List notes, optionally restricted to a folder.
AI agents call notes_list to retrieve information from Apple Notes MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates notes data without modifying, deleting, or executing anything. It is a straightforward query operation that fits the Read category. Severity is low as misuse would only result in information disclosure of notes already accessible to the agent on the local system.
From the tool's definition Tool name 'notes_list' and description 'List notes, optionally restricted to a folder' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List notes, optionally restricted to a folder. It is categorised as a Read tool in the Apple Notes MCP MCP Server, which means it retrieves data without modifying state.
Register the Apple Notes MCP server in PolicyLayer and add a rule for notes_list: 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 Apple Notes MCP. Nothing to install.
notes_list 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 notes_list 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 notes_list. 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.
notes_list is provided by the Apple Notes MCP server (renatoaraujo/apple-notes-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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