AI agents call list_pages to retrieve information from Electron without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query of the Electron app's current page/window state. It retrieves data (list of pages and their ids) but does not modify, delete, or execute any operations. The information returned is used by other tools (select_page, close_page) but this tool itself has no side effects.
From the tool's definition Tool description states 'List open pages (tabs/windows)' which retrieves information about open pages without modifying or executing actions.
Attacks that exploit this kind of access
List open pages (tabs/windows). Use returned id in select_page, close_page, etc. It is categorised as a Read tool in the Electron MCP Server, which means it retrieves data without modifying state.
Register the Electron MCP server in PolicyLayer and add a rule for list_pages: 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 Electron. Nothing to install.
list_pages 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_pages 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_pages. 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_pages is provided by the Electron MCP server (ohah/electron-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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