MCP MeasureMCP Measure

index observed

Free Small Biz Tools

Free quote and late-fee calculators, paid reminder emails and a $1 small-business tool stack report.

Should I use this

Quality & Safety

B
Description quality
89%
Schema completeness
74%
Naming quality
83%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (2)

  • LOWTool 'late_fee' description lacks action verbin late_fee
  • LOWTool 'quote_pack' description lacks action verbin quote_pack

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~1,528Tokens (tool definitions)
~1.5 KBTypical response size
Moderate attention impact (1.19% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

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

Remote endpoints

https://api.freesmallbiztools.com/mcpstreamable-http

What it can do

Tool inventory

Tools (7)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢quote_totals(items, tax_percent, discount_percent, deposit_percent, valid_days, ...)

Free. Totals for a quote or estimate: line amounts, subtotal, discount, tax, total, deposit and valid-until date.

Input Schema

{
  "type": "object",
  "properties": {
    "items": {
      "minItems": 1,
      "maxItems": 100,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "description": {
            "type": "string",
            "maxLength": 200
          },
          "quantity": {
            "type": "number",
            "minimum": 0,
            "maximum": 1000000
          },
          "unit_price": {
            "type": "number",
            "minimum": 0,
            "maximum": 100000000
          }
        },
        "required": [
          "unit_price"
        ]
      }
    },
    "tax_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 50
    },
    "discount_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 100
    },
    "deposit_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 100
    },
    "valid_days": {
      "type": "number",
      "minimum": 1,
      "maximum": 365
    },
    "currency": {
      "type": "string",
      "maxLength": 3
    }
  },
  "required": [
    "items"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢late_fee(amount, due_date, paid_date, rate, rate_type, ...)

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.

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"
}
🟢list_tools(category)

Free. freesmallbiztools.com listings (free/freemium small-business tools, vendor quote and check date), optionally for one category slug.

Input Schema

{
  "type": "object",
  "properties": {
    "category": {
      "type": "string",
      "maxLength": 60
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢pricing

Free. Prices of the paid tools and the receiving address.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢late_fee_notice(amount, due_date, paid_date, rate, rate_type, ...)

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.

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"
}
🟢quote_pack(items, tax_percent, discount_percent, deposit_percent, valid_days, ...)

Good / better / best quote pack from line items: three priced options, deposit, validity, standard terms and a cover note. Costs $0.05 USDC via x402; invalid input is not charged.

Input Schema

{
  "type": "object",
  "properties": {
    "items": {
      "minItems": 1,
      "maxItems": 100,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "description": {
            "type": "string",
            "maxLength": 200
          },
          "quantity": {
            "type": "number",
            "minimum": 0,
            "maximum": 1000000
          },
          "unit_price": {
            "type": "number",
            "minimum": 0,
            "maximum": 100000000
          }
        },
        "required": [
          "unit_price"
        ]
      }
    },
    "tax_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 50
    },
    "discount_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 100
    },
    "deposit_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 100
    },
    "valid_days": {
      "type": "number",
      "minimum": 1,
      "maximum": 365
    },
    "currency": {
      "type": "string",
      "maxLength": 3
    },
    "business_name": {
      "type": "string",
      "maxLength": 80
    },
    "better_markup_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 500
    },
    "best_markup_percent": {
      "type": "number",
      "minimum": 0,
      "maximum": 1000
    }
  },
  "required": [
    "items"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢small_business_stack_report(business_type, needs, team_size, free_only)

A free/freemium software stack for a small business, one pick per need with alternatives, from freesmallbiztools.com's checked listings (vendor quote and check date). Costs $1 USDC via x402; invalid input is not charged.

Input Schema

{
  "type": "object",
  "properties": {
    "business_type": {
      "type": "string",
      "enum": [
        "service",
        "trades",
        "retail",
        "online_store",
        "creator",
        "consultant",
        "agency",
        "nonprofit"
      ]
    },
    "needs": {
      "description": "Extra category slugs, comma separated",
      "type": "string",
      "maxLength": 400
    },
    "team_size": {
      "type": "number",
      "minimum": 1,
      "maximum": 10000
    },
    "free_only": {
      "type": "boolean"
    }
  },
  "required": [
    "business_type"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded7 tools