Free Small Biz Tools
Free quote and late-fee calculators, paid reminder emails and a $1 small-business tool stack report.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.freesmallbiztools.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.freesmallbiztools.com/mcp{
"mcpServers": {
"tools": {
"url": "https://api.freesmallbiztools.com/mcp"
}
}
}claude mcp add --transport http tools https://api.freesmallbiztools.com/mcp{
"servers": {
"tools": {
"type": "http",
"url": "https://api.freesmallbiztools.com/mcp"
}
}
}7 tools, verified live
quote_totalsread-onlyFree. Totals for a quote or estimate: line amounts, subtotal, discount, tax, total, deposit and valid-until date.
late_feeread-onlyFree. 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.
list_toolsread-onlyFree. freesmallbiztools.com listings (free/freemium small-business tools, vendor quote and check date), optionally for one category slug.
pricingread-onlyFree. Prices of the paid tools and the receiving address.
late_fee_noticeread-onlyLate 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.
quote_packread-onlyGood / 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.
small_business_stack_reportread-onlyA 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.
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