Mirage: New Harvard Study Finds the Gains Don't Ship

The wait is over. A rigorous new study from Harvard economists Fiona Chen and James Stratton, using data from 300 million work events across 718 firms, has finally given us a real answer on AI coding…
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Verified Oct 29, 2026