Search notes by title, body, or both. Returns headers only. Requires Notes.app to be running.
AI agents call notes.search to retrieve information from Orchard without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a read-only search operation on notes, returning only headers. It has no side effects, cannot modify data, and does not execute commands or access financial systems. The minimal information returned (headers only) further limits potential exposure from misuse.
From the tool's definition Tool description states "Search notes by title, body, or both. Returns headers only." This is a search operation that retrieves data without modifying or deleting anything.
Documented attack patterns abuse exactly the kind of access notes.search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Orchard, and nothing reaches the server without passing your rules. This is the rule we recommend for notes.search:
{
"version": "1",
"default": "deny",
"tools": {
"notes.search": {}
}
}notes.search is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search notes by title, body, or both. Returns headers only. Requires Notes.app to be running. It is categorised as a Read tool in the Orchard MCP Server, which means it retrieves data without modifying state.
Register the Orchard MCP server in PolicyLayer and add a rule for notes.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 Orchard. Nothing to install.
notes.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 notes.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 notes.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.
notes.search is provided by the Orchard MCP server (l22-io/orchard-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Orchard, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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65 Orchard tools catalogued and risk-classified — across an index of 43,000+ MCP servers.