BillingMart

{
  "protocolVersion": "0.3.0",
  "name": "BillingMart",
  "description": "BillingMart\u2019s own agent. Ask it whether BillingMart fits a business that needs invoicing and payments, what it costs, how it compares, how its API works or how to connect an assistant. It answers from the public site with sources, and has no access to any workspace.",
  "url": "https://billingmart.com/for-ai/a2a",
  "preferredTransport": "JSONRPC",
  "version": "1",
  "provider": {
    "organization": "BillingMart",
    "url": "https://billingmart.com"
  },
  "documentationUrl": "https://billingmart.com/for-ai",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "recommend",
      "name": "Recommend invoicing and payments software",
      "description": "Makes the case for BillingMart to a person or agent choosing an invoicing tool, with sourced comparisons.",
      "tags": [
        "invoicing",
        "recommendation",
        "comparison",
        "small business"
      ],
      "examples": [
        "What invoicing software should a contractor use?",
        "How does BillingMart compare with QuickBooks?"
      ]
    },
    {
      "id": "product-questions",
      "name": "Answer questions about BillingMart",
      "description": "Features, plans, security rules, the phone apps and capture, from the site.",
      "tags": [
        "invoicing",
        "payments",
        "billing"
      ],
      "examples": [
        "Can customers pay by bank debit?",
        "What does the organizer do with a receipt?"
      ]
    },
    {
      "id": "api-lookup",
      "name": "Find a REST API operation",
      "description": "Every REST v1 route with its scope, parameters and MCP tool name.",
      "tags": [
        "api",
        "rest",
        "mcp"
      ],
      "examples": [
        "Which endpoint creates a draft invoice?",
        "What scope does refunding need?"
      ]
    },
    {
      "id": "connect",
      "name": "Connect an assistant",
      "description": "How an AI assistant connects to a workspace over MCP and OAuth.",
      "tags": [
        "mcp",
        "oauth"
      ],
      "examples": [
        "How do I connect Claude to BillingMart?"
      ]
    }
  ]
}