fmsg MCP Server

by markmnl Your server? Claim it

not responding

fmsg is listed as active in the registry but did not answer our last check. 1 089 installs a week from npm. Last commit 7 Nov 2026.

Federated messaging with your fmsg hosting provider. Connect with OAuth or an API key.

Installs per day peak 1 026 · avg 127 · +314% w/w

a month agotoday

Uptime history 53 days of history · worst day 0%

53 days agonow

0.0%

Uptime 24h

0 of 182 checks

—

Tools

hidden behind auth

0 ms

Response time

average over 24h

1 089

Installs / week

npm and PyPI

fmsg does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add fmsg-mcp --transport http 'https://{oauth_mcp_endpoint}'

Settings → Connectors → Add custom connector, then paste this address

https://{oauth_mcp_endpoint}

~/.codex/config.toml

[mcp_servers.fmsg-mcp]
url = "https://{oauth_mcp_endpoint}"

.cursor/mcp.json

{
  "mcpServers": {
    "fmsg-mcp": {
      "url": "https://{oauth_mcp_endpoint}"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "fmsg-mcp": {
      "type": "http",
      "url": "https://{oauth_mcp_endpoint}"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Endpoints

URL	Transport	State	Latency	Checked
https://{oauth_mcp_endpoint}	streamable-http	answering	0 ms	12 min ago
https://{api_key_mcp_endpoint}	streamable-http	answering	0 ms	12 min ago

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fmsg — questions

Answers built from our own checks of this server.

Is fmsg working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 182 checks got a reply (0.0%), average response time 0 ms. The bar chart above shows every period we have measured.

The registry lists fmsg as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect fmsg?

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.

Does fmsg need an API key?

No. fmsg completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.

How many people use fmsg?

The npm package @markmnl/fmsg-mcp was installed 1 089 times in the last week. Week over week that is +314%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is fmsg open source?

The code is open source: it is published under the MIT licence, written in TypeScript and 5 stars on GitHub. The licence covers the code in the repository, not the hosted service, which runs on its operator's own terms.