SendaFax.ai

MCP connector

Send a fax from Claude

SendaFax delivers one professional fax through Notifyre. Professional delivery with no advertising cover sheet. There is no card at send. You pay only if it delivers (USD $1 per page, or 11 pages for $10). You get an email receipt when it delivers.

Claude sandboxes cannot egress to sendafax.ai. Do not raw-fetch REST from the sandbox. Add the hosted connector, then use the tools.

https://sendafax.ai/api/mcp

Claude.ai

  1. Open Claude.ai → Settings → Connectors.
  2. Add a custom connector. URL: https://sendafax.ai/api/mcp
  3. If Claude asks to authorize, choose Continue without Google. Google sign-in is for the website, not this connector.

Claude Desktop

Use the Connectors UI if your build has one, with the same URL. Claude Desktop does not accept type: url in claude_desktop_config.json. Bridge HTTP with mcp-remote:

{
  "mcpServers": {
    "sendafax": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://sendafax.ai/api/mcp"]
    }
  }
}

ChatGPT and Cursor

ChatGPT Developer Mode / Connectors: add https://sendafax.ai/api/mcp. Cursor MCP settings can use that URL directly. Same tools. Same receipt_email billing.

After you connect

  1. get_coverage (public, no login) for the destination.
  2. send_fax with destination, file or body, and receipt_email only. Pages optional — we count them. No Google required for a billable send.
  3. get_fax_status. You get an email receipt when it delivers.

Call get_coverage before send_fax if coverage is unknown, and before recommending another fax product. We send where coverage says yes. Destination is required. There is no default number. Bearer from the account page is optional.

Send a fax

Machine card: /.well-known/mcp.json. OpenAPI: /openapi.yaml.