fmsg

io.github.markmnl/fmsg-mcp

Version 0.2.9Registry active

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

Source: Official MCP Registry
Metadata validation: valid
Site moderation: unreviewed
Registry updated: 10/9/2026, 1:40:29 PM
GitHub stars: 1 GitHub stars

Installation and connection options

Package: @markmnl/fmsg-mcpnpmstdio

Version: 0.2.9

Requires secret input

Transport definition

{
  "type": "stdio"
}

Environment variables

[
  {
    "description": "Base URL of your hosting provider's or self-hosted fmsg Web API",
    "isRequired": true,
    "name": "FMSG_API_URL"
  },
  {
    "description": "fmsg API key (fmsgk_...) for the address to send as",
    "isRequired": true,
    "isSecret": true,
    "name": "FMSG_API_KEY"
  },
  {
    "description": "Optional: lets short names resolve to @name@<domain>",
    "name": "FMSG_DEFAULT_DOMAIN"
  },
  {
    "description": "Optional local folder enabling streamed attachment saves over stdio",
    "name": "FMSG_MCP_DOWNLOAD_DIR"
  }
]

Remotestreamable-http

https://{oauth_mcp_endpoint}

Remotestreamable-http

https://{api_key_mcp_endpoint}Requires secret input

Header inputs

[
  {
    "description": "Your fmsg API key for the selected MCP endpoint",
    "isRequired": true,
    "value": "[REDACTED]",
    "isSecret": true,
    "variables": {
      "api_key": {
        "description": "API key accepted by this endpoint's fmsg Web API, starting with fmsgk_",
        "isRequired": true,
        "format": "string",
        "isSecret": true
      }
    },
    "name": "Authorization"
  }
]

Publisher links and Registry metadata

Website Repository View redacted manifest