Refund tokens from a Ponzu presale. Available before launch only. 20% token penalty (stays in presale as pro-rata bonus for holders). 80% of proportional ETH returned.
Part of the Ponzu App server.
Free to start. No card required.
AI agents use ponzu_presale_refund to initiate financial transactions through Ponzu App. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
ponzu_presale_refund moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
{
"version": "1",
"default": "deny",
"tools": {
"ponzu_presale_refund": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full Ponzu App policy for all 16 tools.
These attack patterns abuse exactly the kind of access ponzu_presale_refund gives an agent. Each links to the full case and the policy that stops it:
Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Refund tokens from a Ponzu presale. Available before launch only. 20% token penalty (stays in presale as pro-rata bonus for holders). 80% of proportional ETH returned.. It is categorised as a Financial tool in the Ponzu App MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Ponzu App MCP server in PolicyLayer and add a rule for ponzu_presale_refund: 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 Ponzu App. Nothing to install.
ponzu_presale_refund 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 ponzu_presale_refund 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 ponzu_presale_refund. 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.
ponzu_presale_refund is provided by the Ponzu App MCP server (PonzuTech/ponzu_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 16 Ponzu App tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.