simple_ping

A simple tool that returns

SERVERMcp Test Servers SOURCEmsfeldstein/mcp-test-servers

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/mcp-test-servers/simple-ping.md

WHAT IT DOES

What simple_ping does on Mcp Test Servers

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

RISK

Why simple_ping is rated Low

Ping tools are typically read-only diagnostic utilities that check service availability or responsiveness. The incomplete description ('returns' without object) suggests a simple status check. This has minimal blast radius if misused by an AI agent, making it a Read category tool with low severity.

From the tool's definition Tool name 'simple_ping' and description 'A simple tool that returns' indicate a diagnostic utility that queries or tests connectivity/status without modifying data or executing commands with side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs simple_ping safely

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

simple_ping Allowed

simple_ping 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": {
    "simple_ping": {}
  }
}

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

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

FAQ

Questions about simple_ping

What does the simple_ping tool do? +

A simple tool that returns. It is categorised as a Read tool in the Mcp Test Servers MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on simple_ping? +

Register the Mcp Test Servers MCP server in PolicyLayer and add a rule for simple_ping: 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 Test Servers. Nothing to install.

What risk level is simple_ping? +

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

Can I rate-limit simple_ping? +

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

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

simple_ping is provided by the Mcp Test Servers MCP server (msfeldstein/mcp-test-servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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