faxseal

Send, receive, and verify faxes directly from AI assistants and agents.

CommunityOnlineAPI key requiredGlobalFreeCan modify data

What it can do

  • Send Fax: Send a fax from a publicly accessible PDF URL. Returns a job ID for status tracking.
  • Send Fax Text: Convert plain text to a PDF and send it as a fax. Ideal when the content is generated at runtime.
  • Get Fax Status: Check the delivery status of a sent fax. Status: queued → sending → delivered or failed.

What data it sees

Do you need an account

An API key from the service settings is required

Send, receive, and verify faxes directly from AI assistants and agents. FaxSeal MCP gives your AI the ability to fax documents from a URL or plain text, check delivery status, list received faxes with OCR text, and verify cryptographic delivery attestations via Sigstore/Rekor. Requires a FaxSeal API key — get one at https://faxseal.com/dashboard/api-tokens

How to connect

How to connect faxseal to Claude

The server address to paste into Claude settings:

https://faxseal--grichardomi.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect faxseal to ChatGPT

The server address to paste into ChatGPT settings:

https://faxseal--grichardomi.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect faxseal to Cursor

The server address to paste into Cursor settings:

https://faxseal--grichardomi.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (6)

Raw names from tools/list. Only developers need these.

send_faxSend a fax from a publicly accessible PDF URL. Returns a job ID for status tracking.
send_fax_textConvert plain text to a PDF and send it as a fax. Ideal when the content is generated at runtime.
get_fax_statusCheck the delivery status of a sent fax. Status: queued → sending → delivered or failed.
get_creditsCheck the current FaxSeal credit balance for this API token.
list_received_faxesList faxes received in the inbox, newest first (up to 50). Includes OCR text when available.
verify_faxVerify the cryptographic attestation of a fax via Sigstore/Rekor. Confirms delivery without tampering.