Martin Fowler

Martin Fowler

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Influential essays on software delivery, CI/CD, refactoring, and team practices (independent site).

Feed AI Session Insights Back Into Shared Team Artifacts
SocialApr 8, 2026

Feed AI Session Insights Back Into Shared Team Artifacts

NEW POST @techygarg finishes his series on reducing the friction in AI-Assisted Development with a practice that feeds back learnings from AI sessions into the team's shared artifacts, turning individual experience into collective improvement. https://t.co/sQ9bkAGlbQ

By Martin Fowler
Write Software with Mechanical Sympathy for Faster Hardware
SocialApr 7, 2026

Write Software with Mechanical Sympathy for Faster Hardware

NEW POST Modern hardware is fast, but software often fails to leverage it. Caer Sanders guides his work with mechanical sympathy. He distills this into principles: predictable memory access, awareness of cache lines, single-writer, natural batching https://t.co/TGXxUv8PoC

By Martin Fowler
AI as Cognitive System 3 Redefines Code Economics
SocialApr 2, 2026

AI as Cognitive System 3 Redefines Code Economics

Fragments: three layers of system health, AI as cognitive system 3, what's expensive if agents make coding free, and the future of source code https://t.co/OfzP4x4MJE

By Martin Fowler
A New Mental Model for Harness Engineering
SocialApr 2, 2026

A New Mental Model for Harness Engineering

NEW POST Birgitta Böckeler wrote some initial thoughts about Harness Engineering last month. Since then she's been researching more and has now written a thoughtful mental model for understanding the topic. https://t.co/ChuxpRqjHQ

By Martin Fowler
Treat AI Prompt Standards as Versioned Infrastructure
SocialMar 31, 2026

Treat AI Prompt Standards as Versioned Infrastructure

NEW POST The quality of what AI coding assistants produce depends on how well the prompter articulates team standards. @techygarg proposes treating such instructions as infrastructure: versioned, reviewed, and shared artifacts. https://t.co/fqAeB6irlB

By Martin Fowler
ADRs: Concise Decision Logs Documenting Architectural Evolution
SocialMar 24, 2026

ADRs: Concise Decision Logs Documenting Architectural Evolution

NEW POST ADRs are short documents that capture a decision, structured into logs that reveal a history of architectural thinking for a product https://t.co/llbshdFbyf

By Martin Fowler
Beyond Bugs: Observability Shapes Agentic Programming Over GPS
SocialMar 19, 2026

Beyond Bugs: Observability Shapes Agentic Programming Over GPS

Fragments: code review isn't just catching bugs, what role for observability in agentic programming, what we lose with GPS over maps https://t.co/f2tfkLanN4

By Martin Fowler
Externalize AI Decision Context to Preserve Insight
SocialMar 17, 2026

Externalize AI Decision Context to Preserve Insight

NEW POST Conversations with AI are ephemeral, decisions made early lose attention as the conversation continues, and disappear entirely with a new session. @techygarg explains how to externalize the decision context into a living document. https://t.co/sZ58ZGWYEQ

By Martin Fowler
Structured AI Conversations Mirror Whiteboarding, Align Designs Early
SocialMar 3, 2026

Structured AI Conversations Mirror Whiteboarding, Align Designs Early

NEW POST @techygarg uses a structured conversation with an AI agent that mirrors whiteboarding with a human: progressive levels of design alignment, reducing cognitive load, and catching misunderstandings at the cheapest possible moment. https://t.co/axw3dnhjhI

By Martin Fowler
AI's Diverse Uses: From Business to Biological Training
SocialFeb 25, 2026

AI's Diverse Uses: From Business to Biological Training

Fragments: how organizations are using AI, reflections from the Utah retreat, agentic engineering patterns, inserting friction for security, training biological neural networks https://t.co/lrzsTVy1gs

By Martin Fowler
Fragments: February 25
NewsFeb 25, 2026

Fragments: February 25

Laura Tacho’s recent study shows 92.6% of developers rely on AI assistants, claiming roughly four saved hours per week and that AI now writes about 27% of code autonomously. The data also suggests AI can halve onboarding time, yet averages...

By Martin Fowler
Priming LLM with Codebase Knowledge Improves AI Workflow
SocialFeb 24, 2026

Priming LLM with Codebase Knowledge Improves AI Workflow

NEW POST @techygarg sees a frustration loop when working with AI and identified five patterns to help. Here's the first: priming the LLM with knowledge about the codebase and preferred coding patterns. https://t.co/yjRPvFChd0

By Martin Fowler
Knowledge Priming
NewsFeb 24, 2026

Knowledge Priming

The article introduces *knowledge priming* – the practice of feeding AI coding assistants curated project context before asking for code. It shows how generic AI output often clashes with a team’s conventions, leading to a frustrating regenerate‑fix loop. By supplying...

By Martin Fowler
Bespoke Software Era Highlighted at Prag
SocialFeb 23, 2026

Bespoke Software Era Highlighted at Prag

Fragments: security with OpenClaw, impressions from Pragmatic Summit, era of highly bespoke software, life-size pocket map https://t.co/IB6tYQu820

By Martin Fowler