Lcf Strain Life — 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": "lcf-strain-life",
"source": {
"kind": "package",
"origin": "lcf-strain-life"
},
"server": {
"name": "lcf-strain-life"
}
},
"grade": "A",
"score": {
"score": 99,
"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": "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-1.13"
},
"capability": {
"level": "minimal",
"reasons": [],
"tags": []
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (41 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 packaging/dev tooling (scripts/build_gui_app.py)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/build_gui_app.py:108`): 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": "scripts/build_gui_app.py"
},
"evidence": "\".join(cmd)) return subprocess.call(cmd, cwd=ROOT) if __name__ == \"__main__\": raise SystemExit(main())",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/build_gui_app.py",
"line": 108,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"lcf-strain-life\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "lcf-strain-life"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "analyze_test_timeseries",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_test_csv",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_test_series",
"tags": [],
"reasons": {}
},
{
"tool": "preview_lab_file",
"tags": [],
"reasons": {}
},
{
"tool": "fit_strain_life",
"tags": [],
"reasons": {}
},
{
"tool": "predict_life",
"tags": [],
"reasons": {}
},
{
"tool": "mean_stress_equivalent_stress",
"tags": [],
"reasons": {}
},
{
"tool": "count_rainflow",
"tags": [],
"reasons": {}
},
{
"tool": "count_level_crossings",
"tags": [],
"reasons": {}
},
{
"tool": "count_peaks",
"tags": [],
"reasons": {}
},
{
"tool": "compute_sn_life",
"tags": [],
"reasons": {}
},
{
"tool": "compute_spectrum_life",
"tags": [],
"reasons": {}
},
{
"tool": "compute_damage",
"tags": [],
"reasons": {}
},
{
"tool": "compute_notch_local",
"tags": [],
"reasons": {}
},
{
"tool": "fit_design_curve",
"tags": [],
"reasons": {}
},
{
"tool": "fit_strain_life_ml",
"tags": [],
"reasons": {}
},
{
"tool": "simulate_variable_amplitude",
"tags": [],
"reasons": {}
},
{
"tool": "search_critical_plane_tensor",
"tags": [],
"reasons": {}
},
{
"tool": "fit_random_fatigue_limit",
"tags": [],
"reasons": {}
},
{
"tool": "fit_mean_stress_relaxation",
"tags": [],
"reasons": {}
},
{
"tool": "fit_ratcheting_law",
"tags": [],
"reasons": {}
},
{
"tool": "ratcheting_penalized_life",
"tags": [],
"reasons": {}
},
{
"tool": "compute_roughness_factor",
"tags": [],
"reasons": {}
},
{
"tool": "compute_size_factor",
"tags": [],
"reasons": {}
},
{
"tool": "generate_report",
"tags": [],
"reasons": {}
},
{
"tool": "export_material",
"tags": [],
"reasons": {}
},
{
"tool": "import_material",
"tags": [],
"reasons": {}
},
{
"tool": "validate_interchange",
"tags": [],
"reasons": {}
},
{
"tool": "summarize_collection",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_staircase",
"tags": [],
"reasons": {}
},
{
"tool": "compute_basis_value",
"tags": [],
"reasons": {}
},
{
"tool": "flag_outliers",
"tags": [],
"reasons": {}
},
{
"tool": "compute_creep_fatigue",
"tags": [],
"reasons": {}
},
{
"tool": "estimate_strain_life_constants",
"tags": [],
"reasons": {}
},
{
"tool": "compute_multiaxial_parameter",
"tags": [],
"reasons": {}
},
{
"tool": "search_critical_plane",
"tags": [],
"reasons": {}
},
{
"tool": "compute_frequency_modified_life",
"tags": [],
"reasons": {}
},
{
"tool": "render_plot",
"tags": [],
"reasons": {}
},
{
"tool": "get_citations",
"tags": [],
"reasons": {}
},
{
"tool": "recall_result",
"tags": [],
"reasons": {}
},
{
"tool": "list_results",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "2d22a419630d9a4c67ab077d71cfa63a156aea348f3c6ea7d2551d94a49d9b0b",
"stats": {
"tools": 41,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 0,
"low": 1,
"info": 1
}
}
}