HoundDog.ai Static Code Scanner

What it does

HoundDog.ai static code scanner not only flags PII leaks in plaintext within logs, files, cookies, and tokens but also tracks data flows to third-party integrations, highlighting data processing agreement violations before they become production issues.

One deterministic graph from your codebase. Privacy Code Scanner for GDPR data mapping, RoPA evidence, PIA, and DPIA. Dataflow Context Engine for AI coding agents.

Two products on one engine. Privacy Code Scanner for proactive shift-left privacy and GDPR data mapping at dev speed. Dataflow Context Engine that maps every service, API, and field across monorepos and microservices, so AI coding agents run 5× faster and cheaper onfrom hounddog.ai

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  HoundDog.ai – Ultra-Fast Code Scanner for Data PrivacyFeb 2026 · github.com · ▲16

  Hi HN, I'm one of the creators of HoundDog.ai (https://github.com/hounddogai/hounddog). We currently handle privacy scanning for Replit's 45M+ creators. We built HoundDog because privacy compliance is usually a choice between manual spreadsheets or reactive runtime scanning. While runtime tools are useful for monitoring, they only catch leaks after the code is live and the data has already moved. They can also miss code paths that aren't actively triggered in production. HoundDog traces sensitive data in code during development and helps catch risky flows (e.g., PII…

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  Local Privacy Firewall-blocks PII and secrets before ChatGPT sees themDec 2025 · github.com · ▲111

  OP here. I built this because I recently caught myself almost pasting a block of logs containing AWS keys into Claude. The Problem: I need the reasoning capabilities of cloud models (GPT/Claude/Gemini), but I can't trust myself not to accidentally leak PII or secrets. The Solution: A Chrome extension that acts as a local middleware. It intercepts the prompt and runs a local BERT model (via a Python FastAPI backend) to scrub names, emails, and keys before the request leaves the browser. A few notes up front (to set expectations clearly): Everything runs 100% locally. Regex detection…

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