Fleet — 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": "fleet-mcp",
"source": {
"kind": "package",
"origin": "fleet-mcp"
},
"server": {
"name": "fleet-mcp"
}
},
"grade": "A",
"score": {
"score": 93,
"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": "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": "high",
"reasons": [
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)",
"can execute shell commands or code"
],
"tags": [
"sensitive-source",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (85 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-004",
"title": "Sensitive-source and external-sink co-exist",
"category": "exfiltration",
"severity": "high",
"confidence": "strong",
"description": "Tools that read sensitive data ([fleet_get_query_results, fleet_query_host, fleet_query_host_by_identifier]) and tools that can send data out ([fleet_run_script]) are exposed together. An agent can move private data to the sink.",
"remediation": "Keep secret-reading and egress capabilities on separate, separately-approved servers.",
"location": {
"kind": "flow",
"name": "fleet_get_query_results → fleet_run_script"
},
"evidence": "sources [fleet_get_query_results, fleet_query_host, fleet_query_host_by_identifier] → sinks [fleet_run_script]",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"sources": [
"fleet_get_query_results",
"fleet_query_host",
"fleet_query_host_by_identifier"
],
"sinks": [
"fleet_run_script"
]
}
},
{
"ruleId": "MTC-CAP-001",
"title": "Tool \"fleet_run_script\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"fleet_run_script\" appears to run shell commands or evaluate code (keyword \"run_script\" 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": "fleet_run_script"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"fleet_run_script\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"fleet_run_script\" 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": "fleet_run_script"
},
"data": {
"tags": [
"code-exec"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "high",
"confidence": "strong",
"untrustedInput": [],
"sensitiveSource": [
"fleet_get_query_results",
"fleet_query_host",
"fleet_query_host_by_identifier"
],
"externalSink": [
"fleet_run_script"
],
"selfContained": false,
"path": [
"fleet_get_query_results",
"fleet_run_script"
],
"pathWired": false,
"description": "A sensitive-source → external-sink chain exists: fleet_get_query_results → fleet_run_script."
}
],
"capabilities": [
{
"tool": "fleet_list_activities",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_query_results",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"sql_query\""
]
}
},
{
"tool": "fleet_list_async_queries",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_cancel_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_custom_variables",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_create_custom_variable",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_custom_variable",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_hosts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_search_hosts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_by_identifier",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_host_upcoming_activities",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_host_past_activities",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_mdm",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_host_certificates",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_macadmins",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_device_mapping",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_encryption_key",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_query_host",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"sql_query\""
]
}
},
{
"tool": "fleet_query_host_by_identifier",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"sql_query\""
]
}
},
{
"tool": "fleet_delete_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_transfer_hosts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_cancel_host_activity",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_lock_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_unlock_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_unenroll_host_mdm",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_add_labels_to_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_remove_labels_from_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_refetch_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_mdm_commands",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_mdm_command_results",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_mdm_profiles",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_mdm_profiles",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_mdm_profiles_summary",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_filevault_summary",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_mdm_devices",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_bootstrap_metadata",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_bootstrap_summary",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_setup_assistant",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_mdm_apple_installers",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_upload_mdm_profile",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_mdm_profile",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_lock_device",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_upload_bootstrap_package",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_bootstrap_package",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_create_setup_assistant",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_setup_assistant",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_upload_mdm_apple_installer",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_queries",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_query_report",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_create_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_run_saved_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_run_live_query_with_results",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_scripts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_script_result",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_batch_scripts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_batch_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_batch_script_hosts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_host_scripts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_run_script",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"run_script\" in tool name"
]
}
},
{
"tool": "fleet_run_batch_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_cancel_batch_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_create_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_modify_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_delete_script",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_host_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_vulnerabilities",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_cve",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_search_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_find_software_on_host",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_software_install_result",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_software_titles",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_software_title",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_install_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_batch_set_software",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_osquery_tables",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_osquery_table_schema",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_suggest_tables_for_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_users",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_user",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "3475834a4a847c8b8dcb6f434d174edce012c9a5f84006ff726464b12fa00138",
"stats": {
"tools": 85,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 2,
"medium": 0,
"low": 1,
"info": 0
}
}
}