RemotePaid service

PromptFax MCP server

app.promptfax/promptfax

Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per delivered fax.

Install PromptFax in Claude Code

Claude Code
claude mcp add --transport http promptfax https://promptfax.app/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "promptfax": {
      "url": "https://promptfax.app/mcp"
    }
  }
}

Frequently asked questions

What does the PromptFax MCP server do?

Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per delivered fax.

Is the PromptFax MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does PromptFax run locally or remotely?

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

How do I add PromptFax to Claude Code?

Run: claude mcp add --transport http promptfax https://promptfax.app/mcp

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