na_web_search
AI agents call na_web_search 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.
Web search tools retrieve information without modifying data. The empty description reduces confidence slightly, but the name pattern and context of archival access strongly suggest this is a read-only search operation. No evidence suggests data modification, execution, deletion, or financial operations.
From the tool's definition Tool name 'na_web_search' suggests a search operation. The server description indicates it provides searching and querying capabilities. Sibling tools include 'na_search_archives' and 'na_search_inventories', consistent with a Read function.
Attacks that exploit this kind of access
na_web_search. 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_web_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 Nationaal Archief MCP Server. Nothing to install.
na_web_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 na_web_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 na_web_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.
na_web_search 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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