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SuperMailOS

Official registry Search and web

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http supermailos 'https://supermailos.com/mcp' --header 'Authorization: <Optional. Clients with OAuth sign-in (Claude, ChatGPT) discover it from the endpoint and need nothing here. For scripts and clients without OAuth: the word Bearer, a space, then a SuperMailOS API key (smk_...) from Settings > Developers > API keys.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "supermailos": {
            "type": "http",
            "url": "https://supermailos.com/mcp",
            "headers": {
                "Authorization": "<Optional. Clients with OAuth sign-in (Claude, ChatGPT) discover it from the endpoint and need nothing here. For scripts and clients without OAuth: the word Bearer, a space, then a SuperMailOS API key (smk_...) from Settings > Developers > API keys.>"
            }
        }
    }
}

Frequently asked questions

What is SuperMailOS?

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

How do I install SuperMailOS?

It runs as a remote server. In Claude Code: claude mcp add --transport http supermailos 'https://supermailos.com/mcp' --header 'Authorization: <Optional. Clients with OAuth sign-in (Claude, ChatGPT) discover it from the endpoint and need nothing here. For scripts and clients without OAuth: the word Bearer, a space, then a SuperMailOS API key (smk_...) from Settings > Developers > API keys.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does SuperMailOS need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains SuperMailOS?

It is published by com.supermailos. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.