Tessl (auto-discovered)

Design systems cannot teach AI agents composition, the judgment of what goes on a screen and what gets left out, because that judgment is applied by hand and passed on through proximity rather than do…

Tessl's evaluation of its new Tessl Code Review tool found that three of four tested models with cheaper per-token prices than its production model gpt-5.6-terra cost more per pull request, with one m…

Tessl researcher and engineer Amy Heineike argues that as coding agents author the vast majority of code, a new role she calls the "harness engineer" is emerging to manage AI-authored code and maintai…