Google Compute Engine — 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": "https://compute.googleapis.com/mcp",
"source": {
"kind": "http",
"origin": "https://compute.googleapis.com/mcp"
},
"server": {
"name": "StatelessServer",
"version": "ESF"
}
},
"grade": "C",
"score": {
"score": 72,
"threatScore": 72,
"grade": "C",
"band": "C",
"categorySubtotals": {
"injection": 28.49,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-INJ-ENC-2",
"category": "injection",
"severity": "high",
"confidence": "strong",
"rawWeight": 22,
"confidenceMult": 0.7,
"diminishingFactor": 1,
"appliedPenalty": 15.4
},
{
"kind": "threat",
"ruleId": "MTC-INJ-ENC-2",
"category": "injection",
"severity": "high",
"confidence": "strong",
"rawWeight": 22,
"confidenceMult": 0.7,
"diminishingFactor": 0.5,
"appliedPenalty": 7.7
},
{
"kind": "threat",
"ruleId": "MTC-INJ-ENC-2",
"category": "injection",
"severity": "high",
"confidence": "strong",
"rawWeight": 22,
"confidenceMult": 0.7,
"diminishingFactor": 0.25,
"appliedPenalty": 3.85
},
{
"kind": "threat",
"ruleId": "MTC-INJ-ENC-2",
"category": "injection",
"severity": "high",
"confidence": "strong",
"rawWeight": 22,
"confidenceMult": 0.7,
"diminishingFactor": 0.1,
"appliedPenalty": 1.54
},
{
"kind": "client",
"term": "capability-exposure",
"level": "minimal",
"label": "capability blast radius (minimal) — client exposure if the model is manipulated",
"appliedPenalty": 0
},
{
"kind": "client",
"term": "coverage-honesty",
"level": "live",
"label": "inspection depth (live) — how much of the target the scan could see",
"appliedPenalty": 0
}
],
"gatesFired": [],
"methodologyVersion": "mcptrustchecker-1.13"
},
"capability": {
"level": "minimal",
"reasons": [],
"tags": []
},
"coverage": {
"level": "live",
"inputs": {
"toolSurface": true,
"implementationSource": false,
"packageMetadata": false,
"liveTransport": true
},
"caveats": []
},
"findings": [
{
"ruleId": "MTC-INJ-ENC-2",
"title": "Encoded blob paired with a decode/execute instruction",
"category": "injection",
"severity": "high",
"confidence": "strong",
"description": "A long base64-looking blob appears alongside a decode/execute instruction — a common way to hide a payload from reviewers.",
"location": {
"kind": "tool",
"name": "list_instance_attached_disks",
"field": "outputSchema.$defs.CustomerEncryptionKey.properties.rawKey.description"
},
"evidence": "[DEPRECATED] CSEK is no longer supported. Use CMEK instead. Specifies a 256-bit customer-supplied encryption key </compute/docs/disks/customer-supplied-encrypti",
"owasp": "LLM01:2025 Prompt Injection"
},
{
"ruleId": "MTC-INJ-ENC-2",
"title": "Encoded blob paired with a decode/execute instruction",
"category": "injection",
"severity": "high",
"confidence": "strong",
"description": "A long base64-looking blob appears alongside a decode/execute instruction — a common way to hide a payload from reviewers.",
"location": {
"kind": "tool",
"name": "list_instance_attached_disks",
"field": "outputSchema.$defs.CustomerEncryptionKey.properties.rsaEncryptedKey.description"
},
"evidence": "[DEPRECATED] CSEK is no longer supported. Use CMEK instead. Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key </comput",
"owasp": "LLM01:2025 Prompt Injection"
},
{
"ruleId": "MTC-INJ-ENC-2",
"title": "Encoded blob paired with a decode/execute instruction",
"category": "injection",
"severity": "high",
"confidence": "strong",
"description": "A long base64-looking blob appears alongside a decode/execute instruction — a common way to hide a payload from reviewers.",
"location": {
"kind": "tool",
"name": "get_instance_template_properties",
"field": "outputSchema.$defs.CustomerEncryptionKey.properties.rawKey.description"
},
"evidence": "[DEPRECATED] CSEK is no longer supported. Use CMEK instead. Specifies a 256-bit customer-supplied encryption key </compute/docs/disks/customer-supplied-encrypti",
"owasp": "LLM01:2025 Prompt Injection"
},
{
"ruleId": "MTC-INJ-ENC-2",
"title": "Encoded blob paired with a decode/execute instruction",
"category": "injection",
"severity": "high",
"confidence": "strong",
"description": "A long base64-looking blob appears alongside a decode/execute instruction — a common way to hide a payload from reviewers.",
"location": {
"kind": "tool",
"name": "get_instance_template_properties",
"field": "outputSchema.$defs.CustomerEncryptionKey.properties.rsaEncryptedKey.description"
},
"evidence": "[DEPRECATED] CSEK is no longer supported. Use CMEK instead. Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key </comput",
"owasp": "LLM01:2025 Prompt Injection"
},
{
"ruleId": "MTC-NET-005",
"title": "Remote HTTP MCP endpoint",
"category": "network",
"severity": "info",
"confidence": "strong",
"description": "Remote endpoint compute.googleapis.com. MCP Trust Checker does not test server-side authentication/authorization; verify the endpoint requires auth.",
"location": {
"kind": "transport"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "create_instance",
"tags": [],
"reasons": {}
},
{
"tool": "delete_instance",
"tags": [],
"reasons": {}
},
{
"tool": "start_instance",
"tags": [],
"reasons": {}
},
{
"tool": "stop_instance",
"tags": [],
"reasons": {}
},
{
"tool": "reset_instance",
"tags": [],
"reasons": {}
},
{
"tool": "get_instance_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "set_instance_machine_type",
"tags": [],
"reasons": {}
},
{
"tool": "list_instance_attached_disks",
"tags": [],
"reasons": {}
},
{
"tool": "list_instances",
"tags": [],
"reasons": {}
},
{
"tool": "get_instance_group_manager_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "list_instance_group_managers",
"tags": [],
"reasons": {}
},
{
"tool": "list_managed_instances",
"tags": [],
"reasons": {}
},
{
"tool": "list_instance_templates",
"tags": [],
"reasons": {}
},
{
"tool": "get_instance_template_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_instance_template_properties",
"tags": [],
"reasons": {}
},
{
"tool": "get_disk_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_disk_performance_config",
"tags": [],
"reasons": {}
},
{
"tool": "list_disks",
"tags": [],
"reasons": {}
},
{
"tool": "list_accelerator_types",
"tags": [],
"reasons": {}
},
{
"tool": "list_machine_types",
"tags": [],
"reasons": {}
},
{
"tool": "list_images",
"tags": [],
"reasons": {}
},
{
"tool": "get_zone_operation",
"tags": [],
"reasons": {}
},
{
"tool": "get_reservation_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_reservation_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_reservations",
"tags": [],
"reasons": {}
},
{
"tool": "list_commitments",
"tags": [],
"reasons": {}
},
{
"tool": "get_commitment_basic_info",
"tags": [],
"reasons": {}
},
{
"tool": "list_commitment_reservations",
"tags": [],
"reasons": {}
},
{
"tool": "list_snapshots",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "82b7cbbe09f73ef011aabb9b4fbecc2c7a646fec41a09b81e6c01e4e197b72b0",
"stats": {
"tools": 29,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 4,
"medium": 0,
"low": 0,
"info": 1
}
}
}