Truncus MCP Server: Install & Setup

Install Truncus in Claude Code

Claude Code

claude mcp add truncus -e TRUNCUS_API_KEY=... -- npx -y @truncus/mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "truncus": {
      "command": "npx",
      "args": [
        "-y",
        "@truncus/mcp-server"
      ],
      "env": {
        "TRUNCUS_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Truncus MCP server do?

Send transactional emails from AI agents via Truncus. Validate, track delivery, and manage domains.

Is the Truncus MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Truncus run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Truncus to Claude Code?

Run: claude mcp add truncus -e TRUNCUS_API_KEY=... -- npx -y @truncus/mcp-server

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