List all open tabs with their URLs
AI agents call list_tabs to retrieve information from Chrome Profile MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about open browser tabs. It performs no mutations, does not execute code or commands, and does not create, modify, or delete data. The action is purely informational, consistent with the 'Read' category for data retrieval operations.
From the tool's definition Tool name 'list_tabs' and description 'List all open tabs with their URLs' indicate retrieval of tab information without modification or side effects.
Attacks that exploit this kind of access
List all open tabs with their URLs. It is categorised as a Read tool in the Chrome Profile MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Chrome Profile MCP Server MCP server in PolicyLayer and add a rule for list_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 Chrome Profile MCP Server. Nothing to install.
list_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 list_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 list_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.
list_tabs is provided by the Chrome Profile MCP Server MCP server (nghiahsgs/vibe-mcp-chrome). 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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