@nitrosend/mcp

@nitrosend/mcp

MCP server for Nitrosend — connect any AI agent to your email marketing platform.

Manage contacts, compose emails, build automated flows, and launch campaigns through natural language.

Setup by client

Claude Code

No API key needed. Claude Code handles sign-in automatically via OAuth.

Add to .mcp.json:

{
  "mcpServers": {
    "nitrosend": {
      "type": "http",
      "url": "https://api.nitrosend.com/mcp"
    }
  }
}

Or via CLI:

claude mcp add --transport http nitrosend https://api.nitrosend.com/mcp

Cursor

API key — add to .cursor/mcp.json:

{
  "mcpServers": {
    "nitrosend": {
      "command": "npx",
      "args": ["-y", "@nitrosend/mcp"],
      "env": {
        "NITROSEND_API_KEY": "nskey_live_..."
      }
    }
  }
}

OAuth — use mcp-remote as a proxy:

{
  "mcpServers": {
    "nitrosend": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://api.nitrosend.com/mcp"]
    }
  }
}

Claude.ai (web + mobile)

Go to Settings → Connectors → Add custom connector and enter:

https://api.nitrosend.com/mcp

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "nitrosend": {
      "command": "npx",
      "args": ["-y", "@nitrosend/mcp"],
      "env": {
        "NITROSEND_API_KEY": "nskey_live_..."
      }
    }
  }
}

Zed

Add to Zed settings under context_servers:

{
  "context_servers": {
    "nitrosend": {
      "command": {
        "path": "npx",
        "args": ["-y", "@nitrosend/mcp"],
        "env": {
          "NITROSEND_API_KEY": "nskey_live_..."
        }
      }
    }
  }
}

Any other MCP client

{
  "command": "npx",
  "args": ["-y", "@nitrosend/mcp"],
  "env": {
    "NITROSEND_API_KEY": "nskey_live_..."
  }
}

Get your API key at nitrosend.com → Settings → API Keys.

What you can do

Once connected, your agent can:

• Read — query contacts, segments, flows, campaigns, and account status
• Compose — create emails with sections, build multi-step flows, set up campaigns
• Manage — import contacts, create segments, manage lists and tags
• Deliver — preview emails, run spam checks, send tests, approve and schedule campaigns
• Insights — view open/click/unsubscribe metrics and trends

Environment variables

Variable	Description
NITROSEND_API_KEY	API key (nskey_live_...) — for stdio transport
NITROSEND_BEARER_TOKEN	OAuth bearer token — alternative to API key
NITROSEND_API_URL	Override API endpoint (default: https://api.nitrosend.com/mcp)

Requirements

• Node.js 18+

License

MIT