cbs_search_datasets
AI agents call cbs_search_datasets to retrieve information from Nl Opendata without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Search operations retrieve or query data without side effects. The tool fits the Read category as it queries available datasets. Severity is low because searching public Dutch government open data has minimal blast radius—no data is modified, deleted, or at financial risk.
From the tool's definition Tool name 'cbs_search_datasets' indicates a search operation. The server description confirms it enables 'searching' datasets.
Attacks that exploit this kind of access
cbs_search_datasets. It is categorised as a Read tool in the Nl Opendata MCP Server, which means it retrieves data without modifying state.
Register the Nl Opendata MCP server in PolicyLayer and add a rule for cbs_search_datasets: 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 Nl Opendata. Nothing to install.
cbs_search_datasets 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 cbs_search_datasets 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 cbs_search_datasets. 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.
cbs_search_datasets is provided by the Nl Opendata MCP server (soulnai/nl-opendata-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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