Get most recent periodic notes for a specified period type.
AI agents call get_recent_periodic_notes to retrieve information from Obsidian Modified without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries existing periodic notes (daily/weekly/monthly notes commonly used in Obsidian) without modifying, executing, or deleting any data. It has no side effects beyond data retrieval. The blast radius of misuse is minimal—an AI could only retrieve information the user already owns, not modify vault contents or trigger external operations. Classified as Read with low severity.
From the tool's definition Tool name is 'get_recent_periodic_notes' and description states 'Get most recent periodic notes for a specified period type.' The verb 'Get' and lack of any modification, deletion, or execution language indicates a read-only retrieval operation.
Attacks that exploit this kind of access
Get most recent periodic notes for a specified period type. It is categorised as a Read tool in the Obsidian Modified MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Modified MCP server in PolicyLayer and add a rule for get_recent_periodic_notes: 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 Modified. Nothing to install.
get_recent_periodic_notes 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_recent_periodic_notes 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_recent_periodic_notes. 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_recent_periodic_notes is provided by the Obsidian Modified MCP server (@marwansaab/obsidian-modified-mcp-server). 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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