Navigate the Eurostat theme tree. Without theme_code returns the 11 top-level theme folders (Economy, Population, Transport, etc.) — the practical starting points. With a theme_code returns its immediate children: subtheme folders and datasets in that branch. Use this for structured discovery whe...
Part of the Eurostat Mcp Server server.
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AI agents call eurostat_browse_themes to retrieve information from Eurostat Mcp Server without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though eurostat_browse_themes only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"eurostat_browse_themes": {}
}
}See the full Eurostat Mcp Server policy for all 5 tools.
These attack patterns abuse exactly the kind of access eurostat_browse_themes gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Navigate the Eurostat theme tree. Without theme_code returns the 11 top-level theme folders (Economy, Population, Transport, etc.) — the practical starting points. With a theme_code returns its immediate children: subtheme folders and datasets in that branch. Use this for structured discovery when you know the domain but not the dataset code, or to drill down from a broad topic to a specific dataset. Pair with eurostat_search_datasets for keyword-based discovery.. It is categorised as a Read tool in the Eurostat Mcp Server MCP Server, which means it retrieves data without modifying state.
Register the Eurostat Mcp Server MCP server in PolicyLayer and add a rule for eurostat_browse_themes: 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 Eurostat Mcp Server. Nothing to install.
eurostat_browse_themes 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 eurostat_browse_themes 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 eurostat_browse_themes. 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.
eurostat_browse_themes is provided by the Eurostat Mcp Server MCP server (@cyanheads/eurostat-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Eurostat Mcp Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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