Can an AI assistant send a fax for me?

Yes. Connect the Faxer MCP server (https://faxer.me/mcp) to Claude, ChatGPT, Cursor, or any MCP-compatible assistant and ask it to send a fax. The assistant prices the document, gives you a secure Stripe payment link, and transmits the fax once you have paid. It never sees your card details.

How much does it cost to send a fax through the MCP server?

The same as faxer.me on the web: $1.00 for the first page and $0.25 per additional page, paid per fax with a card via Stripe Checkout. There is no subscription, no account, and no fee for connecting the MCP server itself.

Is it safe to let an AI agent send faxes?

Payment is always human-in-the-loop: the agent can only request a Stripe Checkout link, and nothing is sent until a human completes payment in their own browser. Each payment covers exactly one fax at a server-verified price, and failed transmissions are refunded automatically.

What is an MCP server?

MCP (Model Context Protocol) is an open standard that lets AI assistants use external tools. An MCP server describes what it can do — in Faxer's case, quoting and sending faxes — and compatible assistants like Claude and ChatGPT can call those tools during a conversation.

Send a fax with your AI assistant

Faxer runs a free, open MCP server at https://faxer.me/mcp so Claude, ChatGPT, Cursor, and any other MCP-compatible AI agent can send real faxes for you — pay per fax, no account, no subscription.

Connect it

The server speaks Streamable HTTP and needs no API key or sign-up. Endpoint: https://faxer.me/mcp

Claude Code

claude mcp add --transport http faxer https://faxer.me/mcp

Claude.ai / Claude Desktop

Settings → Connectors → Add custom connector, then paste https://faxer.me/mcp.

Cursor / other MCP clients

{
  "mcpServers": {
    "faxer": { "url": "https://faxer.me/mcp" }
  }
}

How a fax gets sent

You ask "Fax this PDF to +1 555 123 4567." The agent calls get_fax_quote — the server downloads the document and computes the exact price from its real page count.
The agent requests a payment link with create_fax_payment and hands you a Stripe Checkout URL. You pay in your own browser — the agent never sees your card.
The agent sends the fax with send_fax. The server verifies your payment covers the server-computed price, then transmits over a real fax network. If transmission fails, you're refunded automatically.
Delivery is confirmed via get_fax_status — usually within 1–5 minutes.

Tools

Tool	What it does
`get_fax_quote`	Exact price for a document URL, text, or page count
`create_fax_payment`	Stripe Checkout link for the human to pay (one fax per payment)
`send_fax`	Verifies payment, transmits the fax, refunds on failure
`get_fax_status`	Real-time delivery status

Pricing

Same as the website: $1.00 for the first page, $0.25 per additional page (USD, via Stripe). No subscription, no account, no connector fee. US, Canadian, and international numbers.

Why it's safe

Human-in-the-loop payment: nothing transmits until a person completes Stripe Checkout in their own browser.
Server-side pricing: the price is recomputed from the actual document at send time — an agent can't underpay.
One fax per payment, and failed transmissions are refunded automatically.

Prefer to send it yourself?

Upload a PDF and fax it from your browser in under a minute.

Send a fax at faxer.me

FAQ

Can an AI assistant really send a fax for me?

Yes — any assistant that supports MCP connectors (Claude, ChatGPT developer mode, Cursor, and many agent frameworks) can use this server to quote, pay for, and transmit real faxes to any fax number.

Does the agent handle my credit card?

Never. The agent only receives a Stripe Checkout link, which it shows to you. You pay on Stripe's secure page; the agent is told only whether the payment is complete.

What documents can be faxed?

Point the agent at any publicly downloadable PDF (up to 25 MB), or just tell it what to write — plain text is rendered onto professional fax pages (~3,000 characters per page).

What is MCP?

The Model Context Protocol is an open standard, originally introduced by Anthropic, that lets AI assistants call external tools. Faxer's MCP server exposes faxing as a tool any compatible assistant can use.