atx/registry

api.purplegrain.com

https://api.purplegrain.com/mcp

77
trust
0.55
confidence
low
risk
trust-2026-08-12.2
observed 2d ago

Why this score

oauth_metadata_present+14
mcp_requires_authentication+10
tls_present_and_valid+4
headers.missing_hsts-3
reachable+2

Findings (1)

lowNo Strict-Transport-Security header
headers.missing_hsts @ 1.0.0

Evidence (7)

TypeObservedSHA-256
dns_resolution_observation2d agoa7a7cec80e8bd22c…
http_response_observation2d ago3ba9d76d95333058…
availability_observation2d ago6f2b3f6fb8c2be94…
hosting_provider_observation2d agoe7292135d1d3f6bd…
tls_certificate_observation2d agod2eb8c9f8e47a60b…
oauth_metadata_observation2d ago2a2bb4ab2c78df58…
mcp_protocol_observation2d ago5f4c66c82509bed4…

Every record is append-only and content-hashed. Corrections supersede; nothing is overwritten.

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