0xmassi.dev
Valerio Massimiani

Valerio Massimiani

Developer turned founder.

I build software products, AI systems, and web-extraction infrastructure, and write about building them.

Building webclaw · Stik · Akari
Italy · remote
24y …

building

All projects

stack

Languages

  • Rust
  • TypeScript
  • Go
  • Swift
  • Python

Extraction & anti-bot

  • Web extraction
  • Browser automation
  • JA3 / JA4 impersonation
  • HTTP/2 (Akamai) impersonation
  • WAF & bot-detection bypass

AI & agents

  • LLMs
  • MCP servers
  • Claude Code skills
  • On-device ML

Backend & infra

  • PostgreSQL
  • Redis
  • Docker
  • Axum
  • Linux servers
  • Self-hosting

contributions

GitHub
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
3,589 contributions in the last yearLessMore

writing

All posts
newsletter

Build notes

What I'm building and what I got wrong, a few times a month. Unsubscribe anytime.