Raw scan report

Peculium Wallet — the complete, unedited output of the deterministic mcptrustchecker engine v1.13.0, scanned 2026-09-08. 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": "@chainvue/peculium-wallet",
    "source": {
      "kind": "package",
      "origin": "@chainvue/peculium-wallet"
    },
    "server": {
      "name": "@chainvue/peculium-wallet"
    }
  },
  "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-1.13"
  },
  "capability": {
    "level": "moderate",
    "reasons": [
      "ingests untrusted external content (a prompt-injection entry point)",
      "can send data / act on an external service"
    ],
    "tags": [
      "external-sink",
      "untrusted-input"
    ]
  },
  "coverage": {
    "level": "source",
    "inputs": {
      "toolSurface": true,
      "implementationSource": true,
      "packageMetadata": true,
      "liveTransport": false
    },
    "caveats": [
      "Tools were statically extracted from the published source (11 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 ([wallet_paid_fetch]) co-exist with external-action tools ([wallet_spending_report]). 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": "wallet_paid_fetch → wallet_spending_report"
      },
      "evidence": "untrusted [wallet_paid_fetch] → sinks [wallet_spending_report]",
      "owasp": "LLM06:2025 Excessive Agency",
      "references": [],
      "data": {
        "untrusted": [
          "wallet_paid_fetch"
        ],
        "sinks": [
          "wallet_spending_report"
        ]
      }
    }
  ],
  "toxicFlows": [
    {
      "id": "flow-1",
      "severity": "medium",
      "confidence": "strong",
      "untrustedInput": [
        "wallet_paid_fetch"
      ],
      "sensitiveSource": [],
      "externalSink": [
        "wallet_spending_report"
      ],
      "selfContained": false,
      "description": "Untrusted input can drive an external action even though no sensitive source is exposed."
    }
  ],
  "capabilities": [
    {
      "tool": "wallet_balance",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_receive_address",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_list_recipients",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_transaction_status",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_spending_report",
      "tags": [
        "external-sink"
      ],
      "reasons": {
        "external-sink": [
          "parameter \"recipient\""
        ]
      }
    },
    {
      "tool": "wallet_financial_position",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_prepaid_balance",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_precheck",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_topup_facilitator",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_send",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "wallet_paid_fetch",
      "tags": [
        "untrusted-input"
      ],
      "reasons": {
        "untrusted-input": [
          "keyword \"fetch\""
        ]
      }
    }
  ],
  "surfaceDigest": "086d03902a392c5a9fd928e88b1ebb276572f7772f6c727a707b81f445f842bd",
  "stats": {
    "tools": 11,
    "prompts": 0,
    "resources": 0,
    "findingsBySeverity": {
      "critical": 0,
      "high": 0,
      "medium": 1,
      "low": 0,
      "info": 0
    }
  }
}