Skip to content

Armin Ronacher personal blog

Agent design is still hard

lucumr.pocoo.org published 2025-11-2112 min read

My Agent abstractions keep breaking somewhere I don’t expect.

Read on lucumr.pocoo.org → Discuss on HN (258) Archived copy

Points: 426
HN comments: 258
Submissions: 1
Cited by: 0 commenters

AI & Machine Learning Software Engineering 2025

On Hacker News

Submitted	Title on HN	Points	Comments
Nov 22, 2025	Agent design is still hard by the_mitsuhiko	426	258

More from Armin Ronacher

All 77 posts →

996

20251,058 points532 comments Society, Policy & Culture details

Some things just take time

2026853 points273 comments Life, Learning & Writing details

Before GitHub

2026680 points237 comments History & Retro Computing details

The Tower Keeps Rising

2026558 points269 comments AI & Machine Learning details

You can't Rust that

2018462 points117 comments Programming Languages details

Astra for Coding: Why Are We Doing This Again?

2026456 points342 commentscited by 6AI & Machine Learning details

Related posts from the same era

Statement on US government directive to suspend access to Fable 5 and Mythos 5

Anthropic20263,158 points2,314 commentscited by 11 details

GPT-4o

OpenAI Blog20243,138 points2,366 commentscited by 16 details

Astra can read and write weights to improve Qwen

Rikiya Takehi20262,960 points899 comments details

HackerTube: YouTube built from videos recommended by HN

karpathy20262,889 points642 comments details

Claude Fable 5

Anthropic20262,626 points2,159 commentscited by 10 details

Claude Code is steganographically marking requests

Thereallo20262,445 points750 commentscited by 3 details