This record as markdown: /tools/arome3-tempo-mcp/mint-tokens.md
What mint_tokens does on Tempo
AI agents use mint_tokens to commit financial operations through Tempo, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why mint_tokens is rated Critical
Minting tokens is a financial operation that creates new units of currency/stablecoin out of thin air and transfers them to a recipient. On a stablecoin payments platform, this has direct financial consequences — it increases token supply and can be used to fraudulently credit accounts. If misused by an AI agent, it could result in unbacked token issuance, financial fraud, or economic damage to the stablecoin system.
From the tool's definition 'Mint new TIP-20 tokens to a recipient address' — minting tokens creates new monetary supply and assigns financial value to a recipient, directly impacting the stablecoin economy on the Tempo blockchain.
Attacks that exploit this kind of access
The rule that runs mint_tokens 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 mint_tokens, this is the rule to start with:
Any call to mint_tokens is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Tempo, apply this rule, and every mint_tokens call is checked against it from then on.
Questions about mint_tokens
Mint new TIP-20 tokens to a recipient address. 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.
Register the Tempo MCP server in PolicyLayer and add a rule for mint_tokens: 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.
mint_tokens is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the mint_tokens 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.
Set action: deny in the PolicyLayer policy for mint_tokens. 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.
mint_tokens 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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