# PayPerFax

PayPerFax lets an AI agent prepare a fax and create a browser link for review and payment. Use it to send a drafted letter or attach a file yourself.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI
- Author: payperfax
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/payperfax/fax-mcp
- Updated: 2026-10-18
- HTML: https://affpapa.org/en/nevibecode/mcp/payperfax

## What it does

The server exposes three tools. `create_fax` prepares a fax and returns a link, `get_fax_status` reports its state, and `list_supported_formats` shows accepted file types, size limits, and languages. An agent can turn a letter into Markdown; if you have a finished document, upload it through the form opened by the link.

Payment happens in your browser after you inspect the preview. The agent does not pay, and no account or API key is needed. MCP cannot move chat attachments to the server, so you must add a PDF or scan in the browser. Failed transmissions are not charged. Check the fax number before paying, since a typo could send your documents to the wrong recipient.

## Requirements
- Remote server: `https://fax.payperfax.com/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http fax https://fax.payperfax.com/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add payperfax --url https://fax.payperfax.com/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "payperfax": {
            "url": "https://fax.payperfax.com/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "payperfax": {
            "type": "http",
            "url": "https://fax.payperfax.com/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http payperfax https://fax.payperfax.com/mcp
```

## When to use it
- prepare a fax from a drafted letter
- create a review and payment link
- check a fax transmission status
- find accepted file types and size limits

## Example prompts
- Prepare a fax from this letter and give me the review link.
- Create a fax form for this number so I can attach my PDF.
- Check the status of my fax.

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