SendGrid transactional email: preflight send, templates, and delivery diagnostics.
To add SendGrid Transactional to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
npx -y @neschadin/sendgrid-mcp@3.0.3Environment variables
SENDGRID_API_KEYSet in your MCP configSENDGRID_FROM_EMAILSet in your MCP configSENDGRID_FROM_NAMESet in your MCP configSENDGRID_REGIONSet in your MCP configREAD_ONLYSet in your MCP configInstall with your client
claude mcp add sendgrid-transactional --env SENDGRID_API_KEY=<YOUR_SENDGRID_API_KEY> --env SENDGRID_FROM_EMAIL=<YOUR_SENDGRID_FROM_EMAIL> --env SENDGRID_FROM_NAME=<YOUR_SENDGRID_FROM_NAME> --env SENDGRID_REGION=<YOUR_SENDGRID_REGION> --env READ_ONLY=<YOUR_READ_ONLY> -- npx -y @neschadin/sendgrid-mcp@3.0.3
Run this in a terminal to add the server to Claude Code.
What this does
SendGrid Transactional exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
SENDGRID_API_KEY SENDGRID_FROM_EMAIL SENDGRID_FROM_NAME SENDGRID_REGION READ_ONLY
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install SendGrid Transactional?
Run the Claude Code command in the install section to add SendGrid Transactional to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with SendGrid Transactional?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to SendGrid Transactional as well.
Does SendGrid Transactional need an API key?
Yes. Before it can run, set these environment variables: SENDGRID_API_KEY, SENDGRID_FROM_EMAIL, SENDGRID_FROM_NAME, SENDGRID_REGION, READ_ONLY. They go in the env block of your MCP config.
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