Truenas — 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": "truenas-mcp",
"source": {
"kind": "package",
"origin": "truenas-mcp"
},
"server": {
"name": "truenas-mcp"
}
},
"grade": "B",
"score": {
"score": 89,
"threatScore": 100,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "client",
"term": "capability-exposure",
"level": "critical",
"label": "capability blast radius (critical) — client exposure if the model is manipulated",
"appliedPenalty": 10
},
{
"kind": "client",
"term": "verification-discount",
"level": "repo",
"label": "publisher verification (public source) — no provenance, but the source is public and inspectable",
"appliedPenalty": 1
},
{
"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": "critical",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)",
"can execute shell commands or code",
"untrusted-input, sensitive-source and egress co-exist across tools (toxic-flow surface)",
"untrusted input can reach code execution"
],
"tags": [
"untrusted-input",
"code-exec",
"sensitive-source"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (200 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-002",
"title": "Completed toxic-flow trifecta across tools",
"category": "exfiltration",
"severity": "critical",
"confidence": "strong",
"description": "This server (without client built-ins) exposes a complete data-exfiltration chain: reporting_graphs → cloudsync_list_directory → user_shell_choices. Untrusted input is ingested, private data is read, and it can be sent to an external sink via the agent composing the tools (→). Static analysis proves the primitive exists, not that a specific run will occur.",
"remediation": "Remove one leg of the trifecta: isolate untrusted-input tools from secret-reading tools and from egress tools, or require human approval between them.",
"location": {
"kind": "flow",
"name": "reporting_graphs → cloudsync_list_directory → user_shell_choices"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"update_download",
"reporting_graphs"
],
"sources": [
"cloudsync_list_directory"
],
"sinks": [
"user_shell_choices"
],
"path": [
"reporting_graphs",
"cloudsync_list_directory",
"user_shell_choices"
],
"edges": [
{
"from": "reporting_graphs",
"to": "cloudsync_list_directory",
"kind": "agent-mediated"
},
{
"from": "cloudsync_list_directory",
"to": "user_shell_choices",
"kind": "agent-mediated"
}
],
"wired": false
}
},
{
"ruleId": "MTC-CAP-001",
"title": "Tool \"user_shell_choices\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"user_shell_choices\" appears to run shell commands or evaluate code (keyword \"shell\" in tool name). Arbitrary execution driven by model input is one of the most dangerous MCP capabilities; combined with any untrusted input it becomes RCE.",
"remediation": "Sandbox execution, allowlist commands/arguments, and never pass model output to a shell unescaped.",
"location": {
"kind": "tool",
"name": "user_shell_choices"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"user_shell_choices\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"user_shell_choices\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "user_shell_choices"
},
"data": {
"tags": [
"code-exec"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"update_download",
"reporting_graphs"
],
"sensitiveSource": [
"cloudsync_list_directory"
],
"externalSink": [
"user_shell_choices"
],
"selfContained": false,
"path": [
"reporting_graphs",
"cloudsync_list_directory",
"user_shell_choices"
],
"pathWired": false,
"description": "A cross-tool exfiltration chain exists: reporting_graphs → cloudsync_list_directory → user_shell_choices."
}
],
"capabilities": [
{
"tool": "truenas",
"tags": [],
"reasons": {}
},
{
"tool": "alert_list",
"tags": [],
"reasons": {}
},
{
"tool": "alert_dismiss",
"tags": [],
"reasons": {}
},
{
"tool": "alert_restore",
"tags": [],
"reasons": {}
},
{
"tool": "alert_categories",
"tags": [],
"reasons": {}
},
{
"tool": "alert_policies",
"tags": [],
"reasons": {}
},
{
"tool": "alertservice_list",
"tags": [],
"reasons": {}
},
{
"tool": "alertservice_create",
"tags": [],
"reasons": {}
},
{
"tool": "alertservice_update",
"tags": [],
"reasons": {}
},
{
"tool": "alertservice_delete",
"tags": [],
"reasons": {}
},
{
"tool": "alertservice_test",
"tags": [],
"reasons": {}
},
{
"tool": "certificate_list",
"tags": [],
"reasons": {}
},
{
"tool": "certificate_get",
"tags": [],
"reasons": {}
},
{
"tool": "certificate_create",
"tags": [],
"reasons": {}
},
{
"tool": "certificate_delete",
"tags": [],
"reasons": {}
},
{
"tool": "certificate_acme_servers",
"tags": [],
"reasons": {}
},
{
"tool": "acme_dns_authenticator_list",
"tags": [],
"reasons": {}
},
{
"tool": "acme_dns_authenticator_create",
"tags": [],
"reasons": {}
},
{
"tool": "acme_dns_authenticator_delete",
"tags": [],
"reasons": {}
},
{
"tool": "update_check",
"tags": [],
"reasons": {}
},
{
"tool": "update_config",
"tags": [],
"reasons": {}
},
{
"tool": "update_config_set",
"tags": [],
"reasons": {}
},
{
"tool": "update_download",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "update_apply",
"tags": [],
"reasons": {}
},
{
"tool": "bootenv_list",
"tags": [],
"reasons": {}
},
{
"tool": "bootenv_create",
"tags": [],
"reasons": {}
},
{
"tool": "bootenv_activate",
"tags": [],
"reasons": {}
},
{
"tool": "bootenv_delete",
"tags": [],
"reasons": {}
},
{
"tool": "bootenv_keep",
"tags": [],
"reasons": {}
},
{
"tool": "boot_state",
"tags": [],
"reasons": {}
},
{
"tool": "boot_attach_disk",
"tags": [],
"reasons": {}
},
{
"tool": "boot_detach_disk",
"tags": [],
"reasons": {}
},
{
"tool": "boot_scrub",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_stat",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_listdir",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_mkdir",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_set_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_get_acl",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_set_acl",
"tags": [],
"reasons": {}
},
{
"tool": "filesystem_chown",
"tags": [],
"reasons": {}
},
{
"tool": "reporting_config",
"tags": [],
"reasons": {}
},
{
"tool": "reporting_graphs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "reporting_get_data",
"tags": [],
"reasons": {}
},
{
"tool": "directory_services_config",
"tags": [],
"reasons": {}
},
{
"tool": "directory_services_update",
"tags": [],
"reasons": {}
},
{
"tool": "directory_services_status",
"tags": [],
"reasons": {}
},
{
"tool": "directory_services_leave",
"tags": [],
"reasons": {}
},
{
"tool": "directory_services_cache_refresh",
"tags": [],
"reasons": {}
},
{
"tool": "kerberos_config",
"tags": [],
"reasons": {}
},
{
"tool": "kerberos_realm_list",
"tags": [],
"reasons": {}
},
{
"tool": "kerberos_keytab_list",
"tags": [],
"reasons": {}
},
{
"tool": "tunable_list",
"tags": [],
"reasons": {}
},
{
"tool": "tunable_create",
"tags": [],
"reasons": {}
},
{
"tool": "tunable_update",
"tags": [],
"reasons": {}
},
{
"tool": "tunable_delete",
"tags": [],
"reasons": {}
},
{
"tool": "ssh_config",
"tags": [],
"reasons": {}
},
{
"tool": "ssh_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "ftp_config",
"tags": [],
"reasons": {}
},
{
"tool": "ftp_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "snmp_config",
"tags": [],
"reasons": {}
},
{
"tool": "snmp_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "ups_config",
"tags": [],
"reasons": {}
},
{
"tool": "ups_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "privilege_list",
"tags": [],
"reasons": {}
},
{
"tool": "privilege_create",
"tags": [],
"reasons": {}
},
{
"tool": "privilege_update",
"tags": [],
"reasons": {}
},
{
"tool": "privilege_delete",
"tags": [],
"reasons": {}
},
{
"tool": "audit_query",
"tags": [],
"reasons": {}
},
{
"tool": "audit_config",
"tags": [],
"reasons": {}
},
{
"tool": "audit_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "truenas_api_call",
"tags": [],
"reasons": {}
},
{
"tool": "network_interface_list",
"tags": [],
"reasons": {}
},
{
"tool": "network_interface_get",
"tags": [],
"reasons": {}
},
{
"tool": "network_interface_create",
"tags": [],
"reasons": {}
},
{
"tool": "network_interface_update",
"tags": [],
"reasons": {}
},
{
"tool": "network_interface_delete",
"tags": [],
"reasons": {}
},
{
"tool": "network_config",
"tags": [],
"reasons": {}
},
{
"tool": "network_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "network_summary",
"tags": [],
"reasons": {}
},
{
"tool": "network_static_route_list",
"tags": [],
"reasons": {}
},
{
"tool": "network_static_route_create",
"tags": [],
"reasons": {}
},
{
"tool": "network_static_route_delete",
"tags": [],
"reasons": {}
},
{
"tool": "network_ipmi_info",
"tags": [],
"reasons": {}
},
{
"tool": "network_commit_changes",
"tags": [],
"reasons": {}
},
{
"tool": "network_rollback_changes",
"tags": [],
"reasons": {}
},
{
"tool": "network_checkin",
"tags": [],
"reasons": {}
},
{
"tool": "user_list",
"tags": [],
"reasons": {}
},
{
"tool": "user_get",
"tags": [],
"reasons": {}
},
{
"tool": "user_create",
"tags": [],
"reasons": {}
},
{
"tool": "user_update",
"tags": [],
"reasons": {}
},
{
"tool": "user_delete",
"tags": [],
"reasons": {}
},
{
"tool": "user_shell_choices",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"shell\" in tool name"
]
}
},
{
"tool": "user_set_password",
"tags": [],
"reasons": {}
},
{
"tool": "group_list",
"tags": [],
"reasons": {}
},
{
"tool": "group_get",
"tags": [],
"reasons": {}
},
{
"tool": "group_create",
"tags": [],
"reasons": {}
},
{
"tool": "group_update",
"tags": [],
"reasons": {}
},
{
"tool": "group_delete",
"tags": [],
"reasons": {}
},
{
"tool": "disk_list",
"tags": [],
"reasons": {}
},
{
"tool": "disk_get",
"tags": [],
"reasons": {}
},
{
"tool": "disk_update",
"tags": [],
"reasons": {}
},
{
"tool": "disk_wipe",
"tags": [],
"reasons": {}
},
{
"tool": "disk_temperatures",
"tags": [],
"reasons": {}
},
{
"tool": "disk_smart_test_list",
"tags": [],
"reasons": {}
},
{
"tool": "disk_smart_test_run",
"tags": [],
"reasons": {}
},
{
"tool": "replication_list",
"tags": [],
"reasons": {}
},
{
"tool": "replication_get",
"tags": [],
"reasons": {}
},
{
"tool": "replication_create",
"tags": [],
"reasons": {}
},
{
"tool": "replication_update",
"tags": [],
"reasons": {}
},
{
"tool": "replication_delete",
"tags": [],
"reasons": {}
},
{
"tool": "replication_run",
"tags": [],
"reasons": {}
},
{
"tool": "replication_restore",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_list",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_get",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_create",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_update",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_delete",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_run",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_abort",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_restore",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_providers",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_credentials_list",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_credentials_create",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_credentials_update",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_credentials_delete",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_credentials_verify",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_list_buckets",
"tags": [],
"reasons": {}
},
{
"tool": "cloudsync_list_directory",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"list_files\""
]
}
},
{
"tool": "cloud_backup_list",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_create",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_update",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_delete",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_run",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_abort",
"tags": [],
"reasons": {}
},
{
"tool": "cloud_backup_snapshots",
"tags": [],
"reasons": {}
},
{
"tool": "cronjob_list",
"tags": [],
"reasons": {}
},
{
"tool": "cronjob_create",
"tags": [],
"reasons": {}
},
{
"tool": "cronjob_update",
"tags": [],
"reasons": {}
},
{
"tool": "cronjob_delete",
"tags": [],
"reasons": {}
},
{
"tool": "cronjob_run",
"tags": [],
"reasons": {}
},
{
"tool": "rsync_task_list",
"tags": [],
"reasons": {}
},
{
"tool": "rsync_task_create",
"tags": [],
"reasons": {}
},
{
"tool": "rsync_task_update",
"tags": [],
"reasons": {}
},
{
"tool": "rsync_task_delete",
"tags": [],
"reasons": {}
},
{
"tool": "rsync_task_run",
"tags": [],
"reasons": {}
},
{
"tool": "initshutdown_list",
"tags": [],
"reasons": {}
},
{
"tool": "initshutdown_create",
"tags": [],
"reasons": {}
},
{
"tool": "initshutdown_update",
"tags": [],
"reasons": {}
},
{
"tool": "initshutdown_delete",
"tags": [],
"reasons": {}
},
{
"tool": "keychaincredential_list",
"tags": [],
"reasons": {}
},
{
"tool": "keychaincredential_create",
"tags": [],
"reasons": {}
},
{
"tool": "keychaincredential_delete",
"tags": [],
"reasons": {}
},
{
"tool": "keychaincredential_generate_ssh_key",
"tags": [],
"reasons": {}
},
{
"tool": "keychaincredential_remote_ssh_scan",
"tags": [],
"reasons": {}
},
{
"tool": "smb_share_list",
"tags": [],
"reasons": {}
},
{
"tool": "smb_share_get",
"tags": [],
"reasons": {}
},
{
"tool": "smb_share_create",
"tags": [],
"reasons": {}
},
{
"tool": "smb_share_update",
"tags": [],
"reasons": {}
},
{
"tool": "smb_share_delete",
"tags": [],
"reasons": {}
},
{
"tool": "smb_config",
"tags": [],
"reasons": {}
},
{
"tool": "smb_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_share_list",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_share_get",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_share_create",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_share_update",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_share_delete",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_config",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "nfs_client_count",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_global_config",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_global_config_update",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_target_list",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_target_create",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_target_update",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_target_delete",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_extent_list",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_extent_create",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_extent_update",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_extent_delete",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_portal_list",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_portal_create",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_portal_update",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_portal_delete",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_initiator_list",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_initiator_create",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_initiator_delete",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_targetextent_list",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_targetextent_create",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_targetextent_delete",
"tags": [],
"reasons": {}
},
{
"tool": "iscsi_sessions",
"tags": [],
"reasons": {}
},
{
"tool": "pool_list",
"tags": [],
"reasons": {}
},
{
"tool": "pool_get",
"tags": [],
"reasons": {}
},
{
"tool": "pool_create",
"tags": [],
"reasons": {}
},
{
"tool": "pool_update",
"tags": [],
"reasons": {}
},
{
"tool": "pool_status",
"tags": [],
"reasons": {}
},
{
"tool": "pool_scrub",
"tags": [],
"reasons": {}
},
{
"tool": "pool_export",
"tags": [],
"reasons": {}
},
{
"tool": "pool_attachments",
"tags": [],
"reasons": {}
},
{
"tool": "pool_get_disks",
"tags": [],
"reasons": {}
},
{
"tool": "pool_replace_disk",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "b14c19ca3c125d015859c142065655dab9e6f907baf86fa5831b666eef1d27b3",
"stats": {
"tools": 200,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 1,
"high": 1,
"medium": 0,
"low": 1,
"info": 0
}
}
}