Raw scan report

Studio — 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.

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{
  "tool": {
    "name": "mcptrustchecker",
    "version": "1.13.0",
    "methodologyVersion": "mcptrustchecker-1.13"
  },
  "target": {
    "id": "@1key4ai/mcp-studio",
    "source": {
      "kind": "package",
      "origin": "@1key4ai/mcp-studio"
    },
    "server": {
      "name": "@1key4ai/mcp-studio"
    }
  },
  "grade": "C",
  "score": {
    "score": 74,
    "threatScore": 85,
    "grade": "C",
    "band": "C",
    "categorySubtotals": {
      "injection": 15.4,
      "exfiltration": 0,
      "permissions": 0,
      "supply-chain": 0,
      "network": 0,
      "hygiene": 0
    },
    "vector": [
      {
        "kind": "threat",
        "ruleId": "MTC-INJ-SECRECY-1",
        "category": "injection",
        "severity": "high",
        "confidence": "strong",
        "rawWeight": 22,
        "confidenceMult": 0.7,
        "diminishingFactor": 1,
        "appliedPenalty": 15.4
      },
      {
        "kind": "client",
        "term": "capability-exposure",
        "level": "critical",
        "label": "capability blast radius (critical) — client exposure if the model is manipulated",
        "appliedPenalty": 10
      },
      {
        "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": "critical",
    "reasons": [
      "ingests untrusted external content (a prompt-injection entry point)",
      "can send data / act on an external service",
      "can create, modify or delete files",
      "reads sensitive or local data",
      "has a read → egress path (a data-exfiltration surface)",
      "can execute shell commands or code",
      "untrusted-input, sensitive-source and egress co-exist across tools (toxic-flow surface)",
      "untrusted input can reach code execution"
    ],
    "tags": [
      "untrusted-input",
      "external-sink",
      "sensitive-source",
      "file-write",
      "code-exec"
    ]
  },
  "coverage": {
    "level": "source",
    "inputs": {
      "toolSurface": true,
      "implementationSource": true,
      "packageMetadata": true,
      "liveTransport": false
    },
    "caveats": [
      "Tools were statically extracted from the published source (44 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-002",
      "title": "Completed toxic-flow trifecta across tools",
      "category": "exfiltration",
      "severity": "critical",
      "confidence": "strong",
      "description": "This server (without client built-ins) exposes a complete data-exfiltration chain: 1k4_advisors → 1k4_list_files ⇒ 1k4_send_message. Untrusted input is ingested, private data is read, and it can be sent to an external sink — and at least one leg is a direct schema wire (⇒), where a producer's output drops straight into a free-text parameter of the next tool, so the chain needs little agent cooperation. Static analysis proves the primitive exists, not that a specific run will occur.",
      "remediation": "Remove one leg of the trifecta: isolate untrusted-input tools from secret-reading tools and from egress tools, or require human approval between them.",
      "location": {
        "kind": "flow",
        "name": "1k4_advisors → 1k4_list_files → 1k4_send_message"
      },
      "owasp": "LLM02:2025 Sensitive Information Disclosure",
      "references": [],
      "data": {
        "untrusted": [
          "1k4_advisors",
          "1k4_consult",
          "1k4_brainstorm",
          "1k4_get_file",
          "lab_vm_ops",
          "lab_web_fetch"
        ],
        "sources": [
          "1k4_list_files",
          "lab_read_file",
          "lab_list_files"
        ],
        "sinks": [
          "1k4_send_message",
          "1k4_wait_for_message",
          "lab_vm_ops"
        ],
        "path": [
          "1k4_advisors",
          "1k4_list_files",
          "1k4_send_message"
        ],
        "edges": [
          {
            "from": "1k4_advisors",
            "to": "1k4_list_files",
            "kind": "agent-mediated"
          },
          {
            "from": "1k4_list_files",
            "to": "1k4_send_message",
            "kind": "schema-wired"
          }
        ],
        "wired": true
      }
    },
    {
      "ruleId": "MTC-SRC-006",
      "title": "Reads a sensitive credential path or dumps the environment (dist/index.js)",
      "category": "exfiltration",
      "severity": "high",
      "confidence": "strong",
      "description": "In the server's implementation (`dist/index.js:1045`): Reading private keys / cloud credentials, or serializing the whole environment, is a sensitive-data source that becomes exfiltration when combined with any egress. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
      "remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
      "location": {
        "kind": "server",
        "name": "dist/index.js"
      },
      "evidence": "e-account.*\\.json$/, /id_rsa/, /id_ed25519/, /\\.keystore$/, /\\.pyc$/, /\\.so$/, /\\.dylib$/, /\\.wasm$/, /\\",
      "owasp": "LLM02:2025 Sensitive Information Disclosure",
      "data": {
        "rule": "MTC-SRC-006",
        "file": "dist/index.js",
        "line": 1045,
        "nonRuntime": false
      }
    },
    {
      "ruleId": "MTC-INJ-SECRECY-1",
      "title": "Secrecy directive (conceal action from the user)",
      "category": "injection",
      "severity": "high",
      "confidence": "strong",
      "description": "Secrecy directive (conceal action from the user) detected in the description of tool \"lab_review_document\". Instruction-like content in tool metadata is executed by the model, not the human, and is the primary tool-poisoning vector.",
      "remediation": "Tool descriptions should describe behavior, not instruct the assistant. Treat imperative / secrecy / sequencing language in metadata as hostile.",
      "location": {
        "kind": "tool",
        "name": "lab_review_document",
        "field": "description"
      },
      "evidence": "Do NOT tell the user",
      "owasp": "LLM01:2025 Prompt Injection",
      "data": {
        "kind": "secrecy"
      }
    },
    {
      "ruleId": "MTC-CAP-001",
      "title": "Tool \"lab_vm_ops\" exposes command/code execution",
      "category": "permissions",
      "severity": "high",
      "confidence": "strong",
      "description": "Tool \"lab_vm_ops\" appears to run shell commands or evaluate code (parameter \"command\"). Arbitrary execution driven by model input is one of the most dangerous MCP capabilities; combined with any untrusted input it becomes RCE.",
      "remediation": "Sandbox execution, allowlist commands/arguments, and never pass model output to a shell unescaped.",
      "location": {
        "kind": "tool",
        "name": "lab_vm_ops"
      },
      "owasp": "LLM05:2025 Improper Output Handling",
      "data": {
        "tags": [
          "untrusted-input",
          "code-exec"
        ]
      }
    },
    {
      "ruleId": "MTC-SRC-002",
      "title": "Shell/command execution in server code (dist/index.js)",
      "category": "permissions",
      "severity": "high",
      "confidence": "strong",
      "description": "In the server's implementation (`dist/index.js:1012`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
      "remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
      "location": {
        "kind": "server",
        "name": "dist/index.js"
      },
      "evidence": "port { execSync } from \"child_process\"; import { statSync, existsSync, readFileSync } from \"fs\"; import { join, relative",
      "owasp": "LLM05:2025 Improper Output Handling",
      "data": {
        "rule": "MTC-SRC-002",
        "file": "dist/index.js",
        "line": 1012,
        "nonRuntime": false
      }
    },
    {
      "ruleId": "MTC-CAP-007",
      "title": "Unconstrained URL/host parameter \"url\" on \"lab_web_fetch\"",
      "category": "network",
      "severity": "medium",
      "confidence": "heuristic",
      "description": "Tool \"lab_web_fetch\" 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": "lab_web_fetch",
        "field": "inputSchema.properties.url"
      },
      "owasp": "LLM06:2025 Excessive Agency",
      "data": {
        "param": "url"
      }
    },
    {
      "ruleId": "MTC-CAP-002",
      "title": "Tool \"lab_create_file\" can modify the filesystem",
      "category": "permissions",
      "severity": "medium",
      "confidence": "strong",
      "description": "Tool \"lab_create_file\" can write, overwrite or delete files (keyword \"create_file\" in tool name). Verify it is scoped to a safe directory.",
      "remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
      "location": {
        "kind": "tool",
        "name": "lab_create_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-002",
      "title": "Tool \"lab_edit_file\" can modify the filesystem",
      "category": "permissions",
      "severity": "medium",
      "confidence": "strong",
      "description": "Tool \"lab_edit_file\" can write, overwrite or delete files (keyword \"edit_file\" in tool name). Verify it is scoped to a safe directory.",
      "remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
      "location": {
        "kind": "tool",
        "name": "lab_edit_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-002",
      "title": "Tool \"lab_move_file\" can modify the filesystem",
      "category": "permissions",
      "severity": "medium",
      "confidence": "strong",
      "description": "Tool \"lab_move_file\" can write, overwrite or delete files (keyword \"move_file\" in tool name). Verify it is scoped to a safe directory.",
      "remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
      "location": {
        "kind": "tool",
        "name": "lab_move_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-002",
      "title": "Tool \"lab_delete_file\" can modify the filesystem",
      "category": "permissions",
      "severity": "medium",
      "confidence": "strong",
      "description": "Tool \"lab_delete_file\" can write, overwrite or delete files (keyword \"delete_file\" in tool name). Verify it is scoped to a safe directory.",
      "remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
      "location": {
        "kind": "tool",
        "name": "lab_delete_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-006",
      "title": "Unconstrained command parameter \"command\" on \"lab_vm_ops\"",
      "category": "permissions",
      "severity": "medium",
      "confidence": "heuristic",
      "description": "Tool \"lab_vm_ops\" takes a command-shaped parameter \"command\" with no enum/pattern constraint. Free-form, model- or attacker-controlled arguments reaching a shell is the command-injection precondition.",
      "remediation": "Constrain the parameter (enum/pattern), or build the command from a fixed template with escaped args.",
      "location": {
        "kind": "tool",
        "name": "lab_vm_ops",
        "field": "inputSchema.properties.command"
      },
      "owasp": "LLM05:2025 Improper Output Handling",
      "data": {
        "param": "command"
      }
    },
    {
      "ruleId": "MTC-SRC-005",
      "title": "Dynamic module load from a non-literal (dist/index.js)",
      "category": "permissions",
      "severity": "medium",
      "confidence": "heuristic",
      "description": "In the server's implementation (`dist/index.js:2315`): Loading a module chosen at runtime (from a variable) can pull in and run attacker-influenced code paths. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
      "remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
      "location": {
        "kind": "server",
        "name": "dist/index.js"
      },
      "evidence": "iles the modified files import (upstream) OR that import the modified files (downstream). Shown to reviewers as context-",
      "owasp": "LLM05:2025 Improper Output Handling",
      "data": {
        "rule": "MTC-SRC-005",
        "file": "dist/index.js",
        "line": 2315,
        "nonRuntime": false
      }
    },
    {
      "ruleId": "MTC-CAP-005",
      "title": "Mutating tool \"lab_create_file\" declares no destructiveHint",
      "category": "hygiene",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_create_file\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
      "remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
      "location": {
        "kind": "tool",
        "name": "lab_create_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-005",
      "title": "Mutating tool \"lab_edit_file\" declares no destructiveHint",
      "category": "hygiene",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_edit_file\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
      "remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
      "location": {
        "kind": "tool",
        "name": "lab_edit_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-005",
      "title": "Mutating tool \"lab_move_file\" declares no destructiveHint",
      "category": "hygiene",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_move_file\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
      "remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
      "location": {
        "kind": "tool",
        "name": "lab_move_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-005",
      "title": "Mutating tool \"lab_delete_file\" declares no destructiveHint",
      "category": "hygiene",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_delete_file\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
      "remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
      "location": {
        "kind": "tool",
        "name": "lab_delete_file"
      },
      "data": {
        "tags": [
          "file-write"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-005",
      "title": "Mutating tool \"lab_vm_ops\" declares no destructiveHint",
      "category": "hygiene",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_vm_ops\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
      "remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
      "location": {
        "kind": "tool",
        "name": "lab_vm_ops"
      },
      "data": {
        "tags": [
          "untrusted-input",
          "code-exec"
        ]
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"folder_path\" on \"1k4_list_files\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"1k4_list_files\" takes a path parameter \"folder_path\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "1k4_list_files",
        "field": "inputSchema.properties.folder_path"
      },
      "data": {
        "param": "folder_path"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"path\" on \"lab_edit_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_edit_file\" takes a path parameter \"path\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_edit_file",
        "field": "inputSchema.properties.path"
      },
      "data": {
        "param": "path"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"path\" on \"lab_read_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_read_file\" takes a path parameter \"path\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_read_file",
        "field": "inputSchema.properties.path"
      },
      "data": {
        "param": "path"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"folder_path\" on \"lab_list_files\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_list_files\" takes a path parameter \"folder_path\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_list_files",
        "field": "inputSchema.properties.folder_path"
      },
      "data": {
        "param": "folder_path"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"file_name\" on \"lab_move_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_move_file\" takes a path parameter \"file_name\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_move_file",
        "field": "inputSchema.properties.file_name"
      },
      "data": {
        "param": "file_name"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"file_id\" on \"lab_delete_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_delete_file\" takes a path parameter \"file_id\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_delete_file",
        "field": "inputSchema.properties.file_id"
      },
      "data": {
        "param": "file_id"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"file_name\" on \"lab_delete_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_delete_file\" takes a path parameter \"file_name\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_delete_file",
        "field": "inputSchema.properties.file_name"
      },
      "data": {
        "param": "file_name"
      }
    },
    {
      "ruleId": "MTC-CAP-008",
      "title": "Unconstrained path parameter \"folder_path\" on \"lab_delete_file\"",
      "category": "permissions",
      "severity": "low",
      "confidence": "heuristic",
      "description": "Tool \"lab_delete_file\" takes a path parameter \"folder_path\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
      "remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
      "location": {
        "kind": "tool",
        "name": "lab_delete_file",
        "field": "inputSchema.properties.folder_path"
      },
      "data": {
        "param": "folder_path"
      }
    }
  ],
  "toxicFlows": [
    {
      "id": "flow-1",
      "severity": "critical",
      "confidence": "strong",
      "untrustedInput": [
        "1k4_advisors",
        "1k4_consult",
        "1k4_brainstorm",
        "1k4_get_file",
        "lab_vm_ops",
        "lab_web_fetch"
      ],
      "sensitiveSource": [
        "1k4_list_files",
        "lab_read_file",
        "lab_list_files"
      ],
      "externalSink": [
        "1k4_send_message",
        "1k4_wait_for_message",
        "lab_vm_ops"
      ],
      "selfContained": false,
      "path": [
        "1k4_advisors",
        "1k4_list_files",
        "1k4_send_message"
      ],
      "pathWired": true,
      "description": "A cross-tool exfiltration chain exists: 1k4_advisors → 1k4_list_files ⇒ 1k4_send_message."
    }
  ],
  "capabilities": [
    {
      "tool": "filename",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "1k4_review_plan",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "1k4_advisors",
      "tags": [
        "untrusted-input"
      ],
      "reasons": {
        "untrusted-input": [
          "keyword \"web_search\""
        ]
      }
    },
    {
      "tool": "1k4_quorum_reenable_session",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "1k4_quorum_skip_session",
      "tags": [],
      "reasons": {}
    },
    {
      "tool": "1k4_quorum_open_configurator",
      "tags": [],
      "reasons": {}
    },
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