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PromptSign

Sigstore signing and verification for AI instruction files

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Know who published the skills, agents and CLAUDE.md / AGENTS.md files your AI runs — and that not one byte has changed. Sign and verify in your browser.

PromptSign.ai — Code signing for AI skills and agents here, so this page makes no third-party requests at all. That is deliberate: /verify claims to run entirely offline and invites readers to confirm it in devtools, and any third-party host in that request list would undercut the claim. Grepping the build output for a font CDN hostname should return nothing, so please keep one out of this comment. --> PromptSign Sign Verify Docs Directory Integrate GitHub ↗ PKI for AI instruction files Sign the prompts your agents obey. Know who published the skills, agents, and CLAUDE.md / AGENTS.md files yo

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