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Nitrosend

Official registry Productivity

AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.

Source code 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 nitrosend 'https://api.nitrosend.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "nitrosend": {
            "type": "http",
            "url": "https://api.nitrosend.com/mcp"
        }
    }
}
NPM package @nitrosend/mcp
Claude Code 
claude mcp add nitrosend -e 'NITROSEND_API_KEY=<your nitrosend_api_key>' -e 'NITROSEND_BEARER_TOKEN=<your nitrosend_bearer_token>' -e 'NITROSEND_API_URL=<NITROSEND_API_URL>' -e 'NITROSEND_BRAND_SID=<NITROSEND_BRAND_SID>' -- npx -y @nitrosend/mcp@0.8.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "nitrosend": {
            "command": "npx",
            "args": [
                "-y",
                "@nitrosend/mcp@0.8.2"
            ],
            "env": {
                "NITROSEND_API_KEY": "<your nitrosend_api_key>",
                "NITROSEND_BEARER_TOKEN": "<your nitrosend_bearer_token>",
                "NITROSEND_API_URL": "<NITROSEND_API_URL>",
                "NITROSEND_BRAND_SID": "<NITROSEND_BRAND_SID>"
            }
        }
    }
}

Environment variables

  • NITROSEND_API_KEY required secret Nitrosend API key for stdio bridge usage (starts with nskey_live_)
  • NITROSEND_BEARER_TOKEN secret Optional OAuth bearer token for the stdio bridge
  • NITROSEND_API_URL Optional MCP endpoint override (defaults to https://api.nitrosend.com/mcp)
  • NITROSEND_BRAND_SID Optional fixed-brand override. When set, the bridge sends X-Brand-SID with each MCP request.

Frequently asked questions

What is Nitrosend?

AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.

How do I install Nitrosend?

It runs as a remote server. In Claude Code: claude mcp add --transport http nitrosend 'https://api.nitrosend.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Nitrosend need an API key?

Yes. It expects NITROSEND_API_KEY, NITROSEND_BEARER_TOKEN, which you set in its configuration.

Is Nitrosend open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Nitrosend?

It is published by nitrosend. 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.