Commune — 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": "commune-mcp",
"source": {
"kind": "package",
"origin": "commune-mcp"
},
"server": {
"name": "commune-mcp"
}
},
"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": [
"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 (42 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 ([get_thread_messages, get_attachment_url, list_available_phone_numbers]) co-exist with external-action tools ([send_email, upload_attachment, send_sms, set_phone_number_webhook, set_phone_number_allow_list, remove_sms_suppression]). 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": "get_thread_messages → send_email"
},
"evidence": "untrusted [get_thread_messages, get_attachment_url, list_available_phone_numbers] → sinks [send_email, upload_attachment, send_sms, set_phone_number_webhook, se",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_thread_messages",
"get_attachment_url",
"list_available_phone_numbers"
],
"sinks": [
"send_email",
"upload_attachment",
"send_sms",
"set_phone_number_webhook",
"set_phone_number_allow_list",
"remove_sms_suppression"
]
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"commune-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "commune-mcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_thread_messages",
"get_attachment_url",
"list_available_phone_numbers"
],
"sensitiveSource": [],
"externalSink": [
"send_email",
"upload_attachment",
"send_sms",
"set_phone_number_webhook",
"set_phone_number_allow_list",
"remove_sms_suppression"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "list_domains",
"tags": [],
"reasons": {}
},
{
"tool": "create_domain",
"tags": [],
"reasons": {}
},
{
"tool": "verify_domain",
"tags": [],
"reasons": {}
},
{
"tool": "get_domain_records",
"tags": [],
"reasons": {}
},
{
"tool": "list_inboxes",
"tags": [],
"reasons": {}
},
{
"tool": "create_inbox",
"tags": [],
"reasons": {}
},
{
"tool": "delete_inbox",
"tags": [],
"reasons": {}
},
{
"tool": "set_extraction_schema",
"tags": [],
"reasons": {}
},
{
"tool": "remove_extraction_schema",
"tags": [],
"reasons": {}
},
{
"tool": "list_threads",
"tags": [],
"reasons": {}
},
{
"tool": "get_thread_messages",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_message\""
]
}
},
{
"tool": "send_email",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "upload_attachment",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "get_attachment_url",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "search_threads",
"tags": [],
"reasons": {}
},
{
"tool": "get_thread_metadata",
"tags": [],
"reasons": {}
},
{
"tool": "set_thread_status",
"tags": [],
"reasons": {}
},
{
"tool": "tag_thread",
"tags": [],
"reasons": {}
},
{
"tool": "untag_thread",
"tags": [],
"reasons": {}
},
{
"tool": "assign_thread",
"tags": [],
"reasons": {}
},
{
"tool": "get_deliverability_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_suppressions",
"tags": [],
"reasons": {}
},
{
"tool": "get_delivery_events",
"tags": [],
"reasons": {}
},
{
"tool": "list_phone_numbers",
"tags": [],
"reasons": {}
},
{
"tool": "get_phone_number",
"tags": [],
"reasons": {}
},
{
"tool": "update_phone_number",
"tags": [],
"reasons": {}
},
{
"tool": "list_available_phone_numbers",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "provision_phone_number",
"tags": [],
"reasons": {}
},
{
"tool": "release_phone_number",
"tags": [],
"reasons": {}
},
{
"tool": "send_sms",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "list_sms_conversations",
"tags": [],
"reasons": {}
},
{
"tool": "get_sms_thread",
"tags": [],
"reasons": {}
},
{
"tool": "search_sms",
"tags": [],
"reasons": {}
},
{
"tool": "set_phone_number_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "set_phone_number_allow_list",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "set_phone_number_block_list",
"tags": [],
"reasons": {}
},
{
"tool": "list_sms_suppressions",
"tags": [],
"reasons": {}
},
{
"tool": "remove_sms_suppression",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "get_credit_balance",
"tags": [],
"reasons": {}
},
{
"tool": "list_credit_bundles",
"tags": [],
"reasons": {}
},
{
"tool": "credits_checkout",
"tags": [],
"reasons": {}
},
{
"tool": "submit_feedback",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "9b8a3a8efb9b277ac2a77ac0a3eb68d52af1c06270e521dcdaf2984b077936c9",
"stats": {
"tools": 42,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 1
}
}
}