place_limit_order

Place a resting limit order on the stablecoin DEX orderbook.

SERVERTempo SOURCEarome3/tempo-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/arome3-tempo-mcp/place-limit-order.md

WHAT IT DOES

What place_limit_order does on Tempo

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

RISK

Why place_limit_order is rated Critical

This tool places a financial order on a decentralized exchange orderbook, committing to a trade of stablecoin assets. It directly involves financial obligations and asset movements, making it Financial category. The blast radius is critical as an AI agent could place large or unintended orders on a DEX, resulting in significant financial loss or unwanted asset swaps.

From the tool's definition Place a resting limit order on the stablecoin DEX orderbook

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs place_limit_order safely

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

place_limit_order Approval-gated

Any call to place_limit_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_limit_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 Tempo, apply this rule, and every place_limit_order call is checked against it from then on.

FAQ

Questions about place_limit_order

What does the place_limit_order tool do? +

Place a resting limit order on the stablecoin DEX orderbook. It is categorised as a Financial tool in the Tempo MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_limit_order? +

Register the Tempo MCP server in PolicyLayer and add a rule for place_limit_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 Tempo. Nothing to install.

What risk level is place_limit_order? +

place_limit_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_limit_order? +

Yes. Add a rate_limit block to the place_limit_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_limit_order completely? +

Set action: deny in the PolicyLayer policy for place_limit_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_limit_order? +

place_limit_order is provided by the Tempo MCP server (arome3/tempo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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