Gibt einen Überblick über den gesamten Open-Data-Katalog der Stadt Zürich.
AI agents call zurich_catalog_stats to retrieve information from Zurich Open Data MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns catalog information without modifying, executing external operations, or affecting data. It is a read-only informational lookup operation with minimal security risk. The low severity reflects that catalog metadata is typically public information and exposure causes no operational harm.
From the tool's definition Tool name 'zurich_catalog_stats' and description 'Gives an overview of the entire Open Data catalog of the City of Zurich' indicate a retrieval/query operation that returns metadata or statistics about available datasets.
Documented attack patterns abuse exactly the kind of access zurich_catalog_stats gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Zurich Open Data MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for zurich_catalog_stats:
{
"version": "1",
"default": "deny",
"tools": {
"zurich_catalog_stats": {}
}
}zurich_catalog_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Gibt einen Überblick über den gesamten Open-Data-Katalog der Stadt Zürich. It is categorised as a Read tool in the Zurich Open Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Zurich Open Data MCP Server MCP server in PolicyLayer and add a rule for zurich_catalog_stats: 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 Zurich Open Data MCP Server. Nothing to install.
zurich_catalog_stats 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 zurich_catalog_stats 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 zurich_catalog_stats. 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.
zurich_catalog_stats is provided by the Zurich Open Data MCP Server MCP server (pypi:zurich-opendata-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Zurich Open Data MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
24 Zurich Open Data MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.