approve_and_send

Human-approved: mark a drafted customer notification as sent. Call this only after a person clicks Approve.

SERVERNitrostack SOURCEnitrocloudofficial/nitrostack

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nitrostack/approve-and-send.md

WHAT IT DOES

What approve_and_send does on Nitrostack

AI agents use approve_and_send to create or update resources in Nitrostack, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Nitrostack environment.

RISK

Why approve_and_send is rated Medium

Modifies notification state and triggers delivery; reversible but impacts customers. Requires human approval safeguard.

From the tool's definition mark a drafted customer notification as sent

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs approve_and_send safely

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

approve_and_send Rate-limited

approve_and_send stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "approve_and_send": {
      "limits": [
        {
          "counter": "approve_and_send_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about approve_and_send

What does the approve_and_send tool do? +

Human-approved: mark a drafted customer notification as sent. Call this only after a person clicks Approve. It is categorised as a Write tool in the Nitrostack MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on approve_and_send? +

Register the Nitrostack MCP server in PolicyLayer and add a rule for approve_and_send: 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 Nitrostack. Nothing to install.

What risk level is approve_and_send? +

approve_and_send is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit approve_and_send? +

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

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

approve_and_send is provided by the Nitrostack MCP server (nitrocloudofficial/nitrostack). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Nitrostack, and thousands of servers like it.

This server

All 697 Nitrostack tools →

Across the catalogue

generate_and_fetch_code on Stitch MCP Server →sms_send on Twilio SMS MCP Server →send-draft on Meme MCP Server → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →