list_emner
List the StatFin subject areas (~140 databases, e.g.
This record as markdown: /tools/3121n-nor-data-statfin-mcp/list-emner.md
What list_emner does on Statfin
AI agents call list_emner to retrieve information from Statfin without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_emner is rated Low
This tool retrieves and queries public statistical metadata from Statistics Finland's database catalogue. It is a read-only enumeration operation with no side effects, no ability to modify or delete data, and no execution of arbitrary code. The blast radius of misuse is minimal—an agent could only enumerate available subject areas, which is already public information.
From the tool's definition Tool name 'list_emner' (list subjects) and description indicating it lists subject areas from ~140 databases in StatFin. No modification, deletion, or execution of code is mentioned.
Attacks that exploit this kind of access
The rule that runs list_emner safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Statfin, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_emner, this is the rule to start with:
list_emner is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Statfin, apply this rule, and every list_emner call is checked against it from then on.
Questions about list_emner
List the StatFin subject areas (~140 databases, e.g. It is categorised as a Read tool in the Statfin MCP Server, which means it retrieves data without modifying state.
Register the Statfin MCP server in PolicyLayer and add a rule for list_emner: 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 Statfin. Nothing to install.
list_emner 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 list_emner 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 list_emner. 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.
list_emner is provided by the Statfin MCP server (3121n/nor-data-statfin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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