AI agents call get_daily_note to retrieve information from Obsidian Ai Curator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves or fetches data (today's daily note) with no side effects or modifications. This is a straightforward Read category operation. Severity is low because accessing a personal note file has minimal blast radius. Confidence is 0.85 rather than higher due to the incomplete description ('Get today' appears truncated), but the name and context strongly suggest a simple retrieval operation.
From the tool's definition Tool name 'get_daily_note' and description 'Get today' indicate retrieval of an existing daily note without modification. This is a read-only query operation on the user's Obsidian vault.
Documented attack patterns abuse exactly the kind of access get_daily_note gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Obsidian Ai Curator, and nothing reaches the server without passing your rules. This is the rule we recommend for get_daily_note:
{
"version": "1",
"default": "deny",
"tools": {
"get_daily_note": {}
}
}get_daily_note is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get today. It is categorised as a Read tool in the Obsidian Ai Curator MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Ai Curator MCP server in PolicyLayer and add a rule for get_daily_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 Obsidian Ai Curator. Nothing to install.
get_daily_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_daily_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_daily_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_daily_note is provided by the Obsidian Ai Curator MCP server (nwant/obsidian-ai-curator). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Obsidian Ai Curator, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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27 Obsidian Ai Curator tools catalogued and risk-classified — across an index of 43,000+ MCP servers.