Search items in catalog
AI agents call search-books to retrieve information from NeoDB MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Searching a catalog is a read-only operation that retrieves data without creating, modifying, or deleting anything. The tool has minimal security risk as it only returns information about books already in the NeoDB system. No credentials, financial data, or destructive actions are involved.
From the tool's definition Tool name is 'search-books' and description states 'Search items in catalog'. This performs a query operation on book catalog data with no modification, deletion, or side effects.
Attacks that exploit this kind of access
Search items in catalog. It is categorised as a Read tool in the NeoDB MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NeoDB MCP Server MCP server in PolicyLayer and add a rule for search-books: 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 NeoDB MCP Server. Nothing to install.
search-books 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 search-books 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 search-books. 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.
search-books is provided by the NeoDB MCP Server MCP server (xytangme/neodb-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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