get_tabs
AI agents call get_tabs to retrieve information from Selenium MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about open browser tabs without modifying state, executing commands, or triggering external operations. While the description is empty, the naming convention and context from sibling tools strongly indicate a read operation. The minimal blast radius—an agent learning which tabs exist causes no side effects—supports low severity.
From the tool's definition Tool name 'get_tabs' follows a retrieval pattern consistent with sibling read-only tools like 'get_current_tab', 'get_page_text', 'get_page_title', and 'get_accessibility_tree'. The 'get_' prefix and plural 'tabs' suggest querying browser state.
Attacks that exploit this kind of access
get_tabs. It is categorised as a Read tool in the Selenium MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Selenium MCP Server MCP server in PolicyLayer and add a rule for get_tabs: 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 Selenium MCP Server. Nothing to install.
get_tabs 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_tabs 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_tabs. 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_tabs is provided by the Selenium MCP Server MCP server (nayakprashant/selenium-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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