Get details of a specific resource
AI agents call ckan_resource_show to retrieve information from Ckan without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about a resource in a CKAN data portal. It is a read-only query operation that returns information without side effects, aligning with the 'Read' category. The low severity reflects minimal risk if invoked by an AI agent, as it only exposes existing data about a resource.
From the tool's definition Tool name contains 'show' and description states 'Get details of a specific resource' — both indicate data retrieval with no modification or deletion.
Documented attack patterns abuse exactly the kind of access ckan_resource_show gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ckan, and nothing reaches the server without passing your rules. This is the rule we recommend for ckan_resource_show:
{
"version": "1",
"default": "deny",
"tools": {
"ckan_resource_show": {}
}
}ckan_resource_show is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get details of a specific resource. It is categorised as a Read tool in the Ckan MCP Server, which means it retrieves data without modifying state.
Register the Ckan MCP server in PolicyLayer and add a rule for ckan_resource_show: 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 Ckan. Nothing to install.
ckan_resource_show 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 ckan_resource_show 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 ckan_resource_show. 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.
ckan_resource_show is provided by the Ckan MCP server (ondics/ckan-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Ckan, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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11 Ckan tools catalogued and risk-classified — across an index of 43,000+ MCP servers.