MCP server

Free Small Biz Tools Official

com.freesmallbiztools.api/tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: freesmallbiztools.comAbout 1,456 tokens per request once connected7 tools

https://api.freesmallbiztools.com/mcp

At a glance

Type: MCP server
Publisher: freesmallbiztools.com (verified by the MCP Registry)
Status: Working at last check
Tools: 7
Token cost: About 1,456 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http tools https://api.freesmallbiztools.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.tools]
url = "https://api.freesmallbiztools.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"tools":{"type":"http","url":"https://api.freesmallbiztools.com/mcp"}}}

Antigravity

agy mcp add tools https://api.freesmallbiztools.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"tools","server_url":"https://api.freesmallbiztools.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"tools","server_url":"https://api.freesmallbiztools.com/mcp"}

late_fee ~238 tokens
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.
late_fee_notice ~303 tokens
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.
list_tools ~93 tokens
Free. freesmallbiztools.com listings (free/freemium small-business tools, vendor quote and check date), optionally for one category slug.
pricing ~57 tokens
Free. Prices of the paid tools and the receiving address.
quote_pack ~314 tokens
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.
quote_totals ~244 tokens
Free. Totals for a quote or estimate: line amounts, subtotal, discount, tax, total, deposit and valid-until date.
small_business_stack_report ~207 tokens
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.

PaidPilot Invoice Tools
Invoice tools: reminders, late fees, terms, timesheets and a receivables health report (x402).
Compliance Radar
US small-biz & foreign-LLC filing deadlines: FinCEN BOI, IRS 5472, franchise tax, 1099 (sourced).
RevExOS
Quote-to-cash tools: parse invoices and POs, match POs to invoices, collection emails, billing math.
MarkIt
Search, save, and set reminders in your personal MarkIt library of links, posts, and notes.
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