Michel Ozzello

@mozzello

Geek, musician, surfer

Lisbon, PortugalJoined April 2026

About

Software engineer, 30+ years in the trenches. From COBOL to LowCode and AI. I've been writing about software in general and most recently how AI is changing the software development life cycle.

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Michel Ozzello's blogs

CoreStorycorestory.hashnode.dev12 posts

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Recently published

MOMichel Ozzellocorestory.hashnode.dev5d ago · 10 min read

Code Knowledge Graphs: Why Open-Source Stacks Stall at Enterprise Scale

TL;DR: Every code knowledge graph demo ends with a visualization. Most of them are syntax trees in a fancy renderer. At enterprise scale, the question isn't "is there a graph" but what's in the nodes,

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MOMichel Ozzellocorestory.hashnode.devJun 4 · 14 min read

Polymorphic Agents: Why Language-Aware Intelligence Beats Language-Specific Tools

TL;DR Large production systems are polyglot environments. It is not unnatural to see an enterprise having Java services, Python pipelines, Go APIs, Ruby on Rails frontends, C++ processing engines, SQL

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MOMichel Ozzellocorestory.hashnode.devMay 15 · 11 min read

COBOL Modernization Tools Compared: IBM ADDI, CAST, Blu Age, and CoreStory

TL;DR COBOL modernization isn't a single-tool problem. It has four distinct phases (understand, extract, migrate, validate) and different tools serve each phase. IBM ADDI and CAST Imaging are built fo

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MOMichel Ozzellocorestory.hashnode.devMay 15 · 10 min read

How to Build a Knowledge Graph from Enterprise Source Code

TL;DR A code knowledge graph transforms a codebase from a collection of text files into a structured, queryable model of how the system actually works. The architecture involves five phases: AST parsi

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MOMichel Ozzellocorestory.hashnode.devMay 15 · 11 min read

MCP Servers for Codebase Context: How AI Coding Agents Access Code Intelligence

TL;DR Model Context Protocol (MCP) is the open standard for connecting AI agents to external tools and data sources. For software teams, the most valuable MCP server isn’t for Slack or Postgres — it’s

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Michel Ozzello

About

Available for

Michel Ozzello's blogs

Recently published

Code Knowledge Graphs: Why Open-Source Stacks Stall at Enterprise Scale

Polymorphic Agents: Why Language-Aware Intelligence Beats Language-Specific Tools

COBOL Modernization Tools Compared: IBM ADDI, CAST, Blu Age, and CoreStory

How to Build a Knowledge Graph from Enterprise Source Code

MCP Servers for Codebase Context: How AI Coding Agents Access Code Intelligence

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Michel Ozzello

About

Available for

Michel Ozzello's blogs

Recently published

Code Knowledge Graphs: Why Open-Source Stacks Stall at Enterprise Scale

Polymorphic Agents: Why Language-Aware Intelligence Beats Language-Specific Tools

COBOL Modernization Tools Compared: IBM ADDI, CAST, Blu Age, and CoreStory

How to Build a Knowledge Graph from Enterprise Source Code

MCP Servers for Codebase Context: How AI Coding Agents Access Code Intelligence