Stop building newsletter features from scratch.

Newsletter Tools

A utility MCP server with 10 tools for newsletter operators, developers, and content teams.

Quick Start

Add this to your claude_desktop_config.json or MCP client config:

{
  "mcpServers": {
    "newsletter-tools": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://YOUR_CLOUD_RUN_URL/mcp"]
    }
  }
}

Related MCP server: keila-mcp

Before / After

Input: subject_line_variants with subject "5 ways to grow your email list", issue_number 42

Output:

{
  "original": "5 ways to grow your email list",
  "curiosity": "This week: 5 ways to grow your email list",
  "question": "5 ways to grow your email list?",
  "urgency": "[Just published] 5 ways to grow your email list",
  "numbered": "Issue #42: 5 ways to grow your email list",
  "personal": "5 ways to grow your email list (a quick note)"
}

Tools

Who is this for?

• Newsletter operators automating workflows with Claude

• Developers building newsletter platforms and needing utility functions via MCP

• Content teams using AI assistants to prep, audit, and optimize issues before sending

Health Check

GET /health

{ "status": "ok", "server": "newsletter-tools", "version": "1.0.0", "tools": 10 }

Built with MCPize

Built by Mastermind HQ

License

MIT