PromptFax
app.promptfax/promptfax
Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per delivered fax.
Description as published in the official MCP registry.
Answers, but requires sign-in before the handshake. Checked 2026-10-05.
What we measured
| Endpoint | https://promptfax.app/mcp | registry |
|---|---|---|
| Handshake | Answers, but requires sign-in before the handshake (180 ms) | our check, 2026-10-05 |
| Registry version | 0.1.0 · active · updated 2026-05-30 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http promptfax https://promptfax.app/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name app.promptfax/promptfax.