The402 — 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": "@the402/mcp-server",
"source": {
"kind": "package",
"origin": "@the402/mcp-server"
},
"server": {
"name": "@the402/mcp-server"
}
},
"grade": "A",
"score": {
"score": 96,
"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": "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": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service"
],
"tags": [
"external-sink",
"untrusted-input"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (41 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 ([browse_products, purchase_product, list_requests, list_plans]) co-exist with external-action tools ([update_profile, subscribe_request_notifications, unsubscribe_request_notifications, send_message]). 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": "browse_products → update_profile"
},
"evidence": "untrusted [browse_products, purchase_product, list_requests, list_plans] → sinks [update_profile, subscribe_request_notifications, unsubscribe_request_notificat",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"browse_products",
"purchase_product",
"list_requests",
"list_plans"
],
"sinks": [
"update_profile",
"subscribe_request_notifications",
"unsubscribe_request_notifications",
"send_message"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"browse_products",
"purchase_product",
"list_requests",
"list_plans"
],
"sensitiveSource": [],
"externalSink": [
"update_profile",
"subscribe_request_notifications",
"unsubscribe_request_notifications",
"send_message"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "get_participant",
"tags": [],
"reasons": {}
},
{
"tool": "update_profile",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "register_agent",
"tags": [],
"reasons": {}
},
{
"tool": "check_balance",
"tags": [],
"reasons": {}
},
{
"tool": "balance_history",
"tags": [],
"reasons": {}
},
{
"tool": "provider_earnings",
"tags": [],
"reasons": {}
},
{
"tool": "search_catalog",
"tags": [],
"reasons": {}
},
{
"tool": "get_service",
"tags": [],
"reasons": {}
},
{
"tool": "get_platform_info",
"tags": [],
"reasons": {}
},
{
"tool": "browse_products",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "list_purchases",
"tags": [],
"reasons": {}
},
{
"tool": "manage_product",
"tags": [],
"reasons": {}
},
{
"tool": "purchase_service",
"tags": [],
"reasons": {}
},
{
"tool": "purchase_product",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "referrals",
"tags": [],
"reasons": {}
},
{
"tool": "list_requests",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "get_request",
"tags": [],
"reasons": {}
},
{
"tool": "post_request",
"tags": [],
"reasons": {}
},
{
"tool": "bid_on_request",
"tags": [],
"reasons": {}
},
{
"tool": "list_request_bids",
"tags": [],
"reasons": {}
},
{
"tool": "accept_bid",
"tags": [],
"reasons": {}
},
{
"tool": "cancel_request",
"tags": [],
"reasons": {}
},
{
"tool": "subscribe_request_notifications",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "get_request_notification_status",
"tags": [],
"reasons": {}
},
{
"tool": "unsubscribe_request_notifications",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "create_service",
"tags": [],
"reasons": {}
},
{
"tool": "update_service",
"tags": [],
"reasons": {}
},
{
"tool": "delete_service",
"tags": [],
"reasons": {}
},
{
"tool": "list_plans",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "subscribe_to_plan",
"tags": [],
"reasons": {}
},
{
"tool": "manage_subscription",
"tags": [],
"reasons": {}
},
{
"tool": "create_plan",
"tags": [],
"reasons": {}
},
{
"tool": "manage_plan",
"tags": [],
"reasons": {}
},
{
"tool": "inquire_service",
"tags": [],
"reasons": {}
},
{
"tool": "list_threads",
"tags": [],
"reasons": {}
},
{
"tool": "get_thread",
"tags": [],
"reasons": {}
},
{
"tool": "send_message",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_message\""
]
}
},
{
"tool": "propose_price",
"tags": [],
"reasons": {}
},
{
"tool": "accept_proposal",
"tags": [],
"reasons": {}
},
{
"tool": "verify_delivery",
"tags": [],
"reasons": {}
},
{
"tool": "decline_thread",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "a23b4c1d6e526568c5fa135a10d307ffe3c1246214d55b61dd2d179ae385400e",
"stats": {
"tools": 41,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 0
}
}
}