Opera Cloud — the complete, unedited output of the deterministic mcptrustchecker engine v1.9.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.9.0",
"methodologyVersion": "mcptrustchecker-1.9"
},
"target": {
"id": "opera-cloud-mcp",
"source": {
"kind": "package",
"origin": "opera-cloud-mcp"
},
"server": {
"name": "opera-cloud-mcp"
}
},
"grade": "A",
"score": {
"score": 92,
"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": "high",
"label": "capability blast radius (high) — client exposure if the model is manipulated",
"appliedPenalty": 6
},
{
"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-1.9"
},
"capability": {
"level": "high",
"reasons": [
"can execute shell commands or code"
],
"tags": [
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (55 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-SRC-002",
"title": "Shell/command execution in server code (opera_cloud_mcp/auth/security_middleware.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`opera_cloud_mcp/auth/security_middleware.py:71`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
"remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
"location": {
"kind": "server",
"name": "opera_cloud_mcp/auth/security_middleware.py"
},
"evidence": "r '1'='1\", \"exec(\", \"system(\", \"eval(\", \"base64_decode(\", }",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "opera_cloud_mcp/auth/security_middleware.py",
"line": 71,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (opera_cloud_mcp/cli.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`opera_cloud_mcp/cli.py:81`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
"remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
"location": {
"kind": "server",
"name": "opera_cloud_mcp/cli.py"
},
"evidence": "ipt is internal subprocess.Popen( # noqa: S603 - Safe usage with trusted executable path [sys.execu",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "opera_cloud_mcp/cli.py",
"line": 81,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"opera-cloud-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "opera-cloud-mcp"
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"opera-cloud-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": "opera-cloud-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "get_auth_status",
"tags": [],
"reasons": {}
},
{
"tool": "validate_auth_credentials",
"tags": [],
"reasons": {}
},
{
"tool": "get_server_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_guest_folio",
"tags": [],
"reasons": {}
},
{
"tool": "post_charge_to_room",
"tags": [],
"reasons": {}
},
{
"tool": "process_payment",
"tags": [],
"reasons": {}
},
{
"tool": "generate_folio_report",
"tags": [],
"reasons": {}
},
{
"tool": "transfer_charges",
"tags": [],
"reasons": {}
},
{
"tool": "void_transaction",
"tags": [],
"reasons": {}
},
{
"tool": "process_refund",
"tags": [],
"reasons": {}
},
{
"tool": "get_daily_revenue_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_outstanding_balances",
"tags": [],
"reasons": {}
},
{
"tool": "search_guests",
"tags": [],
"reasons": {}
},
{
"tool": "get_guest_profile",
"tags": [],
"reasons": {}
},
{
"tool": "create_guest_profile",
"tags": [],
"reasons": {}
},
{
"tool": "update_guest_profile",
"tags": [],
"reasons": {}
},
{
"tool": "get_guest_preferences",
"tags": [],
"reasons": {}
},
{
"tool": "update_guest_preferences",
"tags": [],
"reasons": {}
},
{
"tool": "get_guest_stay_history",
"tags": [],
"reasons": {}
},
{
"tool": "merge_guest_profiles",
"tags": [],
"reasons": {}
},
{
"tool": "get_guest_loyalty_info",
"tags": [],
"reasons": {}
},
{
"tool": "check_in_guest",
"tags": [],
"reasons": {}
},
{
"tool": "check_out_guest",
"tags": [],
"reasons": {}
},
{
"tool": "process_walk_in",
"tags": [],
"reasons": {}
},
{
"tool": "get_arrivals_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_departures_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_occupancy_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_no_show_report",
"tags": [],
"reasons": {}
},
{
"tool": "get_front_desk_summary",
"tags": [],
"reasons": {}
},
{
"tool": "assign_room",
"tags": [],
"reasons": {}
},
{
"tool": "get_in_house_guests",
"tags": [],
"reasons": {}
},
{
"tool": "create_activity_booking",
"tags": [],
"reasons": {}
},
{
"tool": "create_dining_reservation",
"tags": [],
"reasons": {}
},
{
"tool": "search_reservations",
"tags": [],
"reasons": {}
},
{
"tool": "get_reservation",
"tags": [],
"reasons": {}
},
{
"tool": "create_reservation",
"tags": [],
"reasons": {}
},
{
"tool": "modify_reservation",
"tags": [],
"reasons": {}
},
{
"tool": "cancel_reservation",
"tags": [],
"reasons": {}
},
{
"tool": "check_room_availability",
"tags": [],
"reasons": {}
},
{
"tool": "get_reservation_history",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_create_reservations",
"tags": [],
"reasons": {}
},
{
"tool": "get_bulk_operation_status",
"tags": [],
"reasons": {}
},
{
"tool": "get_reservation_client_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "get_room_status",
"tags": [],
"reasons": {}
},
{
"tool": "update_room_status",
"tags": [],
"reasons": {}
},
{
"tool": "get_housekeeping_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "create_housekeeping_task",
"tags": [],
"reasons": {}
},
{
"tool": "complete_housekeeping_task",
"tags": [],
"reasons": {}
},
{
"tool": "get_inventory_levels",
"tags": [],
"reasons": {}
},
{
"tool": "update_inventory",
"tags": [],
"reasons": {}
},
{
"tool": "get_room_inspection",
"tags": [],
"reasons": {}
},
{
"tool": "create_maintenance_request",
"tags": [],
"reasons": {}
},
{
"tool": "get_inventory_status",
"tags": [],
"reasons": {}
},
{
"tool": "update_inventory_stock",
"tags": [],
"reasons": {}
},
{
"tool": "get_cleaning_schedule",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "05aa67ffec3e9b3024af5d760edd783030f12dfc451e9d0988e82c6704b844ed",
"stats": {
"tools": 55,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 2,
"medium": 0,
"low": 0,
"info": 2
}
}
}