# Yuchen Jin says terminals were not built for AI agents

> Original title: Saw a dude coding in a terminal on SF Caltrain.

- Source: Yuchen Jin
- Published: 2026-10-30T17:15:36.000Z
- Bad Influence: https://badinfluence.news/items/gln611jz5cqkg9vsvbd5tx58x
- Original: https://x.com/Yuchenj_UW/status/2116217469136478506

## Summary

Yuchen Jin posted that he saw a developer coding in a terminal on SF Caltrain, comparing it to using a typewriter in 2026. He says the terminal was not built for the age of AI agents.

## Post

Saw a dude coding in a terminal on SF Caltrain.

Felt like watching someone use a typewriter in 2026.

Terminal wasn't built for the age of AI agents.