Selenium — 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": "@sirblob/mcp-selenium",
"source": {
"kind": "package",
"origin": "@sirblob/mcp-selenium"
},
"server": {
"name": "@sirblob/mcp-selenium"
}
},
"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": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"can execute shell commands or code"
],
"tags": [
"external-sink",
"untrusted-input",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (86 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/bin/mcp-selenium.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/bin/mcp-selenium.js:4`): 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/bin/mcp-selenium.js"
},
"evidence": "import { spawn } from 'child_process'; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__f",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/bin/mcp-selenium.js",
"line": 4,
"nonRuntime": false
}
},
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([get_page_title, get_page_source]) co-exist with external-action tools ([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_title → upload_file"
},
"evidence": "untrusted [get_page_title, get_page_source] → sinks [upload_file]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_page_title",
"get_page_source"
],
"sinks": [
"upload_file"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_page_title",
"get_page_source"
],
"sensitiveSource": [],
"externalSink": [
"upload_file"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "start_browser",
"tags": [],
"reasons": {}
},
{
"tool": "navigate",
"tags": [],
"reasons": {}
},
{
"tool": "close_session",
"tags": [],
"reasons": {}
},
{
"tool": "get_browser_status",
"tags": [],
"reasons": {}
},
{
"tool": "get_cookies",
"tags": [],
"reasons": {}
},
{
"tool": "add_cookie",
"tags": [],
"reasons": {}
},
{
"tool": "delete_cookie",
"tags": [],
"reasons": {}
},
{
"tool": "delete_all_cookies",
"tags": [],
"reasons": {}
},
{
"tool": "find_element",
"tags": [],
"reasons": {}
},
{
"tool": "click_element",
"tags": [],
"reasons": {}
},
{
"tool": "send_keys",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_text",
"tags": [],
"reasons": {}
},
{
"tool": "upload_file",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"upload_file\""
]
}
},
{
"tool": "find_elements_by_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_attribute_by_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "click_element_by_xpath_text",
"tags": [],
"reasons": {}
},
{
"tool": "find_element_by_xpath_attribute",
"tags": [],
"reasons": {}
},
{
"tool": "find_parent_element",
"tags": [],
"reasons": {}
},
{
"tool": "find_sibling_element",
"tags": [],
"reasons": {}
},
{
"tool": "find_element_by_xpath_index",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "get_elements_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_element",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_element_into_view",
"tags": [],
"reasons": {}
},
{
"tool": "highlight_element",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_attribute",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_css_property",
"tags": [],
"reasons": {}
},
{
"tool": "is_element_displayed",
"tags": [],
"reasons": {}
},
{
"tool": "is_element_enabled",
"tags": [],
"reasons": {}
},
{
"tool": "is_element_selected",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_source",
"tags": [],
"reasons": {}
},
{
"tool": "select_option_by_text",
"tags": [],
"reasons": {}
},
{
"tool": "select_option_by_value",
"tags": [],
"reasons": {}
},
{
"tool": "select_option_by_index",
"tags": [],
"reasons": {}
},
{
"tool": "get_select_options",
"tags": [],
"reasons": {}
},
{
"tool": "get_selected_option",
"tags": [],
"reasons": {}
},
{
"tool": "get_table_data",
"tags": [],
"reasons": {}
},
{
"tool": "get_table_cell",
"tags": [],
"reasons": {}
},
{
"tool": "click_table_cell",
"tags": [],
"reasons": {}
},
{
"tool": "get_table_row_count",
"tags": [],
"reasons": {}
},
{
"tool": "get_table_column_count",
"tags": [],
"reasons": {}
},
{
"tool": "find_table_row_by_text",
"tags": [],
"reasons": {}
},
{
"tool": "get_list_items",
"tags": [],
"reasons": {}
},
{
"tool": "get_list_item",
"tags": [],
"reasons": {}
},
{
"tool": "click_list_item",
"tags": [],
"reasons": {}
},
{
"tool": "click_list_item_by_text",
"tags": [],
"reasons": {}
},
{
"tool": "find_list_item_by_text",
"tags": [],
"reasons": {}
},
{
"tool": "get_list_item_count",
"tags": [],
"reasons": {}
},
{
"tool": "get_nested_lists",
"tags": [],
"reasons": {}
},
{
"tool": "filter_list_items",
"tags": [],
"reasons": {}
},
{
"tool": "hover",
"tags": [],
"reasons": {}
},
{
"tool": "drag_and_drop",
"tags": [],
"reasons": {}
},
{
"tool": "double_click",
"tags": [],
"reasons": {}
},
{
"tool": "right_click",
"tags": [],
"reasons": {}
},
{
"tool": "press_key",
"tags": [],
"reasons": {}
},
{
"tool": "send_key_combination",
"tags": [],
"reasons": {}
},
{
"tool": "hover_element",
"tags": [],
"reasons": {}
},
{
"tool": "take_screenshot",
"tags": [],
"reasons": {}
},
{
"tool": "get_current_url",
"tags": [],
"reasons": {}
},
{
"tool": "get_title",
"tags": [],
"reasons": {}
},
{
"tool": "page_source",
"tags": [],
"reasons": {}
},
{
"tool": "execute_javascript",
"tags": [],
"reasons": {}
},
{
"tool": "execute_async_javascript",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_top",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_bottom",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_by_pixels",
"tags": [],
"reasons": {}
},
{
"tool": "scroll_to_coordinates",
"tags": [],
"reasons": {}
},
{
"tool": "go_back",
"tags": [],
"reasons": {}
},
{
"tool": "go_forward",
"tags": [],
"reasons": {}
},
{
"tool": "refresh_page",
"tags": [],
"reasons": {}
},
{
"tool": "get_page_title",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get_page_source",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "switch_to_frame",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_default_content",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_window",
"tags": [],
"reasons": {}
},
{
"tool": "get_window_handles",
"tags": [],
"reasons": {}
},
{
"tool": "maximize_window",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_window_by_title",
"tags": [],
"reasons": {}
},
{
"tool": "switch_to_window_by_url",
"tags": [],
"reasons": {}
},
{
"tool": "get_window_size",
"tags": [],
"reasons": {}
},
{
"tool": "set_window_size",
"tags": [],
"reasons": {}
},
{
"tool": "close_window",
"tags": [],
"reasons": {}
},
{
"tool": "evaluate_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "count_elements_by_xpath",
"tags": [],
"reasons": {}
},
{
"tool": "get_xpath_text_content",
"tags": [],
"reasons": {}
},
{
"tool": "get_element_source_by_xpath",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "28ea7849d3fb1ecae75a8374f6eb747f95b629392fbb596223feccd566446f82",
"stats": {
"tools": 86,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 1,
"low": 0,
"info": 0
}
}
}