Google — 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": "@pegasusheavy/google-mcp",
"source": {
"kind": "package",
"origin": "@pegasusheavy/google-mcp"
},
"server": {
"name": "@pegasusheavy/google-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": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"can create, modify or delete files",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)",
"untrusted-input, sensitive-source and egress co-exist across tools (toxic-flow surface)"
],
"tags": [
"sensitive-source",
"untrusted-input",
"external-sink",
"file-write"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (130 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: drive_download_file ⇒ drive_list_files ⇒ chat_send_message. Untrusted input is ingested, private data is read, and it can be sent to an external sink — and at least one leg is a direct schema wire (⇒), where a producer's output drops straight into a free-text parameter of the next tool, so the chain needs little agent cooperation. 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": "drive_download_file → drive_list_files → chat_send_message"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"drive_download_file",
"gmail_get_unread"
],
"sources": [
"drive_list_files"
],
"sinks": [
"drive_upload_file",
"chat_send_message"
],
"path": [
"drive_download_file",
"drive_list_files",
"chat_send_message"
],
"edges": [
{
"from": "drive_download_file",
"to": "drive_list_files",
"kind": "schema-wired"
},
{
"from": "drive_list_files",
"to": "chat_send_message",
"kind": "schema-wired"
}
],
"wired": true
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"drive_delete_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"drive_delete_file\" can write, overwrite or delete files (keyword \"delete_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "drive_delete_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"drive_move_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"drive_move_file\" can write, overwrite or delete files (keyword \"move_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "drive_move_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"drive_delete_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"drive_delete_file\" 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": "drive_delete_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"drive_move_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"drive_move_file\" 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": "drive_move_file"
},
"data": {
"tags": [
"file-write"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"drive_download_file",
"gmail_get_unread"
],
"sensitiveSource": [
"drive_list_files"
],
"externalSink": [
"drive_upload_file",
"chat_send_message"
],
"selfContained": false,
"path": [
"drive_download_file",
"drive_list_files",
"chat_send_message"
],
"pathWired": true,
"description": "A cross-tool exfiltration chain exists: drive_download_file ⇒ drive_list_files ⇒ chat_send_message."
}
],
"capabilities": [
{
"tool": "google_auth",
"tags": [],
"reasons": {}
},
{
"tool": "google_auth_status",
"tags": [],
"reasons": {}
},
{
"tool": "google_auth_code",
"tags": [],
"reasons": {}
},
{
"tool": "google_logout",
"tags": [],
"reasons": {}
},
{
"tool": "drive_list_files",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"list_files\""
]
}
},
{
"tool": "drive_get_file",
"tags": [],
"reasons": {}
},
{
"tool": "drive_download_file",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "drive_upload_file",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"upload_file\""
]
}
},
{
"tool": "drive_delete_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"delete_file\" in tool name"
]
}
},
{
"tool": "drive_create_folder",
"tags": [],
"reasons": {}
},
{
"tool": "drive_search",
"tags": [],
"reasons": {}
},
{
"tool": "drive_move_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"move_file\" in tool name"
]
}
},
{
"tool": "drive_copy_file",
"tags": [],
"reasons": {}
},
{
"tool": "drive_rename_file",
"tags": [],
"reasons": {}
},
{
"tool": "docs_create",
"tags": [],
"reasons": {}
},
{
"tool": "docs_read",
"tags": [],
"reasons": {}
},
{
"tool": "docs_insert_text",
"tags": [],
"reasons": {}
},
{
"tool": "docs_append_text",
"tags": [],
"reasons": {}
},
{
"tool": "docs_replace_text",
"tags": [],
"reasons": {}
},
{
"tool": "docs_list",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_create",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_get",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_read",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_update",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_append",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_clear",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_add_sheet",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_delete_sheet",
"tags": [],
"reasons": {}
},
{
"tool": "sheets_list",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_list_tasklists",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_create_tasklist",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_delete_tasklist",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_list_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_create_task",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_update_task",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_delete_task",
"tags": [],
"reasons": {}
},
{
"tool": "tasks_complete_task",
"tags": [],
"reasons": {}
},
{
"tool": "notes_create",
"tags": [],
"reasons": {}
},
{
"tool": "notes_list",
"tags": [],
"reasons": {}
},
{
"tool": "notes_update",
"tags": [],
"reasons": {}
},
{
"tool": "notes_delete",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_list",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_get",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_list_events",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_get_event",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_create_event",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_update_event",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_delete_event",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_quick_add",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_get_freebusy",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_today",
"tags": [],
"reasons": {}
},
{
"tool": "calendar_upcoming",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_get_profile",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_list_labels",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_list_messages",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_get_message",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_send",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_reply",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_trash",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_mark_read",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_mark_unread",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_search",
"tags": [],
"reasons": {}
},
{
"tool": "gmail_get_unread",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_email\""
]
}
},
{
"tool": "gmail_get_thread",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_list",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_get",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_search",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_create",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_delete",
"tags": [],
"reasons": {}
},
{
"tool": "contacts_list_groups",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_search",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_get_video",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_get_channel",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_get_my_channel",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_list_playlists",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_get_playlist_items",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_get_video_comments",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_list_subscriptions",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_list_liked_videos",
"tags": [],
"reasons": {}
},
{
"tool": "youtube_rate_video",
"tags": [],
"reasons": {}
},
{
"tool": "slides_create",
"tags": [],
"reasons": {}
},
{
"tool": "slides_get",
"tags": [],
"reasons": {}
},
{
"tool": "slides_list",
"tags": [],
"reasons": {}
},
{
"tool": "slides_add_slide",
"tags": [],
"reasons": {}
},
{
"tool": "slides_delete_slide",
"tags": [],
"reasons": {}
},
{
"tool": "slides_add_text",
"tags": [],
"reasons": {}
},
{
"tool": "slides_add_image",
"tags": [],
"reasons": {}
},
{
"tool": "slides_replace_text",
"tags": [],
"reasons": {}
},
{
"tool": "slides_duplicate_slide",
"tags": [],
"reasons": {}
},
{
"tool": "forms_create",
"tags": [],
"reasons": {}
},
{
"tool": "forms_get",
"tags": [],
"reasons": {}
},
{
"tool": "forms_update_info",
"tags": [],
"reasons": {}
},
{
"tool": "forms_add_question",
"tags": [],
"reasons": {}
},
{
"tool": "forms_delete_item",
"tags": [],
"reasons": {}
},
{
"tool": "forms_list_responses",
"tags": [],
"reasons": {}
},
{
"tool": "forms_get_response",
"tags": [],
"reasons": {}
},
{
"tool": "forms_add_page_break",
"tags": [],
"reasons": {}
},
{
"tool": "forms_add_text",
"tags": [],
"reasons": {}
},
{
"tool": "forms_add_image",
"tags": [],
"reasons": {}
},
{
"tool": "forms_add_video",
"tags": [],
"reasons": {}
},
{
"tool": "chat_list_spaces",
"tags": [],
"reasons": {}
},
{
"tool": "chat_get_space",
"tags": [],
"reasons": {}
},
{
"tool": "chat_create_space",
"tags": [],
"reasons": {}
},
{
"tool": "chat_delete_space",
"tags": [],
"reasons": {}
},
{
"tool": "chat_list_messages",
"tags": [],
"reasons": {}
},
{
"tool": "chat_get_message",
"tags": [],
"reasons": {}
},
{
"tool": "chat_send_message",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_message\""
]
}
},
{
"tool": "chat_update_message",
"tags": [],
"reasons": {}
},
{
"tool": "chat_delete_message",
"tags": [],
"reasons": {}
},
{
"tool": "chat_list_members",
"tags": [],
"reasons": {}
},
{
"tool": "chat_add_member",
"tags": [],
"reasons": {}
},
{
"tool": "chat_remove_member",
"tags": [],
"reasons": {}
},
{
"tool": "chat_add_reaction",
"tags": [],
"reasons": {}
},
{
"tool": "meet_create_space",
"tags": [],
"reasons": {}
},
{
"tool": "meet_get_space",
"tags": [],
"reasons": {}
},
{
"tool": "meet_end_conference",
"tags": [],
"reasons": {}
},
{
"tool": "meet_schedule",
"tags": [],
"reasons": {}
},
{
"tool": "meet_create_instant",
"tags": [],
"reasons": {}
},
{
"tool": "meet_get_by_event",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_upcoming",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_conference_records",
"tags": [],
"reasons": {}
},
{
"tool": "meet_get_conference_record",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_participants",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_recordings",
"tags": [],
"reasons": {}
},
{
"tool": "meet_get_recording",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_transcripts",
"tags": [],
"reasons": {}
},
{
"tool": "meet_get_transcript",
"tags": [],
"reasons": {}
},
{
"tool": "meet_list_transcript_entries",
"tags": [],
"reasons": {}
},
{
"tool": "Authentication Status",
"tags": [],
"reasons": {}
},
{
"tool": "Credentials Path",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "1232feeb2d05e9516d9de970580511e67563d4a4171f34121afff624d7778a76",
"stats": {
"tools": 130,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 1,
"high": 0,
"medium": 2,
"low": 2,
"info": 0
}
}
}