Delete a task from a note.
AI agents call obsidian_delete_task to permanently remove resources in Mcp Apple Obsidian — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool performs an irreversible deletion operation on task data within Obsidian notes. Deletion cannot be undone by the tool itself (though Obsidian may support undo). The blast radius includes loss of task information that may be important for productivity or project tracking.
From the tool's definition Tool name is 'obsidian_delete_task' and description states 'Delete a task from a note.' The verb 'delete' combined with task removal indicates irreversible deletion of data.
Attacks that exploit this kind of access
Delete a task from a note. It is categorised as a Destructive tool in the Mcp Apple Obsidian MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp Apple Obsidian MCP server in PolicyLayer and add a rule for obsidian_delete_task: 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 Mcp Apple Obsidian. Nothing to install.
obsidian_delete_task is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the obsidian_delete_task 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 obsidian_delete_task. 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.
obsidian_delete_task is provided by the Mcp Apple Obsidian MCP server (rex/mcp-apple-obsidian). 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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