opt_out_rewards

Opt out of rewards for a TIP-20 token. By default, any pending rewards will be

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/opt-out-rewards.md

WHAT IT DOES

What opt_out_rewards does on Tempo

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

RISK

Why opt_out_rewards is rated Critical

Opting out of rewards on a financial blockchain protocol constitutes a financial action that forfeits or waives pending monetary rewards. On a stablecoin/payment blockchain (Tempo), rewards represent real financial value. Misuse could cause an AI agent to irreversibly forfeit accumulated rewards on behalf of a user.

From the tool's definition 'Opt out of rewards for a TIP-20 token' and 'any pending rewards will be' (description appears truncated) — this action affects financial reward claims on a stablecoin payments blockchain

Attacks that exploit this kind of access

RECOMMENDED RULE

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

opt_out_rewards Approval-gated

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

FAQ

Questions about opt_out_rewards

What does the opt_out_rewards tool do? +

Opt out of rewards for a TIP-20 token. By default, any pending rewards will be. 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 opt_out_rewards? +

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

opt_out_rewards 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 opt_out_rewards? +

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

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

opt_out_rewards 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.

KEEP EXPLORING

More on Tempo, and thousands of servers like it.

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Guides

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