data-europa.reference.catalogue_list

SERVERApibase SOURCEapibase-mcp-client

Low RISK CLASS

Category Read

Parameters 20 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-whiteknightonhorse-apibase/data-europa.reference.catalogue-list.md

WHAT IT DOES

What data-europa.reference.catalogue_list does on Apibase

AI agents call data-europa.reference.catalogue_list to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`limit`	integer	—	Max catalogues to return (1-211, default 50)
`query`	string	—	Substring filter on catalogue id (e.g. "geo" matches "geocat-li", "gdi-de")

Parameters from the server's own tool schema.

RISK

Why data-europa.reference.catalogue_list is rated Low

Retrieves publicly available catalogue metadata from EU Open Data Portal without side effects.

From the tool's definition List the ~211 national, regional, and EU-institution data catalogues, no auth required.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs data-europa.reference.catalogue_list safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For data-europa.reference.catalogue_list, this is the rule to start with:

data-europa.reference.catalogue_list Allowed

data-europa.reference.catalogue_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "data-europa.reference.catalogue_list": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every data-europa.reference.catalogue_list call is checked against it from then on.

FAQ

Questions about data-europa.reference.catalogue_list

What does the data-europa.reference.catalogue_list tool do? +

List the ~211 national, regional, and EU-institution data catalogues (portal source ids, e.g. "gdi-de", "govdata", "geocat-li") that feed the EU Open Data Portal, optionally filtered by an id substring. Data: data.europa.eu Hub-Search API, no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.

What parameters does data-europa.reference.catalogue_list accept? +

data-europa.reference.catalogue_list accepts 2 parameters: limit, query. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on data-europa.reference.catalogue_list? +

Register the Apibase MCP server in PolicyLayer and add a rule for data-europa.reference.catalogue_list: 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 Apibase. Nothing to install.

What risk level is data-europa.reference.catalogue_list? +

data-europa.reference.catalogue_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit data-europa.reference.catalogue_list? +

Yes. Add a rate_limit block to the data-europa.reference.catalogue_list 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.

How do I block data-europa.reference.catalogue_list completely? +

Set action: deny in the PolicyLayer policy for data-europa.reference.catalogue_list. 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.

What MCP server provides data-europa.reference.catalogue_list? +

data-europa.reference.catalogue_list is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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