Search the Nationaal Archief collections for archival materials.
AI agents call na_search_archives to retrieve information from Nationaal Archief MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search operation against archival records. It retrieves or queries data from the Netherlands National Archive collections with no side effects, modifications, or destructive capabilities. The action is information retrieval only, consistent with the 'Read' category for search, list, and fetch operations.
From the tool's definition Tool name 'na_search_archives' and description 'Search the Nationaal Archief collections for archival materials' indicates a search/query operation that retrieves information without modifying data.
Attacks that exploit this kind of access
Search the Nationaal Archief collections for archival materials. It is categorised as a Read tool in the Nationaal Archief MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Nationaal Archief MCP Server MCP server in PolicyLayer and add a rule for na_search_archives: 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 Nationaal Archief MCP Server. Nothing to install.
na_search_archives 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 na_search_archives 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 na_search_archives. 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.
na_search_archives is provided by the Nationaal Archief MCP Server MCP server (w36zl/na_mcp_server). 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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