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FaxSeal MCP Server

by grichardomi Your server? Claim it
answering

FaxSeal is answering right now. Last checked 13 min ago. 122 installs a week from npm. Last commit 2 Jul 2026.

Send, receive, and verify faxes from AI assistants and agents via FaxSeal.

Installs per day peak 12 · avg 5 · +10% w/w
a month agotoday
Uptime history 91 days of history · worst day 98%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
368 ms
Response time
average over 24h
122
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check FaxSeal every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add faxseal --transport http https://mcp-server-production-8f66.up.railway.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://mcp-server-production-8f66.up.railway.app/mcp
~/.codex/config.toml
[mcp_servers.faxseal]
url = "https://mcp-server-production-8f66.up.railway.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "faxseal": {
      "url": "https://mcp-server-production-8f66.up.railway.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "faxseal": {
      "type": "http",
      "url": "https://mcp-server-production-8f66.up.railway.app/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Endpoints

URLTransportStateLatencyChecked
https://mcp-server-production-8f66.up.railway.app/mcp streamable-http needs auth 329 ms 13 min ago

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FaxSeal — questions

Answers built from our own checks of this server.

Why is there no tool list for FaxSeal?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is FaxSeal working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 368 ms. The bar chart above shows every period we have measured.
How do I connect FaxSeal?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.
Does FaxSeal need an API key?
Yes. Every time we knock, FaxSeal answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is FaxSeal?
It answers our handshake in 368 ms on average, which is faster than 36% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use FaxSeal?
The npm package faxseal-mcp was installed 122 times in the last week. Week over week that is +10%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is FaxSeal open source?
The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at mcp-server-production-8f66.up.railway.app, which runs on its operator's own terms.