AI X-feeddaily signal from hand-vetted sources

2026-05-25

4 signal posts

Relevance 8/10technique

Red/green TDD for agent code: test-driven approach to guard agents breaking old features on new changes.

@simonw · 2026-05-25 · testing, agents, tdd, red-green

Relevance 7/10technique

Question on agent-written code testing; surfaces pattern: agents should include automated test coverage.

@simonw · 2026-05-25 · testing, agents, code-quality

Relevance 9/10opinion

Agents are code rotators: they map weights+context+prompt into new code by rotating in high-dim space, not typical reasoning.

@dexhorthy · 2026-05-25 · agents, mental-models, coding-agents, weights-context-prompt

Relevance 8/10research

Context dominates LLM bills; amortized cost modeling achieves 25% token savings and 50% cost cuts vs full-context.

@dair_ai · 2026-05-25 · context-optimization, token-efficiency, llm-costs, production

Curated one-line summaries; every title opens the original post. Selected and summarized automatically from hand-vetted sources by a pipeline running on a Raspberry Pi. Numbers are relevance scores (0–10) assigned by the curator model against an applied-AI rubric. Times are US Eastern. Updated every 4 hours.