Yandex Metrika — 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": "yandex-metrika-mcp",
"source": {
"kind": "package",
"origin": "yandex-metrika-mcp"
},
"server": {
"name": "yandex-metrika-mcp"
}
},
"grade": "B",
"score": {
"score": 83,
"threatScore": 94,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 6.3,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SRC-009",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"rawWeight": 9,
"confidenceMult": 0.7,
"diminishingFactor": 1,
"appliedPenalty": 6.3
},
{
"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 execute shell commands or code",
"untrusted input can reach code execution"
],
"tags": [
"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 (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-SRC-002",
"title": "Shell/command execution in server code (src/auth.mjs)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/auth.mjs:9`): 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": "src/auth.mjs"
},
"evidence": "-open'; import('node:child_process').then(({ exec }) => { exec(`${start} \"${url}\"`); }); } async function prom",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/auth.mjs",
"line": 9,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-009",
"title": "Untrusted input concatenated into a command sink (src/auth.mjs)",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"description": "In the server's implementation (`src/auth.mjs:10`): A shell/process command assembled from concatenated or interpolated values is command injection when any part is attacker-influenced — the OWASP canonical RCE flow. Verify what reaches the interpolated value. 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": "src/auth.mjs"
},
"evidence": "hen(({ exec }) => { exec(`${start} \"${url}\"`); }); } async function prompt(question) { const rl = readline.crea",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-009",
"file": "src/auth.mjs",
"line": 10,
"nonRuntime": false
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "get-counters",
"tags": [],
"reasons": {}
},
{
"tool": "get-counter",
"tags": [],
"reasons": {}
},
{
"tool": "get-goals",
"tags": [],
"reasons": {}
},
{
"tool": "get-traffic-summary",
"tags": [],
"reasons": {}
},
{
"tool": "get-traffic-sources",
"tags": [],
"reasons": {}
},
{
"tool": "get-geography",
"tags": [],
"reasons": {}
},
{
"tool": "get-devices",
"tags": [],
"reasons": {}
},
{
"tool": "get-popular-pages",
"tags": [],
"reasons": {}
},
{
"tool": "get-search-phrases",
"tags": [],
"reasons": {}
},
{
"tool": "get-report",
"tags": [],
"reasons": {}
},
{
"tool": "get-high-bounce-pages-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-critical-pages",
"tags": [],
"reasons": {}
},
{
"tool": "get-bounce-comparison-search-engines",
"tags": [],
"reasons": {}
},
{
"tool": "get-bounce-by-devices-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-bounce-device-search-engine",
"tags": [],
"reasons": {}
},
{
"tool": "get-page-depth-by-sections",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get-exit-pages-by-section",
"tags": [],
"reasons": {}
},
{
"tool": "get-entry-exit-paths",
"tags": [],
"reasons": {}
},
{
"tool": "get-top-exit-pages-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-exit-pages-by-devices",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-by-search-engine",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-by-landing-pages",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-by-search-phrases",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-by-devices",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-by-regions",
"tags": [],
"reasons": {}
},
{
"tool": "get-conversions-device-region",
"tags": [],
"reasons": {}
},
{
"tool": "get-referral-donors-behavior",
"tags": [],
"reasons": {}
},
{
"tool": "get-referral-full-urls",
"tags": [],
"reasons": {}
},
{
"tool": "get-quality-referral-traffic",
"tags": [],
"reasons": {}
},
{
"tool": "get-referral-conversions",
"tags": [],
"reasons": {}
},
{
"tool": "get-social-networks-traffic",
"tags": [],
"reasons": {}
},
{
"tool": "get-social-networks-quality",
"tags": [],
"reasons": {}
},
{
"tool": "get-social-landing-pages",
"tags": [],
"reasons": {}
},
{
"tool": "get-new-vs-returning-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-visit-frequency-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-demographics-organic",
"tags": [],
"reasons": {}
},
{
"tool": "get-audience-interests",
"tags": [],
"reasons": {}
},
{
"tool": "get-organic-activity-by-hour",
"tags": [],
"reasons": {}
},
{
"tool": "get-organic-activity-by-day-of-week",
"tags": [],
"reasons": {}
},
{
"tool": "get-organic-traffic-dynamics",
"tags": [],
"reasons": {}
},
{
"tool": "get-organic-seasonality",
"tags": [],
"reasons": {}
},
{
"tool": "get-organic-browsers",
"tags": [],
"reasons": {}
},
{
"tool": "get-problematic-os",
"tags": [],
"reasons": {}
},
{
"tool": "get-screen-resolutions",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "faaa8ad873626444c877484c53ae863e9e21c3c1bc1c80d338c5423c4b2af740",
"stats": {
"tools": 44,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 1,
"low": 0,
"info": 0
}
}
}