Daniel Lopes | Substack
Notes from running engineering, product and design at GrowthX: decisions, reflections and ideas as they happen. Click to read Daniel Lopes, a Substack publication. Launched 2 years ago.
journal.daniellopes.devSOFTWARE AND DATA ENGINEERING
Deep dive into how production and open-source coding agents work: execution loops, tool calling, context management, memory systems, and permission models.
OPEN CODEANTHROPIC
ARTIFICIAL INTELLIGENCE
Learn what an AI agent harness is, how its runtime loop works, and key architectural decisions for building one that turns models into productive agents.
OPEN AIVERCEL
ARTIFICIAL INTELLIGENCE
19 can’t-miss items · Oct 5–11
AUSTRALIAFELIX RIESEBERGAARON HOLMES
ARTIFICIAL INTELLIGENCE
43 can’t-miss items · Sep 28–Oct 4
SOFT BANKNVIDIA
ARTIFICIAL INTELLIGENCE
AMD×World Labs, Vercel agents, Standards Authority, Cognition $900M, Nvidia power, PG essays · 71 can’t-miss items · September 2026
GOOGLESIMON WILLISON