Domain Arrivals
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Featured in Domain Arrivals · 2026-08-16

Mock SAML IdP

mockidp.dev ↗ · Developer Corner · score 82.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free hosted SAML 2.0 identity provider for testing SSO without setting up a real tenant.

Why it surfaced

Mockidp.dev generates genuinely signed RSA-SHA256 assertions and gives each test domain its own issuer, metadata, and login URL. There is no provisioning, allowlist, container, or local key generation—just point an app at the endpoints and test.

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The 240-Material Organ

August 16’s newborn domains include a 240-material perfume organ, a repeatedly saved JPEG cat, a ski tracker designed by a 15-year-old, and a searchable page claiming to contain 148,303 prescription records.

This is one of 1,000 discoveries in the 2026-08-16 Domain Arrivals issue.

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