Thu, Sep 10 06:20 PM

Show HN: PromptSign – Sigstore signing and verification for AI instruction files

Hacker News•Thu, Sep 10, 2026, 06:03 PM•2 min read

I built PromptSign after finding some useful-looking AI skills on the Internet and realizing I couldn't really know where they came from. In particular, I could not answer: 1) Who created the skill? 2) Is what I'm invoking right now really what I installed in the first place?

Source: [Hacker News](https://promptsign.ai/)

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#tech #promptsign #files #really #skill #show #sigstore #signing #verification

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