Perform an advanced search with multiple criteria.
AI agents call zotero_advanced_search to retrieve information from Zotero MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches/queries a Zotero reference library with multiple filter criteria. It retrieves information without modifying, deleting, or executing external operations. Even if an AI agent performs overly broad searches, the blast radius is limited to information disclosure, not data loss or side effects. Classified as Read with low severity and high confidence.
From the tool's definition Tool name 'zotero_advanced_search' and description 'Perform an advanced search with multiple criteria' indicate a query/retrieval operation.
Attacks that exploit this kind of access
Perform an advanced search with multiple criteria. It is categorised as a Read tool in the Zotero MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Zotero MCP Server MCP server in PolicyLayer and add a rule for zotero_advanced_search: 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 Zotero MCP Server. Nothing to install.
zotero_advanced_search 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 zotero_advanced_search 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 zotero_advanced_search. 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.
zotero_advanced_search is provided by the Zotero MCP Server MCP server (tspspi/zotero-mcp-postgres-ollama-fulltext). 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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