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Martin Fowler

ThoughtWorks Chief Scientist. Author of 'Refactoring' and 'Patterns of Enterprise Application Architecture'.

https://martinfowler.com

Articles - Page 2

Fragments: February 23

Do you want to run OpenClaw? It may be fascinating, but it also raises significant security dangers. Jim Gumbley, one of my go-to sources on security, has some advice on how to mitigate the risks. Whi

Fragments: February 19

I try to limit my time on stage these days, but one exception this year is at DDD Europe. I’ve been involved in Domain-Driven Design, since its very earliest days, having the good fortune to be a soun

Bliki: Host Leadership

If you've hung around agile circles for long, you've probably heard about the concept of servant leadership, that managers should think of themselves as supporting the team, removing blocks, prote

Fragments: February 18

I’ll start with some more tidbits from the Thoughtworks Future of Software Development Retreat  ❄                ❄ We were tired after the event, but our marketing folks forced Rachel Laycock and I to

Bliki: Agentic Email

I've heard a number of reports recently about people setting up LLM agents to work on their email and other communications. The LLM has access to the user's email account, reads all the emails, de

Harness Engineering

Birgitta Böckeler explains why OpenAI's recent write-up on Harness Engineering is a valuable framing of a key activity in AI-enabled software development. The harness includes context engi

Fragments: February 13

I’ve been busy traveling this week, visiting some clients in the Bay Area and attending The Pragmatic Summit. So I’ve not has as much time as I’d hoped to share more thoughts from the Thoughtworks Fut

Fragments: February 9

Some more thoughts from last week’s open space gathering on the future of software development in the age of AI. I haven’t attributed any comments since we were operating under the Chatham House Rule,

Context Engineering for Coding Agents

The number of options we have to configure and enrich a coding agent’s context has exploded over the past few months. Claude Code is leading the charge with innovations in this space, but

Fragments: February 4

I’ve spent a couple of days at a Thoughtworks-organized event in Deer Valley Utah. It was my favorite kind of event, a really great set of attendees in an Open Space format. These kinds of events are

Bliki: Excessive Bold

I'm increasingly seeing a lot of technical and business writing make heavy use of bold font weights, in an attempt to emphasize what the writers think is important. LLMs seem to have picked up and

Fragments: January 22

My colleagues here at Thoughtworks have announced AI/works™, a platform for our work using AI-enabled software development. The platform is in its early days, and is currently intended to support Thou

Conversation: LLMs and the what/how loop

LLMs help developers explore the "what/how" loop of software abstraction more fluidly, complementing TDD in managing cognitive load and building adaptable systems.

Fragments: January 8

Anthropic reports developers use AI for 59% of work with 50% productivity gains, mainly for debugging and understanding code.

Fragments: December 16

Gitanjali Venkatraman published an illustrated guide on Mainframe Modernization, clearly explaining the history, challenges, and solutions with quirky visuals.

Writing Fragments

Author now posts short "fragments" on their blog instead of Twitter, since Twitter's audience has fragmented across multiple platforms after Musk's takeover.