templates_get_variable

THE RISK

Low Risk

Why templates_get_variable needs a policy

The 'get' operation in the tool name indicates data retrieval with no side effects. While the description is empty (lowering confidence slightly), the naming pattern is consistent with read-only operations. There is no indication of modification, deletion, code execution, or financial impact. This appears to query or fetch template variable configuration from Piwik PRO Analytics.

From the tool's definition Tool name 'templates_get_variable' indicates a retrieval operation ('get'). The description is empty, but the naming convention and pattern among sibling tools (which include _list, _get, _create operations) suggests this retrieves template variable data…

Documented attack patterns abuse exactly the kind of access templates_get_variable gives an agent:

POLICY

How to control templates_get_variable

PolicyLayer is an MCP gateway — it sits between your AI agents and Piwik PRO MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for templates_get_variable:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "templates_get_variable": {}
  }
}

templates_get_variable is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Piwik PRO MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about templates_get_variable

What does the templates_get_variable tool do? +

templates_get_variable. It is categorised as a Read tool in the Piwik PRO MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on templates_get_variable? +

Register the Piwik PRO MCP Server MCP server in PolicyLayer and add a rule for templates_get_variable: 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 Piwik PRO MCP Server. Nothing to install.

What risk level is templates_get_variable? +

templates_get_variable is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit templates_get_variable? +

Yes. Add a rate_limit block to the templates_get_variable 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 templates_get_variable completely? +

Set action: deny in the PolicyLayer policy for templates_get_variable. 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 templates_get_variable? +

templates_get_variable is provided by the Piwik PRO MCP Server MCP server (piwikpro/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Piwik PRO MCP Server tool call.

Start from Piwik PRO MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →