AI agents call get-notebook 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 retrieves and queries notebook information (sections, section groups) by ID. It performs no modifications, deletions, or side effects on data. The action is purely informational and read-only, consistent with the Read category (get, fetch operations). Low severity because retrieving metadata about notebooks poses minimal risk of unintended harm to data or system state.
From the tool's definition Tool name 'get-notebook' and description 'Get detailed information about a specific OneNote notebook by its ID, including its sections and section groups' indicate retrieval of notebook metadata without modification.
Attacks that exploit this kind of access
Get detailed information about a specific OneNote notebook by its ID, including its sections and section groups. Use list-notebooks first to find the notebook ID. 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-notebook: 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-notebook 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-notebook 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-notebook. 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-notebook 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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