Use when the user has a demographic or structural query about persons (artists, depicted figures, donors):
AI agents call search_persons to retrieve information from Rijksmuseum Mcp+ without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries data about people associated with artworks without creating, modifying, deleting, or executing external operations. It fits the 'Read' category as a search/query function that has no side effects on the collection or system state. Severity is low because unauthorized access to public museum metadata poses minimal risk.
From the tool's definition Tool name 'search_persons' and description indicate querying demographic/structural information about persons (artists, depicted figures, donors) in the museum collection—a retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access search_persons gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Rijksmuseum Mcp+, and nothing reaches the server without passing your rules. This is the rule we recommend for search_persons:
{
"version": "1",
"default": "deny",
"tools": {
"search_persons": {}
}
} search_persons is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Use when the user has a demographic or structural query about persons (artists, depicted figures, donors):. It is categorised as a Read tool in the Rijksmuseum Mcp+ MCP Server, which means it retrieves data without modifying state.
Register the Rijksmuseum Mcp+ MCP server in PolicyLayer and add a rule for search_persons: 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 Rijksmuseum Mcp+. Nothing to install.
search_persons 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_persons 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_persons. 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_persons is provided by the Rijksmuseum Mcp+ MCP server (kintopp/rijksmuseum-mcp-plus). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Rijksmuseum Mcp+, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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24 Rijksmuseum Mcp+ tools catalogued and risk-classified — across an index of 43,000+ MCP servers.