Gcp — 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": "gcp-mcp",
"source": {
"kind": "package",
"origin": "gcp-mcp"
},
"server": {
"name": "gcp-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)",
"reads sensitive or local data"
],
"tags": [
"untrusted-input",
"sensitive-source"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (56 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-006",
"title": "Reads a sensitive credential path or dumps the environment (src/gcp_mcp/gcp_modules/auth/tools.py)",
"category": "exfiltration",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/gcp_mcp/gcp_modules/auth/tools.py:192`): Reading private keys / cloud credentials, or serializing the whole environment, is a sensitive-data source that becomes exfiltration when combined with any egress. 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": "src/gcp_mcp/gcp_modules/auth/tools.py"
},
"evidence": "= os.path.expanduser(\"~/.config/gcloud/credentials\") if os.path.isdir(credentials_dir):",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"data": {
"rule": "MTC-SRC-006",
"file": "src/gcp_mcp/gcp_modules/auth/tools.py",
"line": 192,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"gcp-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "gcp-mcp"
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"gcp-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": "gcp-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "auth_login",
"tags": [],
"reasons": {}
},
{
"tool": "auth_list",
"tags": [],
"reasons": {}
},
{
"tool": "auth_revoke",
"tags": [],
"reasons": {}
},
{
"tool": "config_set_project",
"tags": [],
"reasons": {}
},
{
"tool": "config_list",
"tags": [],
"reasons": {}
},
{
"tool": "get_billing_info",
"tags": [],
"reasons": {}
},
{
"tool": "list_compute_instances",
"tags": [],
"reasons": {}
},
{
"tool": "get_instance_details",
"tags": [],
"reasons": {}
},
{
"tool": "start_instance",
"tags": [],
"reasons": {}
},
{
"tool": "stop_instance",
"tags": [],
"reasons": {}
},
{
"tool": "list_machine_types",
"tags": [],
"reasons": {}
},
{
"tool": "list_disks",
"tags": [],
"reasons": {}
},
{
"tool": "create_instance",
"tags": [],
"reasons": {}
},
{
"tool": "delete_instance",
"tags": [],
"reasons": {}
},
{
"tool": "create_snapshot",
"tags": [],
"reasons": {}
},
{
"tool": "list_snapshots",
"tags": [],
"reasons": {}
},
{
"tool": "list_cloud_sql_instances",
"tags": [],
"reasons": {}
},
{
"tool": "get_sql_instance_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_databases",
"tags": [],
"reasons": {}
},
{
"tool": "create_backup",
"tags": [],
"reasons": {}
},
{
"tool": "list_firestore_databases",
"tags": [],
"reasons": {}
},
{
"tool": "list_firestore_collections",
"tags": [],
"reasons": {}
},
{
"tool": "list_deployment_manager_deployments",
"tags": [],
"reasons": {}
},
{
"tool": "get_deployment_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_cloud_build_triggers",
"tags": [],
"reasons": {}
},
{
"tool": "check_iam_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "list_roles",
"tags": [],
"reasons": {}
},
{
"tool": "get_role_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "list_service_accounts",
"tags": [],
"reasons": {}
},
{
"tool": "create_service_account",
"tags": [],
"reasons": {}
},
{
"tool": "add_iam_policy_binding",
"tags": [],
"reasons": {}
},
{
"tool": "list_gke_clusters",
"tags": [],
"reasons": {}
},
{
"tool": "get_cluster_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_node_pools",
"tags": [],
"reasons": {}
},
{
"tool": "resize_node_pool",
"tags": [],
"reasons": {}
},
{
"tool": "list_monitoring_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "get_monitoring_alerts",
"tags": [],
"reasons": {}
},
{
"tool": "create_alert_policy",
"tags": [],
"reasons": {}
},
{
"tool": "list_uptime_checks",
"tags": [],
"reasons": {}
},
{
"tool": "list_vpc_networks",
"tags": [],
"reasons": {}
},
{
"tool": "get_vpc_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_subnets",
"tags": [],
"reasons": {}
},
{
"tool": "create_firewall_rule",
"tags": [],
"reasons": {}
},
{
"tool": "list_firewall_rules",
"tags": [],
"reasons": {}
},
{
"tool": "list_gcp_services",
"tags": [],
"reasons": {}
},
{
"tool": "list_gcp_projects",
"tags": [],
"reasons": {}
},
{
"tool": "get_gcp_project_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_assets",
"tags": [],
"reasons": {}
},
{
"tool": "set_quota_project",
"tags": [],
"reasons": {}
},
{
"tool": "list_storage_buckets",
"tags": [],
"reasons": {}
},
{
"tool": "get_bucket_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_objects",
"tags": [],
"reasons": {}
},
{
"tool": "upload_object",
"tags": [],
"reasons": {}
},
{
"tool": "download_object",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "delete_object",
"tags": [],
"reasons": {}
},
{
"tool": "say_hello",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "11043f4efd6120cef1c47ede63902d2fc19611705b19a6738d43b500eb72372f",
"stats": {
"tools": 56,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 0,
"info": 2
}
}
}