PromptFax

PromptFax MCP Setup

PromptFax exposes a remote MCP server at https://promptfax.app/mcp.

Use the human-readable setup page at https://promptfax.app/mcp-setup and the MCP tools catalog at https://promptfax.app/mcp-tools.json.

Connector manifest

{
  "schema_version": "1.0",
  "name": "PromptFax",
  "title": "PromptFax MCP Connector",
  "tagline": "Send one-off outbound faxes from ChatGPT, Claude, and other MCP hosts.",
  "description": "PromptFax is a pay-per-use remote MCP connector and web app for preparing, quoting, authorizing, sending, and tracking outbound faxes without a PromptFax account or subscription.",
  "endpoint": "https://promptfax.app/mcp",
  "transport": "streamable-http",
  "auth": "OAuth",
  "oauth": {
    "type": "OAuth",
    "discovery": "MCP server metadata"
  },
  "operator": {
    "name": "Cogint Labs LLC",
    "url": "https://promptfax.app/"
  },
  "categories": ["Business", "Documents", "Fax"],
  "logo_url": "https://promptfax.app/brand/promptfax-logo-512.png",
  "logo_urls": {
    "png_256": "https://promptfax.app/brand/promptfax-icon-256.png",
    "png_512": "https://promptfax.app/brand/promptfax-logo-512.png",
    "png_1024": "https://promptfax.app/brand/promptfax-logo-1024.png",
    "svg": "https://promptfax.app/brand/promptfax-logo.svg"
  },
  "og_image_url": "https://promptfax.app/brand/promptfax-og.png",
  "links": {
    "homepage": "https://promptfax.app/",
    "setup": "https://promptfax.app/mcp-setup",
    "docs": "https://promptfax.app/mcp-setup",
    "tools": "https://promptfax.app/mcp-tools",
    "tools_json": "https://promptfax.app/mcp-tools.json",
    "pricing": "https://promptfax.app/pricing",
    "pricing_json": "https://promptfax.app/pricing.json",
    "faq": "https://promptfax.app/faq",
    "faq_json": "https://promptfax.app/faq.json",
    "demo": "https://promptfax.app/mcp-demo",
    "server_json": "https://promptfax.app/server.json",
    "llms_txt": "https://promptfax.app/llms.txt",
    "llms_full_txt": "https://promptfax.app/llms-full.txt",
    "privacy": "https://promptfax.app/privacy",
    "terms": "https://promptfax.app/terms"
  },
  "support": {
    "email": "support@promptfax.app",
    "url": "https://promptfax.app/faq"
  },
  "limits": {
    "area_served": "United States outbound fax numbers",
    "max_pages": 35,
    "max_upload_bytes": 52428800,
    "accepted_file_types": ["PDF", "JPG", "JPEG", "PNG"]
  },
  "pricing": {
    "summary": "$2 first 5 pages plus 10 cents per page after; $4.50 max up to 35 pages.",
    "charge_condition": "Charged only after successful delivery.",
    "url": "https://promptfax.app/pricing"
  },
  "safety": [
    "Real workflow tool calls require OAuth.",
    "The user reviews a quote before payment.",
    "Stripe Checkout is external and payment authorization is confirmed by webhook.",
    "PromptFax does not claim HIPAA compliance and does not provide a BAA."
  ],
  "tools": [
    "start_session",
    "attach_document",
    "get_quote",
    "checkout",
    "send_fax",
    "get_status",
    "retry_failed_fax",
    "cancel"
  ],
  "tool_list_url": "https://promptfax.app/mcp-tools.json"
}