check_grocy

Check Grocy grocery and household management server via GET /api/system/info. Returns version and PHP info.

SERVERMcp Nettools SOURCEaaronckj/mcp-nettools

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aaronckj-mcp-nettools/check-grocy.md

WHAT IT DOES

What check_grocy does on Mcp Nettools

AI agents call check_grocy to retrieve information from Mcp Nettools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why check_grocy is rated Low

This tool retrieves system information from a Grocy server using a GET request, which is a read operation. It does not modify data, execute commands, delete information, or move money. The information returned (version and PHP info) is diagnostic in nature and poses minimal security risk if accessed by an AI agent, as it only exposes version metadata rather than sensitive credentials or data.

From the tool's definition Tool description states it performs a GET request to /api/system/info and returns version and PHP info. GET requests are read-only operations with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_grocy safely

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

check_grocy Allowed

check_grocy 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": {
    "check_grocy": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Nettools, apply this rule, and every check_grocy call is checked against it from then on.

FAQ

Questions about check_grocy

What does the check_grocy tool do? +

Check Grocy grocery and household management server via GET /api/system/info. Returns version and PHP info. It is categorised as a Read tool in the Mcp Nettools MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on check_grocy? +

Register the Mcp Nettools MCP server in PolicyLayer and add a rule for check_grocy: 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 Mcp Nettools. Nothing to install.

What risk level is check_grocy? +

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

Can I rate-limit check_grocy? +

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

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

check_grocy is provided by the Mcp Nettools MCP server (aaronckj/mcp-nettools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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