send_concurrent_payments

Send multiple TIP-20 payments in parallel using different nonce keys.

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/send-concurrent-payments.md

WHAT IT DOES

What send_concurrent_payments does on Tempo

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

RISK

Why send_concurrent_payments is rated Critical

This tool explicitly sends multiple blockchain payments in parallel. It moves real funds (TIP-20 stablecoin tokens) on the Tempo blockchain. The server description confirms this enables 'autonomously execute real-world payments.' Misuse could result in mass unauthorized financial transfers simultaneously, making this critical severity Financial category.

From the tool's definition Send multiple TIP-20 payments in parallel using different nonce keys

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs send_concurrent_payments 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 send_concurrent_payments, this is the rule to start with:

send_concurrent_payments Approval-gated

Any call to send_concurrent_payments 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": {
    "send_concurrent_payments": {
      "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 send_concurrent_payments call is checked against it from then on.

FAQ

Questions about send_concurrent_payments

What does the send_concurrent_payments tool do? +

Send multiple TIP-20 payments in parallel using different nonce keys. 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 send_concurrent_payments? +

Register the Tempo MCP server in PolicyLayer and add a rule for send_concurrent_payments: 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 send_concurrent_payments? +

send_concurrent_payments 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 send_concurrent_payments? +

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

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

send_concurrent_payments 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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