Harden

Harden

Developer Tools

A security layer for AI coding agents

Harden AIF is a free, local security tool for AI coding agents. Its post-trained model checks tool calls before they run, using your request and session context. It beat frontier models on key agent-security benchmarks, while keeping your repo and tool output on your machine.

Harden is a Developer Tools company. It launched on Product Hunt on Sep 9, 2026, with 392 upvotes. Adamlead has 1 person on file at Harden.

Harden timeline

People at Harden

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Frequently asked questions

Who works at Harden?

Adamlead has 1 person on file at Harden, including Anurag (Maker). Each email shows whether it has been verified.