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Dev tools · August 4, 2026

AP

Alcatraz – Pure-Go PII detection, 100x faster than MS Presidio

Hi HN, I'm Andrios, founder of hoop.dev (YC W21), we build runtime controls for agents. We just released Alcatraz. We built it because our product is written in Go and we do real time Data Masking, but we were using MS Presidio (Python) for PII detection and it made connections slow. There was a good discussion here a few months ago when OpenAI released their Privacy Filter: (https://news.ycombinator.com/item?id=47870901). A lot of questions were built into our design. Structured identifiers (credit cards, SSNs, etc) are deterministic and you can verify them with checksum.…

Alcatraz – Pure-Go PII detection, 100x faster than MS Presidio launched on August 4, 2026 with 6 votes, #1,590 of 23,274 launches that month and more than 75% of that year's launches.

Alternativestop 7% of August 2026

What it does

In the maker’s words, at launch

Hi HN, I'm Andrios, founder of hoop.dev (YC W21), we build runtime controls for agents. We just released Alcatraz. We built it because our product is written in Go and we do real time Data Masking, but we were using MS Presidio (Python) for PII detection and it made connections slow. There was a good discussion here…

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