SingleFax MCP Server: Install & Setup

Install SingleFax in Claude Code

Claude Code

claude mcp add --transport http singlefax https://singlefax.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "singlefax": {
      "url": "https://singlefax.com/mcp"
    }
  }
}

Frequently asked questions

What does the SingleFax MCP server do?

Send a fax from Claude, ChatGPT, or Cursor. Upload a PDF, pay, get delivery status.

Is the SingleFax MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does SingleFax run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add SingleFax to Claude Code?

Run: claude mcp add --transport http singlefax https://singlefax.com/mcp

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