{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://noui.bot/specs/mcp-billing-v1/billing-envelope.schema.json",
  "title": "MCP Billing v1 Billing Response Envelope",
  "description": "Current successful Agent Bazaar proxy response shape.",
  "type": "object",
  "required": [
    "result",
    "meta"
  ],
  "properties": {
    "result": true,
    "meta": {
      "type": "object",
      "required": [
        "tool",
        "provider",
        "cost_cents",
        "cost",
        "latency_ms",
        "remaining_balance_cents"
      ],
      "properties": {
        "tool": {
          "type": "string",
          "minLength": 1
        },
        "provider": {
          "type": "string",
          "minLength": 1
        },
        "cost_cents": {
          "type": "integer",
          "minimum": 0
        },
        "cost": {
          "type": "string",
          "minLength": 1
        },
        "latency_ms": {
          "type": "integer",
          "minimum": 0
        },
        "remaining_balance_cents": {
          "type": "integer",
          "minimum": 0
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}