Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per fax, charged only after delivery. No PromptFax account, no subscription, no API key to manage.
Tools
start_session
attach_document
get_quote
checkout
send_fax
get_status
retry_failed_fax
cancel
Server Config
{
"mcpServers": {
"promptfax": {
"url": "https://promptfax.app/mcp",
"transport": "streamable-http"
}
}
}