list_notes
AI agents call list_notes to retrieve information from NotesKeep MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description reducing confidence slightly, the tool name 'list_notes' clearly indicates a read operation that queries and returns a list of notes. No creation, modification, deletion, or execution is implied. This aligns with the Read category for tools that retrieve data without side effects.
From the tool's definition Tool name 'list_notes' indicates retrieval/querying of notes without modification. The server description mentions supporting 'managing' notes including creating, updating, and organizing, but this specific tool has an empty description.
Attacks that exploit this kind of access
list_notes. It is categorised as a Read tool in the NotesKeep MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NotesKeep MCP Server MCP server in PolicyLayer and add a rule for list_notes: 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 NotesKeep MCP Server. Nothing to install.
list_notes 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_notes 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_notes. 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_notes is provided by the NotesKeep MCP Server MCP server (mariomosca/noteskeep-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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