Find notes by date range, tags, or friendly name pattern
AI agents call find_note to retrieve information from Notes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves notes based on filtering criteria (date range, tags, name pattern) without modifying, deleting, or executing any operations. It is a pure read operation with minimal security risk—an AI agent cannot misuse it to cause harm beyond potentially accessing notes it shouldn't, which is a data confidentiality concern but not a tool capability risk.
From the tool's definition Tool name 'find_note' and description 'Find notes by date range, tags, or friendly name pattern' indicate a search/retrieval operation. No modification, deletion, or execution capabilities are mentioned.
Attacks that exploit this kind of access
Find notes by date range, tags, or friendly name pattern. It is categorised as a Read tool in the Notes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Notes MCP Server MCP server in PolicyLayer and add a rule for find_note: 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 Notes MCP Server. Nothing to install.
find_note 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 find_note 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 find_note. 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.
find_note is provided by the Notes MCP Server MCP server (namp10010/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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