Housecallpro — 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": "@toducthanh/housecallpro-mcp",
"source": {
"kind": "package",
"origin": "@toducthanh/housecallpro-mcp"
},
"server": {
"name": "@toducthanh/housecallpro-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 (68 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 ([list_customers, list_employees, list_estimates, list_events, list_invoices, list_jobs, list_leads, list_materials, list_pricebook_services, list_tags]) co-exist with external-action tools ([create_webhook_subscription, delete_webhook_subscription]). 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": "list_customers → create_webhook_subscription"
},
"evidence": "untrusted [list_customers, list_employees, list_estimates, list_events, list_invoices, list_jobs, list_leads, list_materials, list_pricebook_services, list_tags",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"list_customers",
"list_employees",
"list_estimates",
"list_events",
"list_invoices",
"list_jobs",
"list_leads",
"list_materials",
"list_pricebook_services",
"list_tags"
],
"sinks": [
"create_webhook_subscription",
"delete_webhook_subscription"
]
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"create_webhook_subscription\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"create_webhook_subscription\" takes a URL/host parameter \"url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "create_webhook_subscription",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"@toducthanh/housecallpro-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "@toducthanh/housecallpro-mcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"list_customers",
"list_employees",
"list_estimates",
"list_events",
"list_invoices",
"list_jobs",
"list_leads",
"list_materials",
"list_pricebook_services",
"list_tags"
],
"sensitiveSource": [],
"externalSink": [
"create_webhook_subscription",
"delete_webhook_subscription"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "get_application",
"tags": [],
"reasons": {}
},
{
"tool": "enable_application",
"tags": [],
"reasons": {}
},
{
"tool": "disable_application",
"tags": [],
"reasons": {}
},
{
"tool": "list_checklists",
"tags": [],
"reasons": {}
},
{
"tool": "get_company",
"tags": [],
"reasons": {}
},
{
"tool": "list_customers",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_customer",
"tags": [],
"reasons": {}
},
{
"tool": "create_customer",
"tags": [],
"reasons": {}
},
{
"tool": "update_customer",
"tags": [],
"reasons": {}
},
{
"tool": "list_customer_addresses",
"tags": [],
"reasons": {}
},
{
"tool": "get_customer_address",
"tags": [],
"reasons": {}
},
{
"tool": "create_customer_address",
"tags": [],
"reasons": {}
},
{
"tool": "list_employees",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "list_estimates",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_estimate",
"tags": [],
"reasons": {}
},
{
"tool": "create_estimate",
"tags": [],
"reasons": {}
},
{
"tool": "list_events",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_event",
"tags": [],
"reasons": {}
},
{
"tool": "list_invoices",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "list_job_appointments",
"tags": [],
"reasons": {}
},
{
"tool": "list_job_types",
"tags": [],
"reasons": {}
},
{
"tool": "list_jobs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_job",
"tags": [],
"reasons": {}
},
{
"tool": "create_job",
"tags": [],
"reasons": {}
},
{
"tool": "update_job_schedule",
"tags": [],
"reasons": {}
},
{
"tool": "delete_job_schedule",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_job",
"tags": [],
"reasons": {}
},
{
"tool": "add_job_attachment",
"tags": [],
"reasons": {}
},
{
"tool": "list_job_line_items",
"tags": [],
"reasons": {}
},
{
"tool": "add_job_line_item",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_update_job_line_items",
"tags": [],
"reasons": {}
},
{
"tool": "list_job_input_materials",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_update_job_input_materials",
"tags": [],
"reasons": {}
},
{
"tool": "add_job_tag",
"tags": [],
"reasons": {}
},
{
"tool": "remove_job_tag",
"tags": [],
"reasons": {}
},
{
"tool": "add_job_note",
"tags": [],
"reasons": {}
},
{
"tool": "delete_job_note",
"tags": [],
"reasons": {}
},
{
"tool": "create_job_link",
"tags": [],
"reasons": {}
},
{
"tool": "lock_job",
"tags": [],
"reasons": {}
},
{
"tool": "lock_jobs_by_time_range",
"tags": [],
"reasons": {}
},
{
"tool": "get_job_invoices",
"tags": [],
"reasons": {}
},
{
"tool": "list_lead_sources",
"tags": [],
"reasons": {}
},
{
"tool": "list_leads",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_lead",
"tags": [],
"reasons": {}
},
{
"tool": "create_lead",
"tags": [],
"reasons": {}
},
{
"tool": "list_material_categories",
"tags": [],
"reasons": {}
},
{
"tool": "list_materials",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_material",
"tags": [],
"reasons": {}
},
{
"tool": "create_material",
"tags": [],
"reasons": {}
},
{
"tool": "update_material",
"tags": [],
"reasons": {}
},
{
"tool": "delete_material",
"tags": [],
"reasons": {}
},
{
"tool": "list_pipeline_statuses",
"tags": [],
"reasons": {}
},
{
"tool": "update_pipeline_status",
"tags": [],
"reasons": {}
},
{
"tool": "list_pricebook_services",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_pricebook_service",
"tags": [],
"reasons": {}
},
{
"tool": "create_pricebook_service",
"tags": [],
"reasons": {}
},
{
"tool": "update_pricebook_service",
"tags": [],
"reasons": {}
},
{
"tool": "delete_pricebook_service",
"tags": [],
"reasons": {}
},
{
"tool": "list_price_forms",
"tags": [],
"reasons": {}
},
{
"tool": "list_routes",
"tags": [],
"reasons": {}
},
{
"tool": "get_schedule_windows",
"tags": [],
"reasons": {}
},
{
"tool": "list_service_zones",
"tags": [],
"reasons": {}
},
{
"tool": "list_tags",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "create_tag",
"tags": [],
"reasons": {}
},
{
"tool": "update_tag",
"tags": [],
"reasons": {}
},
{
"tool": "delete_tag",
"tags": [],
"reasons": {}
},
{
"tool": "create_webhook_subscription",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "delete_webhook_subscription",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
}
],
"surfaceDigest": "8c19b8afbe2dffbaff24f0399584e9a71a21dea337aff2711a838627492f07f8",
"stats": {
"tools": 68,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 2,
"low": 0,
"info": 1
}
}
}