AI agents call list_pages to retrieve information from Onenote without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves information about pages within a OneNote section. It does not modify, delete, execute code, or perform financial transactions. It is a straightforward data retrieval operation with no side effects. The low severity reflects that listing pages poses minimal risk even if misused by an agent.
From the tool's definition Tool description states 'List pages in a specific section' which retrieves/queries data without side effects. The server description emphasizes 'reading and listing content' as primary functions.
Documented attack patterns abuse exactly the kind of access list_pages gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Onenote, and nothing reaches the server without passing your rules. This is the rule we recommend for list_pages:
{
"version": "1",
"default": "deny",
"tools": {
"list_pages": {}
}
}list_pages is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List pages in a specific section. It is categorised as a Read tool in the Onenote MCP Server, which means it retrieves data without modifying state.
Register the Onenote 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 Onenote. 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 Onenote MCP server (purpleslurple/onenote-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 12 Onenote tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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12 Onenote tools catalogued and risk-classified — across an index of 42,500+ MCP servers.