Send faxes with MCP.
Send an attachment, check your inbox, or get a fax number from your AI assistant. Review the details and confirm before sending or getting a number.
Manual setup
Automate faxes through MCP
Connect your agent to DearFax’s hosted MCP server to send faxes, manage incoming faxes, and check delivery.
- 1Enable Developer mode in Settings → Security and login, then open Plugins and add a connection.
- 2Name it DearFax, paste the server address below, and choose OAuth.
- 3Sign in to DearFax, approve access, then choose DearFax in your conversation.
https://app.dearfax.com/api/mcpAvailable connection options depend on your ChatGPT account and workspace settings.
Prompts
Ask your agent to…
Copy a prompt into your MCP client to work with DearFax in natural language.
Send the attached document by fax
Show me the faxes I received this week
Get me a US fax number
Has my fax been delivered?
Summarize the last fax I received
Show me the delivery receipt for my last fax
Fax this document with a cover message saying the signed copy is attached
Send this document to these three fax numbers
Agentic tools
The tools your agent needs to manage faxes.
Send, receive, and manage faxes through one MCP connection.
- Faxes
- Prepare documents, review the details, and send after confirmation. Update drafts, check delivery, and retrieve receipts.
- Inbox
- Find received faxes in your workspace and read their documents. Your existing document permissions and retention limits apply.
- Fax numbers
- Find and confirm a US or Canadian number using an available workspace slot. Requires admin access; no new charges or subscription changes.
- Webhooks
- Connect your endpoint to fax arrival and delivery events. Requires workspace admin access and an existing webhook entitlement.
- ContactsSoon
- Contact tools are coming soon. For now, provide the recipient’s fax number when asking your assistant to prepare a fax.
- Workspaces
- Choose which workspace your assistant uses. Every action follows your current membership, permissions, and workspace allowances.
Building an integration? Read the DearFax MCP developer documentation for OAuth setup and the tool workflow.
Frequently asked questions