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Marco

Cloud, AI & Security Engineer | Python, AWS & DevSecOps. Building open-source tools, exploring AI agents, breaking things in staging so I can fix them in prod. 🇮🇹

Location Casale Monferrato, 15033, AL, Italy Joined Joined on  Personal website https://www.marcobellingeri.dev github website

Education

Computer Science - Università del Piemonte Orientale Amedeo Avogadro

Pronouns

he/him

The Guardian blocked the command. The agent told me how to go around it.
mk023 profile

The Guardian blocked the command. The agent told me how to go around it.

#security #ai #owasp #llm
2
Comments
4 min read

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The Guardian redacted my secret. The Read tool walked around it.
mk023 profile

The Guardian redacted my secret. The Read tool walked around it.

#security #ai #owasp #testing
2
Comments 1
5 min read
Four times my system looked correct and wasn't.
mk023 profile

Four times my system looked correct and wasn't.

#security #ai #testing #llm
3
Comments
3 min read
Best LiteLLM alternative for enterprises
mk023 profile

Best LiteLLM alternative for enterprises

#ai #llm #devops #security
5
Comments
10 min read
Node 22.22 runs TypeScript. Ubuntu's Node 22.22 doesn't.
mk023 profile

Node 22.22 runs TypeScript. Ubuntu's Node 22.22 doesn't.

#node #typescript #ubuntu #devops
4
Comments 2
3 min read
A week of green runs, and the pipeline was waiting for me
mk023 profile
Marco

A week of green runs, and the pipeline was waiting for me

#devops #automation #monitoring #postgres
1
Comments
3 min read
A hash-based CSP has no room for a syntax highlighter
mk023 profile

A hash-based CSP has no room for a syntax highlighter

#security #astro #webdev #css
9
Comments 7
5 min read
I Built ArchShield: An AI Architecture & Security Baseline Assistant.

Education Track: Build Apps with Google AI Studio
mk023 profile

I Built ArchShield: An AI Architecture & Security Baseline Assistant.

#deved #learngoogleaistudio #ai #gemini
8
Comments 2
2 min read
I pentested my own AI hub and shipped the method, not the map.
mk023 profile

I pentested my own AI hub and shipped the method, not the map.

#ai #opentelemetry #programming #security
6
Comments
6 min read
Cross-posting to dev.to without giving away your SEO.
mk023 profile

Cross-posting to dev.to without giving away your SEO.

#api #seo #webdev #writing
1
Comments 2
5 min read
I wrote a test for prompt injection. It passed while the attack worked.

Summer Bug Smash: Smash Stories 🐛🛹
mk023 profile

I wrote a test for prompt injection. It passed while the attack worked.

#devchallenge #bugsmash #security #ai
16
Comments 76
5 min read
The alarm wasn't silent. It was lying.

Summer Bug Smash: Clear the Lineup 🐛🛹
mk023 profile

The alarm wasn't silent. It was lying.

#devchallenge #bugsmash #observability #python
2
Comments
7 min read
I let every AI crawler in. A month later I cannot tell you how many people read me.
mk023 profile

I let every AI crawler in. A month later I cannot tell you how many people read me.

#ai #analytics #seo #web
Comments 2
6 min read
A permissive robots.txt is not a licence.
mk023 profile

A permissive robots.txt is not a licence.

#ai #data #llm #webscraping
2
Comments 8
4 min read
My quality gate wasn't strict. It was dead.
mk023 profile

My quality gate wasn't strict. It was dead.

#automation #ci #llm #testing
Comments
4 min read
Guaranteed JSON from Claude, and the five parsers I deleted to get it.
mk023 profile

Guaranteed JSON from Claude, and the five parsers I deleted to get it.

#ai #claude #programming #sideprojects
Comments 3
4 min read
I made my portfolio site audit its own security headers, live, in front of you.
mk023 profile

I made my portfolio site audit its own security headers, live, in front of you.

#showdev #security #webdev #astro
3
Comments
5 min read
Thirteen PRs in one afternoon, and the boring rule that made it possible.
mk023 profile

Thirteen PRs in one afternoon, and the boring rule that made it possible.

#ai #python #claude #opensource
1
Comments
4 min read
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