Get all options from a dropdown element. Args: index (int): The index of the dropdown element. Returns: str: A formatted string listing all dropdown options.
AI agents call get_dropdown_options to retrieve information from Mcp Browser Use without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the state of a UI element (a dropdown) and returns information about available options. It has no side effects, does not modify data, execute arbitrary code, or perform destructive actions. It is purely informational, making it a Read category tool with low severity.
From the tool's definition Tool name is 'get_dropdown_options' and description states it retrieves and returns dropdown options without modifying state. The return value is 'A formatted string listing all dropdown options,' indicating data retrieval only.
Documented attack patterns abuse exactly the kind of access get_dropdown_options gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Browser Use, and nothing reaches the server without passing your rules. This is the rule we recommend for get_dropdown_options:
{
"version": "1",
"default": "deny",
"tools": {
"get_dropdown_options": {}
}
}get_dropdown_options is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all options from a dropdown element. Args: index (int): The index of the dropdown element. Returns: str: A formatted string listing all dropdown options. It is categorised as a Read tool in the Mcp Browser Use MCP Server, which means it retrieves data without modifying state.
Register the Mcp Browser Use MCP server in PolicyLayer and add a rule for get_dropdown_options: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp Browser Use. Nothing to install.
get_dropdown_options is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_dropdown_options rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_dropdown_options. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_dropdown_options is provided by the Mcp Browser Use MCP server (vinayak-mehta/mcp-browser-use). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 19 Mcp Browser Use tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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19 Mcp Browser Use tools catalogued and risk-classified — across an index of 42,500+ MCP servers.