instant-echo

Synchronous-only tool (default forbidden taskSupport).

SERVERFrontmcp SOURCEagentfront/frontmcp

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/frontmcp/instant-echo.md

WHAT IT DOES

What instant-echo does on Frontmcp

AI agents call instant-echo as a supporting operation in Frontmcp workflows.

RISK

Why instant-echo is rated Low

The description only indicates this is a synchronous-only tool with task support forbidden. There is no indication it reads, writes, executes, destroys, or moves money. It appears to be a demonstration/echo tool based on the name, but the description is uninformative about actual behavior. Classifying as Other with low confidence due to insufficient detail.

From the tool's definition Synchronous-only tool (default forbidden taskSupport)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs instant-echo safely

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

instant-echo Rate-limited

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

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "instant-echo": {
      "limits": [
        {
          "counter": "instant-echo_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Frontmcp, apply this rule, and every instant-echo call is checked against it from then on.

FAQ

Questions about instant-echo

What does the instant-echo tool do? +

Synchronous-only tool (default forbidden taskSupport). It is categorised as a Other tool in the Frontmcp MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on instant-echo? +

Register the Front MCP server in PolicyLayer and add a rule for instant-echo: 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 Frontmcp. Nothing to install.

What risk level is instant-echo? +

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

Can I rate-limit instant-echo? +

Yes. Add a rate_limit block to the instant-echo 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 instant-echo completely? +

Set action: deny in the PolicyLayer policy for instant-echo. 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 instant-echo? +

instant-echo is provided by the Front MCP server (agentfront/frontmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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