Stellify — 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": "@stellisoft/stellify-mcp",
"source": {
"kind": "package",
"origin": "@stellisoft/stellify-mcp"
},
"server": {
"name": "@stellisoft/stellify-mcp"
}
},
"grade": "A",
"score": {
"score": 93,
"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": "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": "high",
"reasons": [
"can create, modify or delete files",
"can execute shell commands or code"
],
"tags": [
"file-write",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (60 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 \"run_code\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"run_code\" appears to run shell commands or evaluate code (keyword \"run_code\" 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": "run_code"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"create_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"create_file\" can write, overwrite or delete files (keyword \"create_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "create_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"save_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"save_file\" can write, overwrite or delete files (keyword \"save_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "save_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"delete_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"delete_file\" can write, overwrite or delete files (keyword \"delete_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "delete_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"create_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"create_file\" 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": "create_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"save_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"save_file\" 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": "save_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"delete_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"delete_file\" 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": "delete_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"run_code\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"run_code\" 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": "run_code"
},
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-CAP-008",
"title": "Unconstrained path parameter \"directory\" on \"delete_file\"",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"delete_file\" takes a path parameter \"directory\" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.",
"remediation": "Resolve and verify the path stays within an allowed root; reject traversal sequences.",
"location": {
"kind": "tool",
"name": "delete_file",
"field": "inputSchema.properties.directory"
},
"data": {
"param": "directory"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "load_tools",
"tags": [],
"reasons": {}
},
{
"tool": "get_stellify_framework_api",
"tags": [],
"reasons": {}
},
{
"tool": "get_project",
"tags": [],
"reasons": {}
},
{
"tool": "create_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"create_file\" in tool name"
]
}
},
{
"tool": "create_method",
"tags": [],
"reasons": {}
},
{
"tool": "add_method_body",
"tags": [],
"reasons": {}
},
{
"tool": "replace_method_body",
"tags": [],
"reasons": {}
},
{
"tool": "rename_variable",
"tags": [],
"reasons": {}
},
{
"tool": "save_method",
"tags": [],
"reasons": {}
},
{
"tool": "search_methods",
"tags": [],
"reasons": {}
},
{
"tool": "search_attributes",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_attributes",
"tags": [],
"reasons": {}
},
{
"tool": "delete_method",
"tags": [],
"reasons": {}
},
{
"tool": "get_method",
"tags": [],
"reasons": {}
},
{
"tool": "search_files",
"tags": [],
"reasons": {}
},
{
"tool": "create_route",
"tags": [],
"reasons": {}
},
{
"tool": "get_route",
"tags": [],
"reasons": {}
},
{
"tool": "save_route",
"tags": [],
"reasons": {}
},
{
"tool": "delete_route",
"tags": [],
"reasons": {}
},
{
"tool": "search_routes",
"tags": [],
"reasons": {}
},
{
"tool": "create_element",
"tags": [],
"reasons": {}
},
{
"tool": "update_element",
"tags": [],
"reasons": {}
},
{
"tool": "get_element",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_tree",
"tags": [],
"reasons": {}
},
{
"tool": "delete_element",
"tags": [],
"reasons": {}
},
{
"tool": "search_elements",
"tags": [],
"reasons": {}
},
{
"tool": "html_to_elements",
"tags": [],
"reasons": {}
},
{
"tool": "get_statement",
"tags": [],
"reasons": {}
},
{
"tool": "create_statement",
"tags": [],
"reasons": {}
},
{
"tool": "create_statement_with_code",
"tags": [],
"reasons": {}
},
{
"tool": "add_statement_code",
"tags": [],
"reasons": {}
},
{
"tool": "delete_statement",
"tags": [],
"reasons": {}
},
{
"tool": "save_statement",
"tags": [],
"reasons": {}
},
{
"tool": "save_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"save_file\" in tool name"
]
}
},
{
"tool": "get_file",
"tags": [],
"reasons": {}
},
{
"tool": "delete_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"delete_file\" in tool name"
]
}
},
{
"tool": "get_directory",
"tags": [],
"reasons": {}
},
{
"tool": "create_directory",
"tags": [],
"reasons": {}
},
{
"tool": "save_directory",
"tags": [],
"reasons": {}
},
{
"tool": "broadcast_element_command",
"tags": [],
"reasons": {}
},
{
"tool": "create_resources",
"tags": [],
"reasons": {}
},
{
"tool": "search_code",
"tags": [],
"reasons": {}
},
{
"tool": "reuse_code",
"tags": [],
"reasons": {}
},
{
"tool": "list_forks",
"tags": [],
"reasons": {}
},
{
"tool": "variant_counts",
"tags": [],
"reasons": {}
},
{
"tool": "submit_code",
"tags": [],
"reasons": {}
},
{
"tool": "run_code",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"run_code\" in tool name"
]
}
},
{
"tool": "run_migration",
"tags": [],
"reasons": {}
},
{
"tool": "run_tests",
"tags": [],
"reasons": {}
},
{
"tool": "publish",
"tags": [],
"reasons": {}
},
{
"tool": "request_capability",
"tags": [],
"reasons": {}
},
{
"tool": "install_package",
"tags": [],
"reasons": {}
},
{
"tool": "list_capabilities",
"tags": [],
"reasons": {}
},
{
"tool": "set_capability",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_performance",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_quality",
"tags": [],
"reasons": {}
},
{
"tool": "get_setting",
"tags": [],
"reasons": {}
},
{
"tool": "save_setting",
"tags": [],
"reasons": {}
},
{
"tool": "delete_setting",
"tags": [],
"reasons": {}
},
{
"tool": "get_assembled_code",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "f60e446a54ad50d55470534b8ad9c7cda34244774b823bbe80c9030fc3115d12",
"stats": {
"tools": 60,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 3,
"low": 5,
"info": 0
}
}
}