Dataverse — 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": "mcp-dataverse",
"source": {
"kind": "package",
"origin": "mcp-dataverse"
},
"server": {
"name": "mcp-dataverse"
}
},
"grade": "B",
"score": {
"score": 89,
"threatScore": 100,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"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",
"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": [
"external-sink",
"sensitive-source",
"untrusted-input",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (129 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: dataverse_download_file_column → dataverse_get_environment_variable ⇒ dataverse_batch_execute. 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": "dataverse_download_file_column → dataverse_get_environment_variable → dataverse_batch_execute"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"dataverse_download_file_column",
"file_operations",
"dataverse_open_table_browser"
],
"sources": [
"dataverse_get_environment_variable",
"dataverse_set_environment_variable",
"dataverse_plugin_trace_viewer_get_logs"
],
"sinks": [
"dataverse_batch_execute",
"dataverse_upload_file_column"
],
"path": [
"dataverse_download_file_column",
"dataverse_get_environment_variable",
"dataverse_batch_execute"
],
"edges": [
{
"from": "dataverse_download_file_column",
"to": "dataverse_get_environment_variable",
"kind": "agent-mediated"
},
{
"from": "dataverse_get_environment_variable",
"to": "dataverse_batch_execute",
"kind": "schema-wired"
}
],
"wired": true
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/doctor.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/doctor.js:4`): 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/doctor.js"
},
"evidence": ";import{exec as Pe}from\"child_process\";import{platform as G}from\"process\";function Z(s){let e=G===\"win32\"?`echo|set /p=\"",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/doctor.js",
"line": 4,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/server.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/server.js:4`): 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/server.js"
},
"evidence": ";import{exec as Fr}from\"child_process\";import{platform as Ft}from\"process\";function Bt(r){let a=Ft===\"win32\"?`echo|set /",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/server.js",
"line": 4,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/setup-auth.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/setup-auth.js:4`): 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/setup-auth.js"
},
"evidence": "\";import{exec as B}from\"child_process\";import{platform as S}from\"process\";function I(t){let e=S===\"win32\"?`echo|set /p=\"",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup-auth.js",
"line": 4,
"nonRuntime": false
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"dataverse_batch_execute\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"dataverse_batch_execute\" 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": "dataverse_batch_execute",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (dist/install.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`dist/install.js:2`): 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/install.js"
},
"evidence": "\";import{exec as Z}from\"child_process\";import{platform as A}from\"process\";import{createCipheriv as O,createDecipheriv as",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/install.js",
"line": 2,
"nonRuntime": true
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"dataverse_download_file_column",
"file_operations",
"dataverse_open_table_browser"
],
"sensitiveSource": [
"dataverse_get_environment_variable",
"dataverse_set_environment_variable",
"dataverse_plugin_trace_viewer_get_logs"
],
"externalSink": [
"dataverse_batch_execute",
"dataverse_upload_file_column"
],
"selfContained": false,
"path": [
"dataverse_download_file_column",
"dataverse_get_environment_variable",
"dataverse_batch_execute"
],
"pathWired": true,
"description": "A cross-tool exfiltration chain exists: dataverse_download_file_column → dataverse_get_environment_variable ⇒ dataverse_batch_execute."
}
],
"capabilities": [
{
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"tags": [],
"reasons": {}
},
{
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"reasons": {}
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{
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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]
}
},
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{
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{
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}
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},
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{
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{
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{
"tool": "Table Relationships",
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{
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{
"tool": "Server Instructions",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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}
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"tags": [],
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{
"tool": "Dataverse Table Browser",
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},
{
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},
{
"tool": "Dataverse Plugin Trace Viewer",
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},
{
"tool": "Dataverse Schema Explorer",
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{
"tool": "Dataverse RBAC Inspector",
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}
],
"surfaceDigest": "e78c19fe0c98d49f7cb5fd60a14b9954ccc2edfdd6d0180ef9dd18baa1bda6fc",
"stats": {
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"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 1,
"high": 3,
"medium": 1,
"low": 1,
"info": 0
}
}
}