Raw scan report

SubwayInfo NYC — the complete, unedited output of the deterministic mcptrustchecker engine v1.10.0, scanned 2026-07-25. Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.

{
  "tool": {
    "name": "mcptrustchecker",
    "version": "1.10.0",
    "methodologyVersion": "mcptrustchecker-1.9"
  },
  "target": {
    "id": "https://subwayinfo.nyc/mcp",
    "source": {
      "kind": "http",
      "origin": "https://subwayinfo.nyc/mcp"
    },
    "server": {
      "name": "mta-subway-mcp-server",
      "version": "1.0.0"
    }
  },
  "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": "coverage-honesty",
        "level": "live",
        "label": "inspection depth (live) — how much of the target the scan could see",
        "appliedPenalty": 0
      }
    ],
    "gatesFired": [],
    "methodologyVersion": "mcptrustchecker-1.9"
  },
  "capability": {
    "level": "moderate",
    "reasons": [
      "ingests untrusted external content (a prompt-injection entry point)"
    ],
    "tags": [
      "untrusted-input"
    ]
  },
  "coverage": {
    "level": "live",
    "inputs": {
      "toolSurface": true,
      "implementationSource": false,
      "packageMetadata": false,
      "liveTransport": true
    },
    "caveats": []
  },
  "findings": [
    {
      "ruleId": "MTC-NET-005",
      "title": "Remote HTTP MCP endpoint",
      "category": "network",
      "severity": "info",
      "confidence": "strong",
      "description": "Remote endpoint subwayinfo.nyc. MCP Trust Checker does not test server-side authentication/authorization; verify the endpoint requires auth.",
      "location": {
        "kind": "transport"
      }
    }
  ],
  "toxicFlows": [],
  "capabilities": [
    {
      "tool": "mta_get_arrivals",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_get_line_status",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_list_alerts",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_search_stations",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_get_station_info",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_plan_trip",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "mta_get_planned_work",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bus_list_alerts",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bus_get_arrivals",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bus_get_route_info",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bus_search_stops",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "ferry_get_arrivals",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "ferry_list_alerts",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "ferry_search_landings",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "ferry_get_routes",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bike_get_station_status",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bike_search_stations",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "bike_get_availability_summary",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "rail_get_departures",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "rail_list_alerts",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "rail_search_stations",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "rail_get_station_info",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "transit_ask",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "search",
      "tags": [
        "untrusted-input"
      ],
      "reasons": {
        "untrusted-input": [
          "keyword \"fetch\""
        ]
      }
    },
    {
      "tool": "fetch",
      "tags": [
        "untrusted-input"
      ],
      "reasons": {
        "untrusted-input": [
          "keyword \"fetch\""
        ]
      }
    }
  ],
  "surfaceDigest": "4da2507a3d286581875643dce28e7d7c55a32098f07483795d962a8b7ecca755",
  "stats": {
    "tools": 25,
    "prompts": 3,
    "resources": 2,
    "findingsBySeverity": {
      "critical": 0,
      "high": 0,
      "medium": 0,
      "low": 0,
      "info": 1
    }
  }
}