Paperless-NGX — 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": "paperless-ngx-mcp",
"source": {
"kind": "package",
"origin": "paperless-ngx-mcp"
},
"server": {
"name": "paperless-ngx-mcp"
}
},
"grade": "A",
"score": {
"score": 97,
"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": "source",
"label": "publisher verification (provenance) — cryptographic build provenance ties the artifact to its source",
"appliedPenalty": 0
},
{
"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)",
"can send data / act on an external service"
],
"tags": [
"untrusted-input",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (75 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-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([list_custom_fields, list_document_types, download_document, download_documents_bulk, list_tags]) co-exist with external-action tools ([create_workflow_action]). A prompt injection could cause unwanted external actions, though no direct sensitive-data leak path was found.",
"remediation": "Require confirmation for state-changing/egress actions triggered after processing untrusted content.",
"location": {
"kind": "flow",
"name": "list_custom_fields → create_workflow_action"
},
"evidence": "untrusted [list_custom_fields, list_document_types, download_document, download_documents_bulk, list_tags] → sinks [create_workflow_action]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"list_custom_fields",
"list_document_types",
"download_document",
"download_documents_bulk",
"list_tags"
],
"sinks": [
"create_workflow_action"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"list_custom_fields",
"list_document_types",
"download_document",
"download_documents_bulk",
"list_tags"
],
"sensitiveSource": [],
"externalSink": [
"create_workflow_action"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "list_correspondents",
"tags": [],
"reasons": {}
},
{
"tool": "get_correspondent",
"tags": [],
"reasons": {}
},
{
"tool": "create_correspondent",
"tags": [],
"reasons": {}
},
{
"tool": "update_correspondent",
"tags": [],
"reasons": {}
},
{
"tool": "delete_correspondent",
"tags": [],
"reasons": {}
},
{
"tool": "list_custom_fields",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_custom_field",
"tags": [],
"reasons": {}
},
{
"tool": "create_custom_field",
"tags": [],
"reasons": {}
},
{
"tool": "update_custom_field",
"tags": [],
"reasons": {}
},
{
"tool": "delete_custom_field",
"tags": [],
"reasons": {}
},
{
"tool": "edit_custom_fields_bulk",
"tags": [],
"reasons": {}
},
{
"tool": "list_document_types",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_document_type",
"tags": [],
"reasons": {}
},
{
"tool": "create_document_type",
"tags": [],
"reasons": {}
},
{
"tool": "update_document_type",
"tags": [],
"reasons": {}
},
{
"tool": "delete_document_type",
"tags": [],
"reasons": {}
},
{
"tool": "edit_documents_bulk",
"tags": [],
"reasons": {}
},
{
"tool": "post_document",
"tags": [],
"reasons": {}
},
{
"tool": "list_documents",
"tags": [],
"reasons": {}
},
{
"tool": "get_document",
"tags": [],
"reasons": {}
},
{
"tool": "get_document_content",
"tags": [],
"reasons": {}
},
{
"tool": "search_documents",
"tags": [],
"reasons": {}
},
{
"tool": "download_document",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "get_document_thumbnail",
"tags": [],
"reasons": {}
},
{
"tool": "update_document",
"tags": [],
"reasons": {}
},
{
"tool": "email_document",
"tags": [],
"reasons": {}
},
{
"tool": "get_document_history",
"tags": [],
"reasons": {}
},
{
"tool": "get_document_preview",
"tags": [],
"reasons": {}
},
{
"tool": "list_saved_views",
"tags": [],
"reasons": {}
},
{
"tool": "get_saved_view",
"tags": [],
"reasons": {}
},
{
"tool": "create_saved_view",
"tags": [],
"reasons": {}
},
{
"tool": "update_saved_view",
"tags": [],
"reasons": {}
},
{
"tool": "delete_saved_view",
"tags": [],
"reasons": {}
},
{
"tool": "list_share_links",
"tags": [],
"reasons": {}
},
{
"tool": "get_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "create_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "update_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "delete_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "list_document_share_links",
"tags": [],
"reasons": {}
},
{
"tool": "list_storage_paths",
"tags": [],
"reasons": {}
},
{
"tool": "get_storage_path",
"tags": [],
"reasons": {}
},
{
"tool": "create_storage_path",
"tags": [],
"reasons": {}
},
{
"tool": "update_storage_path",
"tags": [],
"reasons": {}
},
{
"tool": "delete_storage_path",
"tags": [],
"reasons": {}
},
{
"tool": "test_storage_path",
"tags": [],
"reasons": {}
},
{
"tool": "get_statistics",
"tags": [],
"reasons": {}
},
{
"tool": "get_document_suggestions",
"tags": [],
"reasons": {}
},
{
"tool": "get_document_metadata",
"tags": [],
"reasons": {}
},
{
"tool": "list_document_notes",
"tags": [],
"reasons": {}
},
{
"tool": "create_document_note",
"tags": [],
"reasons": {}
},
{
"tool": "delete_document_note",
"tags": [],
"reasons": {}
},
{
"tool": "delete_document",
"tags": [],
"reasons": {}
},
{
"tool": "list_trash",
"tags": [],
"reasons": {}
},
{
"tool": "restore_from_trash",
"tags": [],
"reasons": {}
},
{
"tool": "empty_trash",
"tags": [],
"reasons": {}
},
{
"tool": "search_autocomplete",
"tags": [],
"reasons": {}
},
{
"tool": "get_next_asn",
"tags": [],
"reasons": {}
},
{
"tool": "list_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "acknowledge_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "download_documents_bulk",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "list_tags",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_tag",
"tags": [],
"reasons": {}
},
{
"tool": "create_tag",
"tags": [],
"reasons": {}
},
{
"tool": "update_tag",
"tags": [],
"reasons": {}
},
{
"tool": "delete_tag",
"tags": [],
"reasons": {}
},
{
"tool": "list_workflow_actions",
"tags": [],
"reasons": {}
},
{
"tool": "get_workflow_action",
"tags": [],
"reasons": {}
},
{
"tool": "create_workflow_action",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "update_workflow_action",
"tags": [],
"reasons": {}
},
{
"tool": "delete_workflow_action",
"tags": [],
"reasons": {}
},
{
"tool": "list_workflow_triggers",
"tags": [],
"reasons": {}
},
{
"tool": "get_workflow_trigger",
"tags": [],
"reasons": {}
},
{
"tool": "create_workflow_trigger",
"tags": [],
"reasons": {}
},
{
"tool": "update_workflow_trigger",
"tags": [],
"reasons": {}
},
{
"tool": "delete_workflow_trigger",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "8bed35b8da4a192e99019d13fc8635f38faa32c58250fb1cc7818f703c72f714",
"stats": {
"tools": 75,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 0
}
}
}