Free Small Biz Tools

{
  "mcpServers": {
    "com.freesmallbiztools.api/tools": {
      "url": "https://api.freesmallbiztools.com/mcp"
    }
  }
}

Indexed tools

Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.

7 shown · authentication unknown

• late_fee

  Free. Late fee on an overdue invoice (simple interest by day: monthly, annual or daily percent, or a flat fee), with days late, total due and a state-cap caution.

  Schema valid · SHA-256 43c227f5e08b…

  View input schema

  {
    "type": "object",
    "properties": {
      "amount": {
        "type": "number",
        "minimum": 0.01,
        "maximum": 100000000
      },
      "due_date": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
        "description": "YYYY-MM-DD"
      },
      "paid_date": {
        "description": "YYYY-MM-DD, default today",
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
      },
      "rate": {
        "description": "default 1.5",
        "type": "number",
        "minimum": 0,
        "maximum": 1000000
      },
      "rate_type": {
        "type": "string",
        "enum": [
          "monthly_percent",
          "annual_percent",
          "daily_percent",
          "flat"
        ]
      },
      "grace_days": {
        "type": "number",
        "minimum": 0,
        "maximum": 365
      }
    },
    "required": [
      "amount",
      "due_date"
    ],
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }

• late_fee_notice

  Late fee plus a ready-to-send reminder email (subject and body) for an overdue invoice, in a polite, firm or final tone. Costs $0.01 USDC via x402; invalid input is not charged.

  Schema valid · SHA-256 74906e5928d5…

  View input schema

  {
    "type": "object",
    "properties": {
      "amount": {
        "type": "number",
        "minimum": 0.01,
        "maximum": 100000000
      },
      "due_date": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
        "description": "YYYY-MM-DD"
      },
      "paid_date": {
        "description": "YYYY-MM-DD, default today",
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
      },
      "rate": {
        "description": "default 1.5",
        "type": "number",
        "minimum": 0,
        "maximum": 1000000
      },
      "rate_type": {
        "type": "string",
        "enum": [
          "monthly_percent",
          "annual_percent",
          "daily_percent",
          "flat"
        ]
      },
      "grace_days": {
        "type": "number",
        "minimum": 0,
        "maximum": 365
      },
      "tone": {
        "type": "string",
        "enum": [
          "polite",
          "firm",
          "final"
        ]
      },
      "client_name": {
        "type": "string",
        "maxLength": 80
      },
      "business_name": {
        "type": "string",
        "maxLength": 80
      },
      "invoice_number": {
        "type": "string",
        "maxLength": 40
      }
    },
    "required": [
      "amount",
      "due_date"
    ],
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }