atx/registry

mailchimp.usefulapi.io

https://mailchimp.usefulapi.io/mcp

63
trust
0.55
confidence
medium
risk
trust-2026-08-12.2
observed 1d ago

Why this score

oauth_metadata_present+14
mcp.unauthenticated_consequential_tools-8
tls_present_and_valid+4
mcp_capabilities_discoverable+4
headers.missing_hsts-3
reachable+2

Findings (2)

mediumCapabilities are listable without authentication, including 3 whose names suggest state change (mailchimp_add_member, mailchimp_add_member_tags, mailchimp_update_member) — inferred from tool names, not confirmed
mcp.unauthenticated_consequential_tools @ 1.0.0
lowNo Strict-Transport-Security header
headers.missing_hsts @ 1.0.0

Evidence (8)

TypeObservedSHA-256
dns_resolution_observation1d ago50faeb19c41101d5…
http_response_observation1d agoc29e49e7641f0e2c…
availability_observation1d ago862439071788cd71…
hosting_provider_observation1d agoe7292135d1d3f6bd…
tls_certificate_observation1d agoe2e2d1bc2ed9b9c1…
oauth_metadata_observation1d agoe5c45f6f0b72d8ce…
mcp_protocol_observation1d ago6e9dc38f82118229…
mcp_capability_observation1d ago1bf04efd2cf5bd15…

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

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