LM

Luis Mori Guerra

Engineering Manager / Technical Lead

HomeAbout MeTopics

Recent Articles

How to Make GitHub Spec Kit Produce Leaner OutputDo New Frontier LLMs Really Resolve Ambiguity Better?Let's Build Prompt-First Repositories for Your ApplicationsWhy GitHub Spec Kit Is So Interesting: Six Skills Worth StudyingClaude Low Effort Compared: Fable 5 vs Opus 4.8 vs Sonnet 5

Topics

AI Agents64AI27Architecture24Claude Code20LLM20Loop Engineering20AI Engineering19Cursor18
luismori.
ArticlesAboutTopicsGitHubConnect
← All topics

Brownfield

A topic hub collecting every article tagged Brownfield. Use it to explore related posts and follow this theme across the site.

2 articles

Explore More Topics

AI Agents AI Architecture Claude Code LLM Loop Engineering
Spec Kit Legacy Modernization Spec-Driven Development Brownfield Software Architecture Migration Strategy

Before You Copy Legacy Code: A Spec-to-Spec Migration Workflow for Modernizing One Feature

An exploratory, source-backed article on reverse-engineering one feature into current-state specs in the old repo, then using those artifacts to drive a safer implementation in a new repo and a new stack.

Apr 14, 2026 18 min read
Spec Kit Cursor Spec-Driven Development Brownfield

How to Reverse-Engineer an Existing Feature into GitHub Spec Kit Artifacts

A practical brownfield workflow for reconstructing one existing feature into spec.md, plan.md, tasks.md, and supporting Spec Kit artifacts without pretending you are starting from scratch.

Apr 13, 2026 16 min read

Quick find

Search the blog

Search by topic, title, framework, or pattern.