Icloud — the complete, unedited output of the deterministic mcptrustchecker engine v1.13.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.13.0",
"methodologyVersion": "mcptrustchecker-1.13"
},
"target": {
"id": "icloud-mcp",
"source": {
"kind": "package",
"origin": "icloud-mcp"
},
"server": {
"name": "icloud-mcp"
}
},
"grade": "A",
"score": {
"score": 95,
"threatScore": 100,
"grade": "A",
"band": "A",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "client",
"term": "capability-exposure",
"level": "moderate",
"label": "capability blast radius (moderate) — client exposure if the model is manipulated",
"appliedPenalty": 3
},
{
"kind": "client",
"term": "verification-discount",
"level": "none",
"label": "publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read",
"appliedPenalty": 2
},
{
"kind": "client",
"term": "coverage-honesty",
"level": "source",
"label": "inspection depth (source) — how much of the target the scan could see",
"appliedPenalty": 0
}
],
"gatesFired": [],
"methodologyVersion": "mcptrustchecker-1.13"
},
"capability": {
"level": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service"
],
"tags": [
"untrusted-input",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (70 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command \"npx -y <package>\"."
]
},
"findings": [
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([get_unread_senders, read_inbox, get_attachment, mark_older_than_read, suggest_event_from_email]) co-exist with external-action tools ([forward_email]). A prompt injection could cause unwanted external actions, though no direct sensitive-data leak path was found.",
"remediation": "Require confirmation for state-changing/egress actions triggered after processing untrusted content.",
"location": {
"kind": "flow",
"name": "get_unread_senders → forward_email"
},
"evidence": "untrusted [get_unread_senders, read_inbox, get_attachment, mark_older_than_read, suggest_event_from_email] → sinks [forward_email]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_unread_senders",
"read_inbox",
"get_attachment",
"mark_older_than_read",
"suggest_event_from_email"
],
"sinks": [
"forward_email"
]
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"icloud-mcp\" declares no repository URL, so its published artifact cannot be compared against reviewable source.",
"remediation": "Prefer packages that link to public, reviewable source.",
"location": {
"kind": "package",
"name": "icloud-mcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_unread_senders",
"read_inbox",
"get_attachment",
"mark_older_than_read",
"suggest_event_from_email"
],
"sensitiveSource": [],
"externalSink": [
"forward_email"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "icloud-mail",
"tags": [],
"reasons": {}
},
{
"tool": "list_accounts",
"tags": [],
"reasons": {}
},
{
"tool": "get_inbox_summary",
"tags": [],
"reasons": {}
},
{
"tool": "get_mailbox_summary",
"tags": [],
"reasons": {}
},
{
"tool": "get_top_senders",
"tags": [],
"reasons": {}
},
{
"tool": "get_unread_senders",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_email\""
]
}
},
{
"tool": "get_emails_by_sender",
"tags": [],
"reasons": {}
},
{
"tool": "read_inbox",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_email\""
]
}
},
{
"tool": "get_email",
"tags": [],
"reasons": {}
},
{
"tool": "search_emails",
"tags": [],
"reasons": {}
},
{
"tool": "count_emails",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_move",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_delete",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_flag",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_delete_by_sender",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_move_by_sender",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_delete_by_subject",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_mark_read",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_mark_unread",
"tags": [],
"reasons": {}
},
{
"tool": "delete_older_than",
"tags": [],
"reasons": {}
},
{
"tool": "get_emails_by_date_range",
"tags": [],
"reasons": {}
},
{
"tool": "flag_email",
"tags": [],
"reasons": {}
},
{
"tool": "mark_as_read",
"tags": [],
"reasons": {}
},
{
"tool": "delete_email",
"tags": [],
"reasons": {}
},
{
"tool": "move_email",
"tags": [],
"reasons": {}
},
{
"tool": "list_mailboxes",
"tags": [],
"reasons": {}
},
{
"tool": "create_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "rename_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "delete_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "empty_trash",
"tags": [],
"reasons": {}
},
{
"tool": "get_move_status",
"tags": [],
"reasons": {}
},
{
"tool": "abandon_move",
"tags": [],
"reasons": {}
},
{
"tool": "log_write",
"tags": [],
"reasons": {}
},
{
"tool": "log_read",
"tags": [],
"reasons": {}
},
{
"tool": "log_clear",
"tags": [],
"reasons": {}
},
{
"tool": "list_attachments",
"tags": [],
"reasons": {}
},
{
"tool": "get_attachment",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "get_unsubscribe_info",
"tags": [],
"reasons": {}
},
{
"tool": "mark_older_than_read",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_email\""
]
}
},
{
"tool": "bulk_move_by_domain",
"tags": [],
"reasons": {}
},
{
"tool": "get_email_raw",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_flag_by_sender",
"tags": [],
"reasons": {}
},
{
"tool": "archive_older_than",
"tags": [],
"reasons": {}
},
{
"tool": "get_storage_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_thread",
"tags": [],
"reasons": {}
},
{
"tool": "create_rule",
"tags": [],
"reasons": {}
},
{
"tool": "list_rules",
"tags": [],
"reasons": {}
},
{
"tool": "run_rule",
"tags": [],
"reasons": {}
},
{
"tool": "delete_rule",
"tags": [],
"reasons": {}
},
{
"tool": "run_all_rules",
"tags": [],
"reasons": {}
},
{
"tool": "compose_email",
"tags": [],
"reasons": {}
},
{
"tool": "reply_to_email",
"tags": [],
"reasons": {}
},
{
"tool": "forward_email",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"forward_email\""
]
}
},
{
"tool": "save_draft",
"tags": [],
"reasons": {}
},
{
"tool": "get_digest_state",
"tags": [],
"reasons": {}
},
{
"tool": "update_digest_state",
"tags": [],
"reasons": {}
},
{
"tool": "list_contacts",
"tags": [],
"reasons": {}
},
{
"tool": "search_contacts",
"tags": [],
"reasons": {}
},
{
"tool": "get_contact",
"tags": [],
"reasons": {}
},
{
"tool": "create_contact",
"tags": [],
"reasons": {}
},
{
"tool": "update_contact",
"tags": [],
"reasons": {}
},
{
"tool": "delete_contact",
"tags": [],
"reasons": {}
},
{
"tool": "list_calendars",
"tags": [],
"reasons": {}
},
{
"tool": "list_events",
"tags": [],
"reasons": {}
},
{
"tool": "get_event",
"tags": [],
"reasons": {}
},
{
"tool": "create_event",
"tags": [],
"reasons": {}
},
{
"tool": "update_event",
"tags": [],
"reasons": {}
},
{
"tool": "delete_event",
"tags": [],
"reasons": {}
},
{
"tool": "search_events",
"tags": [],
"reasons": {}
},
{
"tool": "suggest_event_from_email",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
}
],
"surfaceDigest": "1cccdc4e341b82fb2decfd93add7b3366442c3ab8e55f7adebac155349b5db3d",
"stats": {
"tools": 70,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 1
}
}
}