Read today
AI agents call daily_read to retrieve information from Obsidian Local without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves content from a daily note without altering it. It has no side effects and cannot modify or delete data. Reading note content is a safe, query-like operation with minimal risk of misuse by an AI agent.
From the tool's definition Tool name 'daily_read' and description 'Read today' indicate retrieval of daily note content without modification. The verb 'read' and action of fetching today's data are characteristic of Read operations.
Attacks that exploit this kind of access
Read today. It is categorised as a Read tool in the Obsidian Local MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Local MCP server in PolicyLayer and add a rule for daily_read: 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 Local. Nothing to install.
daily_read 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 daily_read 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 daily_read. 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.
daily_read is provided by the Obsidian Local MCP server (matthewsuazo/obsidian-local-mcp). 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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