fmsg

io.github.markmnl/fmsg-mcp

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "fmsg-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@markmnl/fmsg-mcp@1.5.2"
      ],
      "env": {
        "FMSG_API_URL": "<your FMSG_API_URL>",
        "FMSG_API_KEY": "<your FMSG_API_KEY>"
      }
    }
  }
}
Environment variables
  • FMSG_API_URLrequiredBase URL of your hosting provider's or self-hosted fmsg Web API
  • FMSG_API_KEYrequiredsecretfmsg API key (fmsgk_...) for the address to send as

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.5.2
Registry
active
Published
11/7/2026

Remotes

  • streamable-httphttps://{oauth_mcp_endpoint}
  • streamable-httphttps://{api_key_mcp_endpoint}

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Add the badge to your site

Show visitors that fmsg is listed here — it’s also the link we check for a free listing.

fmsg — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-markmnl-fmsg-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="fmsg — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![fmsg — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-markmnl-fmsg-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.