zk_find_orphaned_notes
AI agents call zk_find_orphaned_notes to retrieve information from Zettelkasten without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches for or lists orphaned notes (notes not linked to others), which is a read-only operation that retrieves information about note relationships without creating, modifying, or deleting data. Low severity due to no blast radius from misuse—it only exposes existing metadata about note connectivity.
From the tool's definition Tool name 'zk_find_orphaned_notes' indicates a query/search operation to discover notes without links. The verb 'find' is a read operation.
Attacks that exploit this kind of access
zk_find_orphaned_notes. It is categorised as a Read tool in the Zettelkasten MCP Server, which means it retrieves data without modifying state.
Register the Zettelkasten MCP server in PolicyLayer and add a rule for zk_find_orphaned_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 Zettelkasten. Nothing to install.
zk_find_orphaned_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 zk_find_orphaned_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 zk_find_orphaned_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.
zk_find_orphaned_notes is provided by the Zettelkasten MCP server (entanglr/zettelkasten-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.
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