Agent Budget Guard

Try before payment

Inspect a representative partial result, exact price and copy-ready upgrade instructions. No wallet, signature or payment required.

Copy-ready MCP call

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "agent_budget_guard",
    "arguments": {"request":{"cost_atomic":"1000"},"usage":{"task_atomic":"2000","session_atomic":"3000","period_atomic":"4000"},"policy":{"max_per_call_atomic":"2000","max_per_task_atomic":"5000","max_per_session_atomic":"10000","max_per_period_atomic":"20000"}}
  }
}

What the agent receives

Allow or deny with projected usage, exceeded scope, limitations and signed receipt.

No API key or subscription. The first paid request returns HTTP 402 payment requirements; an x402 client signs and retries automatically.