# Replit adds an AI Security Agent to find and fix vulnerabilities

By Steven Van · 2026-04-21

Built on Semgrep and HoundDogAI, the tool pairs static analysis with AI scanning to cut false positives by 90%.

Replit added a Security Agent that scans apps for vulnerabilities and fixes them. It combines static analysis with AI scanning, working against a custom threat model and resolving issues in parallel, which the company says cuts false positives by 90%. The tool is built on Semgrep and HoundDogAI.

[View media](<https://video.twimg.com/amplify_video/2046650721131810816/vid/avc1/1260x720/cKdd2ME2bULP9M0u.mp4>)

![Replit](<https://creatorstoolbox.com/images/replit-icon.png>)

Replit

Browser-based IDE for 50+ languages with AI coding assistance, multiplayer editing, and instant deployments — zero setup, integrated hosting.

[View Replit →](<https://creatorstoolbox.com/tools/replit>)

[Read Replit adds an AI Security Agent to find and fix vulnerabilities on Creators Toolbox](<https://creatorstoolbox.com/blog/replit-replit-security-agent>)

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Canonical source: https://creatorstoolbox.com/blog/replit-replit-security-agent