Brandsystem — 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": "@brandsystem/mcp",
"source": {
"kind": "package",
"origin": "@brandsystem/mcp"
},
"server": {
"name": "@brandsystem/mcp"
}
},
"grade": "A",
"score": {
"score": 94,
"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": "high",
"label": "capability blast radius (high) — client exposure if the model is manipulated",
"appliedPenalty": 6
},
{
"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": "high",
"reasons": [
"can execute shell commands or code"
],
"tags": [
"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 (dist/tools/brand-feedback.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/tools/brand-feedback.js:75`): 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/tools/brand-feedback.js"
},
"evidence": "/require\\s*\\(\\s*['\"]child_process/i, /import\\s+.*child_process/i, ]; function sanitize(input) { let s = inpu",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/tools/brand-feedback.js",
"line": 75,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (dist/cli/install.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`dist/cli/install.js:16`): 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/cli/install.js"
},
"evidence": "rt { spawn } from \"node:child_process\"; export const INSTALL_CLIENTS = [ \"claude-code\", \"cline\", \"codex\",",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/cli/install.js",
"line": 16,
"nonRuntime": true
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "brand_audit_content",
"tags": [],
"reasons": {}
},
{
"tool": "brand_audit_drift",
"tags": [],
"reasons": {}
},
{
"tool": "brand_audit",
"tags": [],
"reasons": {}
},
{
"tool": "brand_brandcode_auth",
"tags": [],
"reasons": {}
},
{
"tool": "brand_brandcode_connect",
"tags": [],
"reasons": {}
},
{
"tool": "brand_brandcode_live",
"tags": [],
"reasons": {}
},
{
"tool": "brand_brandcode_status",
"tags": [],
"reasons": {}
},
{
"tool": "brand_brandcode_sync",
"tags": [],
"reasons": {}
},
{
"tool": "brand_build_journey",
"tags": [],
"reasons": {}
},
{
"tool": "brand_build_matrix",
"tags": [],
"reasons": {}
},
{
"tool": "brand_build_personas",
"tags": [],
"reasons": {}
},
{
"tool": "brand_build_themes",
"tags": [],
"reasons": {}
},
{
"tool": "brand_check_compliance",
"tags": [],
"reasons": {}
},
{
"tool": "brand_check",
"tags": [],
"reasons": {}
},
{
"tool": "brand_clarify",
"tags": [],
"reasons": {}
},
{
"tool": "brand_compile_messaging",
"tags": [],
"reasons": {}
},
{
"tool": "brand_compile",
"tags": [],
"reasons": {}
},
{
"tool": "brand_context",
"tags": [],
"reasons": {}
},
{
"tool": "brand_deepen_identity",
"tags": [],
"reasons": {}
},
{
"tool": "brand_enrich_skill",
"tags": [],
"reasons": {}
},
{
"tool": "brand_export",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_figma",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_messaging",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_pdf",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_site",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_visual",
"tags": [],
"reasons": {}
},
{
"tool": "brand_extract_web",
"tags": [],
"reasons": {}
},
{
"tool": "brand_feedback",
"tags": [],
"reasons": {}
},
{
"tool": "brand_feedback_review",
"tags": [],
"reasons": {}
},
{
"tool": "brand_feedback_triage",
"tags": [],
"reasons": {}
},
{
"tool": "brand_generate_designmd",
"tags": [],
"reasons": {}
},
{
"tool": "brand_ingest_assets",
"tags": [],
"reasons": {}
},
{
"tool": "brand_init",
"tags": [],
"reasons": {}
},
{
"tool": "brand_preflight",
"tags": [],
"reasons": {}
},
{
"tool": "brand_preview",
"tags": [],
"reasons": {}
},
{
"tool": "brand_connect_repo",
"tags": [],
"reasons": {}
},
{
"tool": "brand_repo_status",
"tags": [],
"reasons": {}
},
{
"tool": "brand_report",
"tags": [],
"reasons": {}
},
{
"tool": "brand_resolve_conflicts",
"tags": [],
"reasons": {}
},
{
"tool": "brand_runtime",
"tags": [],
"reasons": {}
},
{
"tool": "brand_set_logo",
"tags": [],
"reasons": {}
},
{
"tool": "brand_start",
"tags": [],
"reasons": {}
},
{
"tool": "brand_status",
"tags": [],
"reasons": {}
},
{
"tool": "brand_write",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "20e4673bce0330dad44f3e55715ed18e3b93a245b91695c7a8dbe3b9e8fd1eca",
"stats": {
"tools": 44,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 1,
"info": 0
}
}
}