Retrieve attachment link mode types.
AI agents call item_attachment_link_modes to retrieve information from Mcp Zotero without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool simply queries and returns information about valid link mode types for attachments in Zotero—a reference lookup operation with no side effects. It is purely informational and falls squarely into the Read category. The severity is low because even if misused, an AI agent retrieving this metadata poses no risk to data integrity, privacy, or system state.
From the tool's definition Tool name and description indicate retrieval of metadata about attachment link mode types: 'Retrieve attachment link mode types.' No modification, execution, or destructive action is performed.
Attacks that exploit this kind of access
Retrieve attachment link mode types. It is categorised as a Read tool in the Mcp Zotero MCP Server, which means it retrieves data without modifying state.
Register the Mcp Zotero MCP server in PolicyLayer and add a rule for item_attachment_link_modes: 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 Zotero. Nothing to install.
item_attachment_link_modes 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 item_attachment_link_modes 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 item_attachment_link_modes. 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.
item_attachment_link_modes is provided by the Mcp Zotero MCP server (nealcaren/mcp-zotero). 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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