place_order

Place an order for a product. Requires a valid badge.

SERVERA2a Demos SOURCEcapiscio/a2a-demos

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/a2a-demos/place-order.md

WHAT IT DOES

What place_order does on A2a Demos

AI agents use place_order to commit financial operations through A2a Demos, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why place_order is rated Critical

Placing an order is a financial commitment that can result in charges, purchases, or binding contracts. Misuse by an AI agent could result in unauthorized purchases. The 'requires a valid badge' note indicates the server itself recognizes this as a sensitive, authorization-gated action. This falls clearly under Financial as it commits financial obligations.

From the tool's definition 'Place an order for a product' — placing an order commits a financial obligation to purchase goods/services.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs place_order safely

PolicyLayer is an MCP gateway: it sits between your AI agents and A2a Demos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For place_order, this is the rule to start with:

place_order Approval-gated

Any call to place_order 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": {
    "place_order": {
      "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 A2a Demos, apply this rule, and every place_order call is checked against it from then on.

FAQ

Questions about place_order

What does the place_order tool do? +

Place an order for a product. Requires a valid badge. It is categorised as a Financial tool in the A2a Demos MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_order? +

Register the A2a Demos MCP server in PolicyLayer and add a rule for place_order: 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 A2a Demos. Nothing to install.

What risk level is place_order? +

place_order 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 place_order? +

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

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

place_order is provided by the A2a Demos MCP server (capiscio/a2a-demos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on A2a Demos, and thousands of servers like it.

This server

All 3 A2a Demos tools → Critical-risk tools on this server →

Across the catalogue

place_limit_order on Lighter MCP →place_order on MCP MetaTrader 4 Server →place_order on Groww MCP Server →place_order_tool on Upstox MCP Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →