AI agents call get-page 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.
The get-page tool performs a straightforward query operation to fetch metadata about a OneNote page. It has no side effects, does not modify or delete data, and operates within the Read category. The blast radius of misuse is minimal—an AI agent could only retrieve information about pages it has access to.
From the tool's definition Tool retrieves page metadata only (title, timestamps, parent info) without modifying or deleting data. Description explicitly states it does NOT return page content, confirming read-only retrieval.
Attacks that exploit this kind of access
Get metadata for a specific OneNote page by its ID. Returns title, timestamps, and parent info but NOT the page content. Use get-page-content to retrieve the actual HTML content. 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 get-page: 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.
get-page 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-page 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-page. 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-page is provided by the Onenote MCP server (jacob-hartmann/onenote-mcp). 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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