DeepSec: Open Source Coding Security Harness Launches — CLI-First, Sandbox-Based for Large Repos

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A new open-source coding security harness called DeepSec launched with strong community reception (2,200+ likes, 696K views on X). The tool is CLI-first with sandbox-based scaling, supports pluggable coding agents, and is designed for large-scale repositories. It can use AI Gateway or direct subscriptions, positioning itself as a security layer for the growing ecosystem of autonomous coding agents operating on production codebases.