The A Brief · A newsletter by Admeliora
Building software in the age of agents.
A free email newsletter on agentic coding, software engineering and the decisions that keep products dependable — written for people responsible for what ships.
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Occasional, considered reads. No hype, no noise.
Issue archiveGet The A Brief
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Join engineers and product leaders thinking carefully about software in the agentic era.
Inside The A Brief
What we write about.
Three threads run through every issue: how agents change the work, how to build software that holds up, and what it means for the people who ship it.
Written for
- Software engineers
- Tech leads and CTOs
- Product leaders
- Founders building with software
Agentic coding in practice
Where coding agents help, where they fall short, and how to keep quality in the loop.
- Coding agents
- Review
- Evals
Software that lasts
Architecture, product engineering and modernizing systems without the big-bang rewrite.
- Architecture
- Modernization
- Reliability
The engineer's changing role
Clear thinking on craft, judgment and delivery when agents join the team.
- Craft
- Judgment
- Teams
From our notebook
Start with a few useful reads.
The thinking behind The A Brief, drawn from our work building and evolving software in the agentic era.
- Gardening the codebaseCoding agents now write much of my code. So what’s left for me to do? Tending the garden that code grows in, and pulling the weeds.Read the article
- How many test cases is enough?Is trying a dozen examples enough before shipping an AI feature? Not even close. Here’s how many cases you need, and which ones to pick.Read the article
- Why busy teams are slowKeeping everyone busy feels efficient, but queueing math says it makes delivery slower. Here’s why, and what I’d change in how teams plan their work.Read the article