Mattia Peretti

Senior Backend Engineer. Security-focused, Node/TypeScript. Building toward agentic AI & MCP tooling.

[Mattia Peretti @mattperetti]

I've just launched the waitlist for UptimeSphere on @ProductHunt! 🚀

Building a website security scanner that anyone can use. No servers, no complexity - just add your domain.

Would love your feedback & support 🙏

https://t.co/dC0jUtb7a2

#buildinpublic #indiehackers #saas

[Mattia Peretti @mattperetti]

Built a proof-of-concept agentic writing pipeline that coordinates Researcher, Writer, Editor, and a human approval gate. Read the full build journal here: https://t.co/4QiyWQMJKJ

[Mattia Peretti @mattperetti]

Two AI agents raced to ship PancakeBot in a fresh Vite React TypeScript project. Composer 2.5 reached a working build in 3m53s, grok 4.5 in 4m28s. Composer was faster, grok produced a more polished UI. Read the full comparison: https://t.co/2zuBd2CctM

#AI #frontend #React #Vite

[Mattia Peretti @mattperetti]

Colibrì streams only the experts a token needs, so a 744B GLM 5.2 runs on a laptop with 25 GB RAM and no GPU. The catch is NVMe bandwidth, not correctness. Read more to see why this matters for private AI on edge devices: https://t.co/zIfIRmC1mK

#LLM #MoE #LocalAI

[Mattia Peretti @mattperetti]

Your repo can onboard an AI teammate. AGENTS.md, SKILL.md and CLAUDE.md give it architecture, constraints and repeatable tasks. Agents amplify judgment, not replace it. How to turn AI into a working partner: https://t.co/ek9pNsJsfv

[Mattia Peretti @mattperetti]

Model choice is an engineering decision, not a marketing headline. Within one model family costs and latency can vary threefold. Shortlist by constraints on https://t.co/K4tmGW2U8c, then check cost per task on https://t.co/z8AWQmL4nt. Read: https://t.co/uRzdQitbYP

[Mattia Peretti @mattperetti]

GPT‑5.6 isn’t just a score bump: it’s a blueprint for lean, agentic backends: 'ultra' multi‑agent defaults, programmatic tool calling, big cost/latency wins and tighter cyber access (hardware passkeys, Daybreak Trusted Access). Read the breakdown: https://t.co/q6sXkX8ber

[Mattia Peretti @mattperetti]

@wslyvh @cursor_ai Yes, me too

[Mattia Peretti @mattperetti]

OKF is Google's Open Knowledge Format, and it formalizes something Andrej Karpathy had already sketched in a gist months earlier.

Both point at the same realization: an LLM agent isn't one brain, it's two.

https://t.co/WG2JfZAvNK

[Mattia Peretti @mattperetti]

Claude Fable 5 was pulled worldwide for 2.5 weeks after an export order, then returned with a targeted safety classifier instead of a blanket ban. What changed, and why "freedom" isn't the right question:

https://t.co/p6iHBQFxd7

[Mattia Peretti @mattperetti]

One MCP server, two clients, two completely different behaviors.

The protocol worked as advertised: write your tool once, connect anywhere.

https://t.co/NLQOvM4q3L

[Mattia Peretti @mattperetti]

If you're building a client-server app with APIs and a structured database, which tech stack and cloud services do you choose? Looking for insights on backend frameworks, databases, hosting, and scalability considerations.

[Mattia Peretti @mattperetti]

Do you have a blog to promote your product?

[Mattia Peretti @mattperetti]

What if there was a web app to supercharge your job hunt?

I'm thinking of building a tool that:
✅ Uses AI to generate potential interview questions based on the job post.
✅ Helps you track job applications and prep like a pro.

What do you think? Would this be helpful?

[Mattia Peretti @mattperetti]

What’s the take on testing in the context of shipping fast philosophy? When is 'fast' fast enough, and what tradeoffs are acceptable?

[Mattia Peretti @mattperetti]

Is shipping fast just a trend these days?

[Mattia Peretti @mattperetti]

Which oauth services do you prefer on a login page? Is standard username/password enough for your needs?

[Mattia Peretti @mattperetti]

I'm building a web app to track job applications.

It provides data on rejection rate, the longest process times and tracks job application history.

Would you use it?

[Mattia Peretti @mattperetti]

@venelinkochev The tradeoffs of some ORMs.

[Mattia Peretti @mattperetti]

Do you use an ORM to talk to your database?

[Mattia Peretti @mattperetti]

@khanahmad4527 Very powerful! I used it a few years ago

[Mattia Peretti @mattperetti]

@DrOracleAI Nice point of view. And you can parse your data in the way you want.