check_plex

Check Plex Media Server reachability via GET /identity. Returns server version and machine identifier when healthy. Default port 32400.

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-plex.md

WHAT IT DOES

What check_plex does on Mcp Nettools

AI agents call check_plex 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_plex is rated Low

This tool queries the Plex Media Server's identity endpoint to retrieve read-only diagnostic information (version, machine identifier, health status). It is a passive health check that retrieves data with no side effects or ability to modify system state. The GET method and read-only nature of the returned information (version and identifier) clearly indicate a Read category classification.

From the tool's definition Tool performs a GET request to /identity endpoint to check reachability and retrieve server version and machine identifier. No parameters are mentioned that would allow modification, deletion, or command execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_plex 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_plex, this is the rule to start with:

check_plex Allowed

check_plex 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_plex": {}
  }
}

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_plex call is checked against it from then on.

FAQ

Questions about check_plex

What does the check_plex tool do? +

Check Plex Media Server reachability via GET /identity. Returns server version and machine identifier when healthy. Default port 32400. 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_plex? +

Register the Mcp Nettools MCP server in PolicyLayer and add a rule for check_plex: 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_plex? +

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

Can I rate-limit check_plex? +

Yes. Add a rate_limit block to the check_plex 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_plex completely? +

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

check_plex 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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