AI agents call get_search to retrieve information from Evernote MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves (reads) information about a saved search using its unique identifier. It performs a query operation with no side effects, no data modification, and no irreversible actions. The action is purely informational retrieval, making it a Read category tool with low severity.
From the tool's definition Tool name is 'get_search' and description states 'Get saved search details by GUID' — a retrieval operation with no modification or deletion.
Documented attack patterns abuse exactly the kind of access get_search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Evernote MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_search:
{
"version": "1",
"default": "deny",
"tools": {
"get_search": {}
}
} get_search is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get saved search details by GUID. It is categorised as a Read tool in the Evernote MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Evernote MCP Server MCP server in PolicyLayer and add a rule for get_search: 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 Evernote MCP Server. Nothing to install.
get_search 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_search 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_search. 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_search is provided by the Evernote MCP Server MCP server (kensou24/evernote-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Evernote MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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52 Evernote MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.