send0 MCP Server: Install & Setup

Install send0 in Claude Code

Remote URL

Claude Code

claude mcp add --transport http send0 https://api.send0.dev/mcp

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

{
  "mcpServers": {
    "send0": {
      "url": "https://api.send0.dev/mcp"
    }
  }
}

npm

Claude Code

claude mcp add send0 -e SEND0_API_KEY=... -- npx -y @send0/mcp

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

{
  "mcpServers": {
    "send0": {
      "command": "npx",
      "args": [
        "-y",
        "@send0/mcp"
      ],
      "env": {
        "SEND0_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the send0 MCP server do?

Email inboxes for AI agents: create an address, wait for codes and links, send and reply in threads.

Is the send0 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 send0 run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add send0 to Claude Code?

Run: claude mcp add --transport http send0 https://api.send0.dev/mcp

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