Retrieve a note by its title
AI agents call get_note to retrieve information from Simple MCP Server Tutorial without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing data (a note) without modifying, deleting, or executing any code. It is a pure read operation that returns information based on a title parameter. The blast radius of misuse is minimal—an attacker could only read notes they have access to, with no ability to modify or destroy data.
From the tool's definition Tool name 'get_note' and description 'Retrieve a note by its title' indicate a query operation with no side effects.
Attacks that exploit this kind of access
Retrieve a note by its title. It is categorised as a Read tool in the Simple MCP Server Tutorial MCP Server, which means it retrieves data without modifying state.
Register the Simple MCP Server Tutorial MCP server in PolicyLayer and add a rule for get_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 Simple MCP Server Tutorial. Nothing to install.
get_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 get_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 get_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.
get_note is provided by the Simple MCP Server Tutorial MCP server (xarsenicx/simple-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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