renew_premium_mailbox

Renew a premium mailbox subscription

SERVER20i MCP Server SOURCEcbrown35/20i-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cbrown35-20i-mcp/renew-premium-mailbox.md

WHAT IT DOES

What renew_premium_mailbox does on 20i MCP Server

AI agents use renew_premium_mailbox to commit financial operations through 20i MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why renew_premium_mailbox is rated Critical

Renewing a subscription involves committing to a financial obligation — it triggers a billing event for the premium mailbox service. This falls squarely in the Financial category, which takes precedence over all others. Misuse could result in unauthorized charges to the account.

From the tool's definition Renew a premium mailbox subscription

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs renew_premium_mailbox safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For renew_premium_mailbox, this is the rule to start with:

renew_premium_mailbox Approval-gated

Any call to renew_premium_mailbox is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "renew_premium_mailbox": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every renew_premium_mailbox call is checked against it from then on.

FAQ

Questions about renew_premium_mailbox

What does the renew_premium_mailbox tool do? +

Renew a premium mailbox subscription. It is categorised as a Financial tool in the 20i MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on renew_premium_mailbox? +

Register the 20i MCP Server MCP server in PolicyLayer and add a rule for renew_premium_mailbox: 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 20i MCP Server. Nothing to install.

What risk level is renew_premium_mailbox? +

renew_premium_mailbox is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit renew_premium_mailbox? +

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

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

renew_premium_mailbox is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on 20i MCP Server, and thousands of servers like it.

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Guides

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