place_market_order

Place a market order to buy or sell.

SERVERBinance MCP Server SOURCEmixuechu/binance-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/mixuechu-binance-mcp/place-market-order.md

WHAT IT DOES

What place_market_order does on Binance MCP Server

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

RISK

Why place_market_order is rated Critical

Placing a market order immediately executes a trade at the current market price, committing real financial resources. This is a direct financial transaction that cannot be easily reversed (only cancelled if unfilled, but market orders fill instantly), making it Financial category with critical severity due to potential for significant monetary loss if misused by an AI agent.

From the tool's definition 'Place a market order to buy or sell' — directly executes a financial trade on Binance exchange, committing real funds to purchase or sell cryptocurrency at current market prices.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs place_market_order safely

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

place_market_order Approval-gated

Any call to place_market_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_market_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 Binance MCP Server, apply this rule, and every place_market_order call is checked against it from then on.

FAQ

Questions about place_market_order

What does the place_market_order tool do? +

Place a market order to buy or sell. It is categorised as a Financial tool in the Binance MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_market_order? +

Register the Binance MCP Server MCP server in PolicyLayer and add a rule for place_market_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 Binance MCP Server. Nothing to install.

What risk level is place_market_order? +

place_market_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_market_order? +

Yes. Add a rate_limit block to the place_market_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_market_order completely? +

Set action: deny in the PolicyLayer policy for place_market_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_market_order? +

place_market_order is provided by the Binance MCP Server MCP server (mixuechu/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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

This server

All 8 Binance MCP Server tools → Critical-risk tools on this server →

Across the catalogue

place_market_order on Lighter MCP →place_order on MCP MetaTrader 4 Server →place_order on A2a Demos →place_order on Groww MCP Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

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