MCP server

SendThisFax Official

com.sendthisfax/fax

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

Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.

Website

At a glance

Type

MCP server

Publisher

sendthisfax.com (verified by the MCP Registry)

Status

Working at last check

Tools

4

Token cost

About 1,073 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 fax https://www.sendthisfax.com/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.fax]
url = "https://www.sendthisfax.com/mcp"

Gemini CLI

{"mcpServers":{"fax":{"httpUrl":"https://www.sendthisfax.com/mcp"}}}

Cursor

{"mcpServers":{"fax":{"url":"https://www.sendthisfax.com/mcp"}}}

VS Code

{"servers":{"fax":{"type":"http","url":"https://www.sendthisfax.com/mcp"}}}

Antigravity

agy mcp add fax https://www.sendthisfax.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":"fax","server_url":"https://www.sendthisfax.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"fax","server_url":"https://www.sendthisfax.com/mcp"}

Tools

• check_balance ~102 tokens
  Get the prepaid credit balance of the API key used to authenticate this MCP connection. Requires a bearer API key (stf_live_...). Buy or top up credits at https://www.sendthisfax.com/en/credits — credits never expire and failed faxes are re-credited automatically.
• get_fax_status ~175 tokens
  Get the current status of a fax. Poll this after send_fax until a terminal state. Fax lifecycle: draft (uploaded, not submitted) -> pending (submitted, awaiting payment) -> sending -> delivered | failed. Payment lifecycle: unpaid -> verifying/open (checkout in progress) -> paid | failed | canceled
• get_price ~162 tokens
  Get the price quote in euro cents for sending a fax. Pricing: 5.00 EUR for up to 5 pages, plus 0.50 EUR per extra page, plus VAT based on the payer's billing country (0% VAT outside the EU).
• send_fax Sends messages · ~634 tokens
  Submit an uploaded PDF for faxing. Step 1 (before this tool): upload the PDF over plain HTTP multipart, using any HTTP client you have — shell, JavaScript fetch with FormData, Python, etc.: curl -F "file=@document.pdf" https://www.sendthisfax.com/api/upload fetch("https://www.sendthisfax.com/ap

Browse

• PDF tools
• Payments

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