Free Small Biz Tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

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

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Free Small Biz Tools": {
      "url": "https://api.freesmallbiztools.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• quote_totals read-only

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

  Parameters:

  • items (required) — array
  • currency — string
  • valid_days — number
  • tax_percent — number
  • deposit_percent — number
  • discount_percent — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• late_fee read-only

  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.

  Parameters:

  • amount (required) — number
  • due_date (required) — string — YYYY-MM-DD
  • rate — number — default 1.5
  • paid_date — string — YYYY-MM-DD, default today
  • rate_type — string
  • grace_days — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_tools read-only

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

  Parameters:

  • category — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• pricing read-only

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

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• late_fee_notice read-only

  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.

  Parameters:

  • amount (required) — number
  • due_date (required) — string — YYYY-MM-DD
  • rate — number — default 1.5
  • tone — string
  • paid_date — string — YYYY-MM-DD, default today
  • rate_type — string
  • grace_days — number
  • client_name — string
  • business_name — string
  • invoice_number — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• quote_pack read-only

  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.

  Parameters:

  • items (required) — array
  • currency — string
  • valid_days — number
  • tax_percent — number
  • business_name — string
  • deposit_percent — number
  • discount_percent — number
  • best_markup_percent — number
  • better_markup_percent — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• small_business_stack_report read-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.

  Parameters:

  • business_type (required) — string
  • needs — string — Extra category slugs, comma separated
  • free_only — boolean
  • team_size — number

  Hints: read-only yes · destructive no · idempotent yes · open-world no

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Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.