Selenium (sirblob) MCP Server
@sirblob/mcp-selenium
npm
v1.0.3
Published by @sirblob — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
Selenium WebDriver MCP Server
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 0 = 100. What the published surface and source actually contain:
The deterministic scan raised no scored threat in the surface it inspected — the threat score stayed at 100. Capability observations and advisory notes are recorded but never lower it.
2. Client adoption risk — 100 − 7 = 93. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −6 | capability blast radius (high) — client exposure if the model is manipulated |
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 2
high Shell/command execution in server code (dist/bin/mcp-selenium.js)MTC-SRC-002
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.
Evidence: import { spawn } from 'child_process'; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__f
Fix: 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: server dist/bin/mcp-selenium.js
medium Untrusted input can drive an external actionMTC-FLOW-005
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.
Evidence: untrusted [get_page_title, get_page_source] → sinks [upload_file]
Fix: Require confirmation for state-changing/egress actions triggered after processing untrusted content.
Location: flow get_page_title → upload_file
Tools 86
Each tool and what it can reach — statically extracted from the published source.
get_page_sourceingests untrusted inputget_page_titleingests untrusted inputupload_filenetwork egressadd_cookieno sensitive capabilityclick_elementno sensitive capabilityclick_element_by_xpath_textno sensitive capabilityclick_list_itemno sensitive capabilityclick_list_item_by_textno sensitive capabilityclick_table_cellno sensitive capabilityclose_sessionno sensitive capability
Show 76 more tools ↓
close_windowno sensitive capabilitycount_elements_by_xpathno sensitive capabilitydelete_all_cookiesno sensitive capabilitydelete_cookieno sensitive capabilitydouble_clickno sensitive capabilitydrag_and_dropno sensitive capabilityevaluate_xpathno sensitive capabilityexecute_async_javascriptno sensitive capabilityexecute_javascriptno sensitive capabilityfilter_list_itemsno sensitive capabilityfind_elementno sensitive capabilityfind_element_by_xpath_attributeno sensitive capabilityfind_element_by_xpath_indexno sensitive capabilityfind_elements_by_xpathno sensitive capabilityfind_list_item_by_textno sensitive capabilityfind_parent_elementno sensitive capabilityfind_sibling_elementno sensitive capabilityfind_table_row_by_textno sensitive capabilityget_browser_statusno sensitive capabilityget_cookiesno sensitive capabilityget_current_urlno sensitive capabilityget_element_attributeno sensitive capabilityget_element_attribute_by_xpathno sensitive capabilityget_element_css_propertyno sensitive capabilityget_element_sourceno sensitive capabilityget_element_source_by_xpathno sensitive capabilityget_element_textno sensitive capabilityget_element_xpathno sensitive capabilityget_elements_xpathno sensitive capabilityget_list_itemno sensitive capabilityget_list_item_countno sensitive capabilityget_list_itemsno sensitive capabilityget_nested_listsno sensitive capabilityget_select_optionsno sensitive capabilityget_selected_optionno sensitive capabilityget_table_cellno sensitive capabilityget_table_column_countno sensitive capabilityget_table_datano sensitive capabilityget_table_row_countno sensitive capabilityget_titleno sensitive capabilityget_window_handlesno sensitive capabilityget_window_sizeno sensitive capabilityget_xpath_text_contentno sensitive capabilitygo_backno sensitive capabilitygo_forwardno sensitive capabilityhighlight_elementno sensitive capabilityhoverno sensitive capabilityhover_elementno sensitive capabilityis_element_displayedno sensitive capabilityis_element_enabledno sensitive capabilityis_element_selectedno sensitive capabilitymaximize_windowno sensitive capabilitynavigateno sensitive capabilitypage_sourceno sensitive capabilitypress_keyno sensitive capabilityrefresh_pageno sensitive capabilityright_clickno sensitive capabilityscroll_by_pixelsno sensitive capabilityscroll_element_into_viewno sensitive capabilityscroll_to_bottomno sensitive capabilityscroll_to_coordinatesno sensitive capabilityscroll_to_elementno sensitive capabilityscroll_to_topno sensitive capabilityselect_option_by_indexno sensitive capabilityselect_option_by_textno sensitive capabilityselect_option_by_valueno sensitive capabilitysend_key_combinationno sensitive capabilitysend_keysno sensitive capabilityset_window_sizeno sensitive capabilitystart_browserno sensitive capabilityswitch_to_default_contentno sensitive capabilityswitch_to_frameno sensitive capabilityswitch_to_windowno sensitive capabilityswitch_to_window_by_titleno sensitive capabilityswitch_to_window_by_urlno sensitive capabilitytake_screenshotno sensitive capability
Toxic flows 1
Cross-tool combinations that form a data-exfiltration primitive (untrusted input → sensitive source → external sink).
What this scan could not see
- 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>".
Versions 1
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v1.0.3 latest |
A 93/100 | 2 | 1.13.0 | 2026-09-07 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
npx mcptrustchecker scan @sirblob/mcp-selenium --onlineOther implementations of Selenium 14
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