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Send16

Official registry Productivity

Email, SMS and marketing automation: campaigns, contacts, automations and stats from Claude.

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 send16 'https://mcp.send16.com' --header 'Authorization: <Your Send16 API key as '\''Bearer sk_live_...'\'' (Settings > API keys in Send16; the free plan works).>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "send16": {
            "type": "http",
            "url": "https://mcp.send16.com",
            "headers": {
                "Authorization": "<Your Send16 API key as 'Bearer sk_live_...' (Settings > API keys in Send16; the free plan works).>"
            }
        }
    }
}

Frequently asked questions

What is Send16?

Email, SMS and marketing automation: campaigns, contacts, automations and stats from Claude.

How do I install Send16?

It runs as a remote server. In Claude Code: claude mcp add --transport http send16 'https://mcp.send16.com' --header 'Authorization: <Your Send16 API key as '\''Bearer sk_live_...'\'' (Settings > API keys in Send16; the free plan works).>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Send16 need an API key?

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

Who maintains Send16?

It is published by com.send16. 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.