Seleniumboot — the complete, unedited output of the deterministic mcptrustchecker engine v1.9.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.9.0",
"methodologyVersion": "mcptrustchecker-1.9"
},
"target": {
"id": "seleniumboot-mcp",
"source": {
"kind": "package",
"origin": "seleniumboot-mcp"
},
"server": {
"name": "seleniumboot-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-1.9"
},
"capability": {
"level": "high",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"can execute shell commands or code"
],
"tags": [
"untrusted-input",
"code-exec",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (85 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 \"execute_script\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"execute_script\" appears to run shell commands or evaluate code (parameter \"script\"). 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": "execute_script"
},
"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_source, get_page_title, inspect_page, get_network_logs]) co-exist with external-action tools ([execute_script, upload_file]). 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_source → execute_script"
},
"evidence": "untrusted [get_page_source, get_page_title, inspect_page, get_network_logs] → sinks [execute_script, upload_file]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_page_source",
"get_page_title",
"inspect_page",
"get_network_logs"
],
"sinks": [
"execute_script",
"upload_file"
]
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url_filter\" on \"get_network_logs\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"get_network_logs\" takes a URL/host parameter \"url_filter\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "get_network_logs",
"field": "inputSchema.properties.url_filter"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url_filter"
}
},
{
"ruleId": "MTC-CAP-006",
"title": "Unconstrained command parameter \"script\" on \"execute_script\"",
"category": "permissions",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"execute_script\" takes a command-shaped parameter \"script\" with no enum/pattern constraint. Free-form, model- or attacker-controlled arguments reaching a shell is the command-injection precondition.",
"remediation": "Constrain the parameter (enum/pattern), or build the command from a fixed template with escaped args.",
"location": {
"kind": "tool",
"name": "execute_script",
"field": "inputSchema.properties.script"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"param": "script"
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"execute_script\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"execute_script\" 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": "execute_script"
},
"data": {
"tags": [
"code-exec"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_page_source",
"get_page_title",
"inspect_page",
"get_network_logs"
],
"sensitiveSource": [],
"externalSink": [
"execute_script",
"upload_file"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "assert_title",
"tags": [],
"reasons": {}
},
{
"tool": "assert_url",
"tags": [],
"reasons": {}
},
{
"tool": "assert_text",
"tags": [],
"reasons": {}
},
{
"tool": "assert_element_visible",
"tags": [],
"reasons": {}
},
{
"tool": "assert_element_not_visible",
"tags": [],
"reasons": {}
},
{
"tool": "assert_attribute",
"tags": [],
"reasons": {}
},
{
"tool": "assert_page_contains",
"tags": [],
"reasons": {}
},
{
"tool": "assert_element_count",
"tags": [],
"reasons": {}
},
{
"tool": "start_browser",
"tags": [],
"reasons": {}
},
{
"tool": "navigate",
"tags": [],
"reasons": {}
},
{
"tool": "take_screenshot",
"tags": [],
"reasons": {}
},
{
"tool": "get_page_source",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get_page_title",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get_current_url",
"tags": [],
"reasons": {}
},
{
"tool": "close_browser",
"tags": [],
"reasons": {}
},
{
"tool": "go_back",
"tags": [],
"reasons": {}
},
{
"tool": "go_forward",
"tags": [],
"reasons": {}
},
{
"tool": "refresh",
"tags": [],
"reasons": {}
},
{
"tool": "execute_script",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"parameter \"script\""
]
}
},
{
"tool": "switch_to_window",
"tags": [],
"reasons": {}
},
{
"tool": "open_new_tab",
"tags": [],
"reasons": {}
},
{
"tool": "close_current_tab",
"tags": [],
"reasons": {}
},
{
"tool": "list_windows",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_top",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_bottom",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_by",
"tags": [],
"reasons": {}
},
{
"tool": "emulate_device",
"tags": [],
"reasons": {}
},
{
"tool": "get_console_logs",
"tags": [],
"reasons": {}
},
{
"tool": "get_cookies",
"tags": [],
"reasons": {}
},
{
"tool": "set_cookie",
"tags": [],
"reasons": {}
},
{
"tool": "delete_cookie",
"tags": [],
"reasons": {}
},
{
"tool": "delete_all_cookies",
"tags": [],
"reasons": {}
},
{
"tool": "get_local_storage",
"tags": [],
"reasons": {}
},
{
"tool": "set_local_storage",
"tags": [],
"reasons": {}
},
{
"tool": "get_session_storage",
"tags": [],
"reasons": {}
},
{
"tool": "set_session_storage",
"tags": [],
"reasons": {}
},
{
"tool": "inspect_page",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_network_logs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "mock_response",
"tags": [],
"reasons": {}
},
{
"tool": "clear_mock_responses",
"tags": [],
"reasons": {}
},
{
"tool": "compare_screenshot",
"tags": [],
"reasons": {}
},
{
"tool": "check_accessibility",
"tags": [],
"reasons": {}
},
{
"tool": "wait_for_network_idle",
"tags": [],
"reasons": {}
},
{
"tool": "generate_python_test",
"tags": [],
"reasons": {}
},
{
"tool": "generate_java_testng",
"tags": [],
"reasons": {}
},
{
"tool": "generate_java_junit5",
"tags": [],
"reasons": {}
},
{
"tool": "detect_selenium_boot",
"tags": [],
"reasons": {}
},
{
"tool": "get_session_log",
"tags": [],
"reasons": {}
},
{
"tool": "clear_session_log",
"tags": [],
"reasons": {}
},
{
"tool": "generate_gherkin",
"tags": [],
"reasons": {}
},
{
"tool": "generate_csharp_nunit",
"tags": [],
"reasons": {}
},
{
"tool": "generate_github_actions",
"tags": [],
"reasons": {}
},
{
"tool": "generate_jenkins_pipeline",
"tags": [],
"reasons": {}
},
{
"tool": "generate_gitlab_ci",
"tags": [],
"reasons": {}
},
{
"tool": "generate_playwright_hints",
"tags": [],
"reasons": {}
},
{
"tool": "generate_java_page_object",
"tags": [],
"reasons": {}
},
{
"tool": "find_element",
"tags": [],
"reasons": {}
},
{
"tool": "find_elements",
"tags": [],
"reasons": {}
},
{
"tool": "click",
"tags": [],
"reasons": {}
},
{
"tool": "type_text",
"tags": [],
"reasons": {}
},
{
"tool": "get_text",
"tags": [],
"reasons": {}
},
{
"tool": "get_attribute",
"tags": [],
"reasons": {}
},
{
"tool": "select_option",
"tags": [],
"reasons": {}
},
{
"tool": "hover",
"tags": [],
"reasons": {}
},
{
"tool": "double_click",
"tags": [],
"reasons": {}
},
{
"tool": "right_click",
"tags": [],
"reasons": {}
},
{
"tool": "drag_and_drop",
"tags": [],
"reasons": {}
},
{
"tool": "is_displayed",
"tags": [],
"reasons": {}
},
{
"tool": "is_enabled",
"tags": [],
"reasons": {}
},
{
"tool": "wait_for_element",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_element",
"tags": [],
"reasons": {}
},
{
"tool": "clear_field",
"tags": [],
"reasons": {}
},
{
"tool": "fill_form",
"tags": [],
"reasons": {}
},
{
"tool": "get_healed_locators",
"tags": [],
"reasons": {}
},
{
"tool": "clear_healed_locators",
"tags": [],
"reasons": {}
},
{
"tool": "accept_alert",
"tags": [],
"reasons": {}
},
{
"tool": "dismiss_alert",
"tags": [],
"reasons": {}
},
{
"tool": "get_alert_text",
"tags": [],
"reasons": {}
},
{
"tool": "type_in_alert",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_frame",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_default_content",
"tags": [],
"reasons": {}
},
{
"tool": "send_keys",
"tags": [],
"reasons": {}
},
{
"tool": "upload_file",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"upload_file\""
]
}
},
{
"tool": "find_shadow_element",
"tags": [],
"reasons": {}
},
{
"tool": "get_table_data",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "0bf30165473b7cdd9f7a1546deb24754d007fa6f9c55ebbfc95a89ccac2cac14",
"stats": {
"tools": 85,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 3,
"low": 1,
"info": 0
}
}
}