Opskit

Small digital kits for people who run real systems. Built for humans and for the agents that help them. Buy once on Polar, download the files, use them on systems you administer.

Products

Email Auth Baseline $9

Expected-state checks for SPF, DKIM, DMARC, MTA-STS, and TLS-RPT. Validate-only.

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M365 Hardening $29

Control-to-assertion map for Microsoft 365 plus a validate-only OpenAPI stub. Graph readonly. No silent tenant writes.

Buy on Polar

Principles