Nevent — 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": "mcp-nevent",
"source": {
"kind": "package",
"origin": "mcp-nevent"
},
"server": {
"name": "mcp-nevent"
}
},
"grade": "A",
"score": {
"score": 94,
"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": "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": "high",
"reasons": [
"can send data / act on an external service",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)"
],
"tags": [
"external-sink",
"sensitive-source"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (59 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 ([nevent_list_campaign_recipients]) and tools that can send data out ([nevent_create_campaign, nevent_get_sending_profile]) 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": "nevent_list_campaign_recipients → nevent_create_campaign"
},
"evidence": "sources [nevent_list_campaign_recipients] → sinks [nevent_create_campaign, nevent_get_sending_profile]",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"sources": [
"nevent_list_campaign_recipients"
],
"sinks": [
"nevent_create_campaign",
"nevent_get_sending_profile"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "high",
"confidence": "strong",
"untrustedInput": [],
"sensitiveSource": [
"nevent_list_campaign_recipients"
],
"externalSink": [
"nevent_create_campaign",
"nevent_get_sending_profile"
],
"selfContained": false,
"path": [
"nevent_list_campaign_recipients",
"nevent_create_campaign"
],
"pathWired": false,
"description": "A sensitive-source → external-sink chain exists: nevent_list_campaign_recipients → nevent_create_campaign."
}
],
"capabilities": [
{
"tool": "nevent_analytics_query",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_analytics_capabilities",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_analytics_table_schema",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_analytics_filter_values",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_campaign_report",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_segmentation_criteria",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_segment_preview",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_segment_execute",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_dimension_values",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_create_campaign",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "nevent_schedule_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_quote_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_campaign_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_campaign_recipients",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"dump\""
]
}
},
{
"tool": "nevent_list_campaigns",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_campaign_insights",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_sending_profile",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "nevent_get_suppressions_summary",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_help",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_upload_image",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_images",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_delete_image",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_paid_ads_status",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_paid_ads_health",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_paid_campaigns",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_paid_campaign_insights",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_paid_attribution",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_paid_ad_groups",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_paid_ad_group_insights",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_paid_ad_group_comparative_stats",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_paid_ad_group_targeting",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_paid_ads",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_paid_ad_creative",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_segments",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_segment",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_create_segment",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_update_segment",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_short_urls",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_short_url",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_short_url_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_short_url_campaign_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_short_url_clicks",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_short_url_user_links",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_create_short_url",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_update_short_url",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_create_bulk_user_short_urls",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_short_url_destinations",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_templates",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_get_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_create_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_update_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_clone_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_rename_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_preview_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_send_test_template",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_list_tenants",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_switch_tenant",
"tags": [],
"reasons": {}
},
{
"tool": "nevent_reset_tenant",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "179678c09cdb2412baf21e49a93a46237f98141c737f67ae0089f3bbc6e4f0f4",
"stats": {
"tools": 59,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 0,
"info": 0
}
}
}