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mcp/harbor
Claude Desktop

SendGrid Transactional for Claude Desktop

io.github.neschadin/sendgrid-mcp

SendGrid transactional email: preflight send, templates, and delivery diagnostics.

client:Claude Desktop transport:stdio runtime:npm

Install SendGrid Transactional in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "sendgrid-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@neschadin/sendgrid-mcp"
      ],
      "env": {
        "SENDGRID_API_KEY": "<SENDGRID_API_KEY>",
        "SENDGRID_FROM_EMAIL": "<SENDGRID_FROM_EMAIL>",
        "SENDGRID_FROM_NAME": "<SENDGRID_FROM_NAME>",
        "SENDGRID_REGION": "<SENDGRID_REGION>",
        "READ_ONLY": "<READ_ONLY>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

SendGrid Transactional in other clients

SendGrid Transactional MCP server