Assistantmail — the complete, unedited output of the deterministic mcptrustchecker engine v1.8.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.8.0",
"methodologyVersion": "mcptrustchecker-1.8"
},
"target": {
"id": "@assistantmail/assistantmail-mcp",
"source": {
"kind": "package",
"origin": "@assistantmail/assistantmail-mcp"
},
"server": {
"name": "@assistantmail/assistantmail-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-1.8"
},
"capability": {
"level": "moderate",
"reasons": [
"can send data / act on an external service"
],
"tags": [
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (22 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": [],
"toxicFlows": [],
"capabilities": [
{
"tool": "assistantmail_health",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_me",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_inbound_policy",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_update_inbound_policy",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_create_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_list_mailboxes",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_update_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_delete_mailbox",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_list_messages",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_message",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_send_email",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "assistantmail_reply_message",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_delete_messages",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_usage",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_list_recipients",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_add_recipient",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_remove_recipient",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_send_email_reference",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "assistantmail_list_messages_reference",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_message_reference",
"tags": [],
"reasons": {}
},
{
"tool": "assistantmail_get_usage_reference",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "f9a5d159eab21d69627ee46996ca8fbda37181170b5b510d5000e87a9e45cbc8",
"stats": {
"tools": 22,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 0,
"low": 0,
"info": 0
}
}
}