SendGrid transactional email: preflight send, templates, and delivery diagnostics.
Connect Runs on your machine
claude mcp add sendgrid-mcp -e SENDGRID_API_KEY=<SENDGRID_API_KEY> -e SENDGRID_FROM_EMAIL=<SENDGRID_FROM_EMAIL> -e SENDGRID_FROM_NAME=<SENDGRID_FROM_NAME> -e SENDGRID_REGION=<SENDGRID_REGION> -e READ_ONLY=<READ_ONLY> -- npx -y @neschadin/[email protected]{
"mcpServers": {
"sendgrid-mcp": {
"command": "npx",
"args": [
"-y",
"@neschadin/[email protected]"
],
"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>"
}
}
}
}{
"mcpServers": {
"sendgrid-mcp": {
"command": "npx",
"args": [
"-y",
"@neschadin/[email protected]"
],
"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>"
}
}
}
}{
"servers": {
"sendgrid-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@neschadin/[email protected]"
],
"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>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
SENDGRID_API_KEYRequired, secret | SendGrid API key (SG....) |
SENDGRID_FROM_EMAILRequired | Default From address. Must be a verified sender. |
SENDGRID_FROM_NAMEOptional | Default From display name |
SENDGRID_REGIONOptional | global (default) or eu |
READ_ONLYOptional | When true, send and mutating tools return an error before any SendGrid request |
Details
| Package | @neschadin/[email protected] (NPM, stdio) |
| First published | 12 Oct 2026 |
| Last updated | 12 Oct 2026 |
| Registry name | io.github.Neschadin/sendgrid-mcp |
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