MCP Tool: Calculates the path for a daily note. Raises error if path invalid.
AI agents call get_daily_note_path to retrieve information from Obsidian MCP Tool Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only calculation of a file path. It has no side effects, creates no data, executes no code, and modifies nothing. It falls squarely into the Read category. Severity is low because even if misused, returning an invalid path causes only an error, with no blast radius to the user's vault or system.
From the tool's definition Tool description states it 'Calculates the path for a daily note' — a query operation that retrieves path information without modifying any data.
Documented attack patterns abuse exactly the kind of access get_daily_note_path gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Obsidian MCP Tool Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_daily_note_path:
{
"version": "1",
"default": "deny",
"tools": {
"get_daily_note_path": {}
}
}get_daily_note_path is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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MCP Tool: Calculates the path for a daily note. Raises error if path invalid. It is categorised as a Read tool in the Obsidian MCP Tool Server MCP Server, which means it retrieves data without modifying state.
Register the Obsidian MCP Tool Server MCP server in PolicyLayer and add a rule for get_daily_note_path: 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 MCP Tool Server. Nothing to install.
get_daily_note_path 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_path 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_path. 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_path is provided by the Obsidian MCP Tool Server MCP server (rwb3n/obsidian-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 18 Obsidian MCP Tool Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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18 Obsidian MCP Tool Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.