Raw scan report

Grafbase — the complete, unedited output of the deterministic mcptrustchecker engine v1.9.0, scanned 2026-07-23. Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.

{
  "tool": {
    "name": "mcptrustchecker",
    "version": "1.9.0",
    "methodologyVersion": "mcptrustchecker-1.9"
  },
  "target": {
    "id": "grafbase",
    "source": {
      "kind": "package",
      "origin": "grafbase"
    },
    "server": {
      "name": "grafbase"
    }
  },
  "grade": "A",
  "score": {
    "score": 98,
    "threatScore": 99,
    "grade": "A",
    "band": "A",
    "categorySubtotals": {
      "injection": 0,
      "exfiltration": 0,
      "permissions": 0,
      "supply-chain": 1.2,
      "network": 0,
      "hygiene": 0
    },
    "vector": [
      {
        "kind": "threat",
        "ruleId": "MTC-SUP-010",
        "category": "supply-chain",
        "severity": "low",
        "confidence": "heuristic",
        "rawWeight": 3,
        "confidenceMult": 0.4,
        "diminishingFactor": 1,
        "appliedPenalty": 1.2
      },
      {
        "kind": "client",
        "term": "capability-exposure",
        "level": "minimal",
        "label": "capability blast radius (minimal) — client exposure if the model is manipulated",
        "appliedPenalty": 0
      },
      {
        "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-1.9"
  },
  "capability": {
    "level": "minimal",
    "reasons": [],
    "tags": []
  },
  "coverage": {
    "level": "source",
    "inputs": {
      "toolSurface": false,
      "implementationSource": true,
      "packageMetadata": true,
      "liveTransport": false
    },
    "caveats": [
      "No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command \"npx -y <package>\"."
    ]
  },
  "findings": [
    {
      "ruleId": "MTC-SUP-010",
      "title": "Package runs install-time scripts (postinstall)",
      "category": "supply-chain",
      "severity": "low",
      "confidence": "heuristic",
      "description": "\"grafbase\" executes postinstall script(s) at install time. An install hook runs at install time; most are routine build/setup, but review what it does before trusting it.",
      "remediation": "Review the scripts; install with --ignore-scripts where possible and vet what they do.",
      "location": {
        "kind": "package",
        "name": "grafbase"
      },
      "evidence": "node ./postinstall.js",
      "owasp": "LLM03:2025 Supply Chain",
      "references": [
        "https://github.com/ossf/package-analysis",
        "https://owasp.org/www-project-top-10-ci-cd-security-risks/"
      ],
      "data": {
        "scripts": [
          "postinstall"
        ]
      }
    }
  ],
  "toxicFlows": [],
  "capabilities": [],
  "surfaceDigest": "611b16178a3b975ea609f5cca7a9da3619fa99caf1869d85dccb432e318b505a",
  "stats": {
    "tools": 0,
    "prompts": 0,
    "resources": 0,
    "findingsBySeverity": {
      "critical": 0,
      "high": 0,
      "medium": 0,
      "low": 1,
      "info": 0
    }
  }
}