multi-greet

THE RISK

Low Risk

Why multi-greet needs a policy

This tool sends greetings (text messages) with delays between them. It has no read, write, execute, destructive, or financial implications — it is purely a benign communication/demo tool. Severity is low as misuse has negligible blast radius.

From the tool's definition A tool that sends different greetings with delays between them

Documented attack patterns abuse exactly the kind of access multi-greet gives an agent:

POLICY

How to control multi-greet

PolicyLayer is an MCP gateway — it sits between your AI agents and Codemesh, and nothing reaches the server without passing your rules. This is the rule we recommend for multi-greet:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "multi-greet": {
      "limits": [
        {
          "counter": "multi-greet_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

multi-greet gets a rate cap, and everything else on the server is denied unless you say otherwise.

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

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about multi-greet

What does the multi-greet tool do? +

A tool that sends different greetings with delays between them. It is categorised as a Other tool in the Codemesh MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on multi-greet? +

Register the Codemesh MCP server in PolicyLayer and add a rule for multi-greet: 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 Codemesh. Nothing to install.

What risk level is multi-greet? +

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

Can I rate-limit multi-greet? +

Yes. Add a rate_limit block to the multi-greet 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 multi-greet completely? +

Set action: deny in the PolicyLayer policy for multi-greet. 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 multi-greet? +

multi-greet is provided by the Codemesh MCP server (kiliman/codemesh). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Codemesh tool call.

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

CHECK YOUR STACK →