mercoa.usefulapi.io
https://mercoa.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)
| medium | Capabilities are listable without authentication, including 7 whose names suggest state change (mercoa_add_invoice_comment, mercoa_create_entity, mercoa_create_invoice, …) — inferred from tool names, not confirmed mcp.unauthenticated_consequential_tools @ 1.0.0 |
| low | No Strict-Transport-Security header headers.missing_hsts @ 1.0.0 |
Evidence (8)
| Type | Observed | SHA-256 |
|---|---|---|
| dns_resolution_observation | 1d ago | d0acea33569d232f… |
| http_response_observation | 1d ago | 6d1286c22df72ca4… |
| availability_observation | 1d ago | 07b0d97216ebf36f… |
| hosting_provider_observation | 1d ago | e7292135d1d3f6bd… |
| tls_certificate_observation | 1d ago | 45acb580c6a0c1f9… |
| oauth_metadata_observation | 1d ago | a6606b116af29247… |
| mcp_protocol_observation | 1d ago | 78da57d27c25fb07… |
| mcp_capability_observation | 1d ago | 4b3a58ffef09094a… |
Every record is append-only and content-hashed. Corrections supersede; nothing is overwritten.
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