billing_subscribe

A financial tool on the Postking MCP server.

SERVERPostking Mcp SOURCEpostking-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/io-github-bitsandtea-postking-mcp/billing-subscribe.md

WHAT IT DOES

What billing_subscribe does on Postking Mcp

AI agents use billing_subscribe to commit financial operations through Postking Mcp, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why billing_subscribe is rated Critical

The name 'billing_subscribe' in the context of a billing suite suggests this tool signs up for or activates a subscription plan, which constitutes a financial commitment. Despite the empty description, the naming convention alongside sibling tools like billing_topup and billing_wallet makes Financial the most appropriate category. Confidence is reduced due to the empty description.

From the tool's definition Tool name 'billing_subscribe' on a server with billing-related sibling tools (billing_topup, billing_wallet, billing_list_tiers, billing_list_packs) strongly implies committing to a financial subscription obligation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs billing_subscribe safely

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

billing_subscribe Approval-gated

Any call to billing_subscribe 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": {
    "billing_subscribe": {
      "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 Postking Mcp, apply this rule, and every billing_subscribe call is checked against it from then on.

FAQ

Questions about billing_subscribe

What does the billing_subscribe tool do? +

billing_subscribe is a financial tool on the Postking MCP server. It is categorised as a Financial tool in the Postking Mcp MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on billing_subscribe? +

Register the Postking MCP server in PolicyLayer and add a rule for billing_subscribe: 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 Postking Mcp. Nothing to install.

What risk level is billing_subscribe? +

billing_subscribe 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 billing_subscribe? +

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

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

billing_subscribe is provided by the Postking MCP server (postking-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

What billing_subscribe does on Postking Mcp

Why billing_subscribe is rated Critical

The rule that runs billing_subscribe safely

Questions about billing_subscribe

More on Postking, and thousands of servers like it.