Figsor — 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": "figsor",
"source": {
"kind": "package",
"origin": "figsor"
},
"server": {
"name": "figsor"
}
},
"grade": "A",
"score": {
"score": 92,
"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": "none",
"label": "publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read",
"appliedPenalty": 2
},
{
"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": [
"ingests untrusted external content (a prompt-injection entry point)",
"can execute shell commands or code"
],
"tags": [
"code-exec",
"untrusted-input"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (45 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-CAP-001",
"title": "Tool \"spawn_design_agent\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"spawn_design_agent\" appears to run shell commands or evaluate code (keyword \"spawn\" in tool name). 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": "spawn_design_agent"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([get_page_structure]) co-exist with external-action tools ([spawn_design_agent]). A prompt injection could cause unwanted external actions, though no direct sensitive-data leak path was found.",
"remediation": "Require confirmation for state-changing/egress actions triggered after processing untrusted content.",
"location": {
"kind": "flow",
"name": "get_page_structure → spawn_design_agent"
},
"evidence": "untrusted [get_page_structure] → sinks [spawn_design_agent]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_page_structure"
],
"sinks": [
"spawn_design_agent"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"spawn_design_agent\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"spawn_design_agent\" 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": "spawn_design_agent"
},
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"figsor\" declares no repository URL, so its published artifact cannot be compared against reviewable source.",
"remediation": "Prefer packages that link to public, reviewable source.",
"location": {
"kind": "package",
"name": "figsor"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_page_structure"
],
"sensitiveSource": [],
"externalSink": [
"spawn_design_agent"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "get_connection_status",
"tags": [],
"reasons": {}
},
{
"tool": "spawn_design_agent",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"spawn\" in tool name"
]
}
},
{
"tool": "dismiss_design_agent",
"tags": [],
"reasons": {}
},
{
"tool": "dismiss_all_agents",
"tags": [],
"reasons": {}
},
{
"tool": "create_frame",
"tags": [],
"reasons": {}
},
{
"tool": "create_rectangle",
"tags": [],
"reasons": {}
},
{
"tool": "create_ellipse",
"tags": [],
"reasons": {}
},
{
"tool": "create_text",
"tags": [],
"reasons": {}
},
{
"tool": "create_line",
"tags": [],
"reasons": {}
},
{
"tool": "create_svg_node",
"tags": [],
"reasons": {}
},
{
"tool": "set_auto_layout",
"tags": [],
"reasons": {}
},
{
"tool": "modify_node",
"tags": [],
"reasons": {}
},
{
"tool": "set_stroke",
"tags": [],
"reasons": {}
},
{
"tool": "set_effects",
"tags": [],
"reasons": {}
},
{
"tool": "delete_node",
"tags": [],
"reasons": {}
},
{
"tool": "get_selection",
"tags": [],
"reasons": {}
},
{
"tool": "get_page_structure",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "move_to_parent",
"tags": [],
"reasons": {}
},
{
"tool": "read_node_properties",
"tags": [],
"reasons": {}
},
{
"tool": "export_as_svg",
"tags": [],
"reasons": {}
},
{
"tool": "show_animation_preview",
"tags": [],
"reasons": {}
},
{
"tool": "create_vector",
"tags": [],
"reasons": {}
},
{
"tool": "boolean_operation",
"tags": [],
"reasons": {}
},
{
"tool": "flatten_nodes",
"tags": [],
"reasons": {}
},
{
"tool": "set_fill",
"tags": [],
"reasons": {}
},
{
"tool": "set_image_fill",
"tags": [],
"reasons": {}
},
{
"tool": "style_text_range",
"tags": [],
"reasons": {}
},
{
"tool": "set_constraints",
"tags": [],
"reasons": {}
},
{
"tool": "create_component",
"tags": [],
"reasons": {}
},
{
"tool": "create_component_set",
"tags": [],
"reasons": {}
},
{
"tool": "create_variable_collection",
"tags": [],
"reasons": {}
},
{
"tool": "create_variable",
"tags": [],
"reasons": {}
},
{
"tool": "bind_variable",
"tags": [],
"reasons": {}
},
{
"tool": "get_variables",
"tags": [],
"reasons": {}
},
{
"tool": "list_available_fonts",
"tags": [],
"reasons": {}
},
{
"tool": "list_components",
"tags": [],
"reasons": {}
},
{
"tool": "create_component_instance",
"tags": [],
"reasons": {}
},
{
"tool": "detach_instance",
"tags": [],
"reasons": {}
},
{
"tool": "get_local_styles",
"tags": [],
"reasons": {}
},
{
"tool": "find_nodes",
"tags": [],
"reasons": {}
},
{
"tool": "set_selection",
"tags": [],
"reasons": {}
},
{
"tool": "quiver_generate_svg",
"tags": [],
"reasons": {}
},
{
"tool": "quiver_vectorize_svg",
"tags": [],
"reasons": {}
},
{
"tool": "get_uploaded_image_status",
"tags": [],
"reasons": {}
},
{
"tool": "get_design_craft_guide",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "2ceeb3f1c944e84549ea028e4ec345f09ee736d256772ebb057f0a4266bcbf8b",
"stats": {
"tools": 45,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 1,
"low": 1,
"info": 1
}
}
}