Security-first SendGrid MCP server: dry-run default, recipient allowlists, rate caps, audit log.
To add SendGrid Secure 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 7 environment variables, listed below.
Install
uvx sendgrid-mcp-secure@0.1.0Environment variables
SENDGRID_API_KEYSet in your MCP configSENDGRID_MCP_MODESet in your MCP configSENDGRID_MCP_RECIPIENT_ALLOWLISTSet in your MCP configSENDGRID_MCP_WRITES_PER_HOURSet in your MCP configSENDGRID_MCP_MAX_RECIPIENTSSet in your MCP configSENDGRID_MCP_AUDIT_LOGSet in your MCP configSENDGRID_MCP_ALLOW_BCCSet in your MCP configInstall with your client
claude mcp add sendgrid-secure --env SENDGRID_API_KEY=<YOUR_SENDGRID_API_KEY> --env SENDGRID_MCP_MODE=<YOUR_SENDGRID_MCP_MODE> --env SENDGRID_MCP_RECIPIENT_ALLOWLIST=<YOUR_SENDGRID_MCP_RECIPIENT_ALLOWLIST> --env SENDGRID_MCP_WRITES_PER_HOUR=<YOUR_SENDGRID_MCP_WRITES_PER_HOUR> --env SENDGRID_MCP_MAX_RECIPIENTS=<YOUR_SENDGRID_MCP_MAX_RECIPIENTS> --env SENDGRID_MCP_AUDIT_LOG=<YOUR_SENDGRID_MCP_AUDIT_LOG> --env SENDGRID_MCP_ALLOW_BCC=<YOUR_SENDGRID_MCP_ALLOW_BCC> -- uvx sendgrid-mcp-secure@0.1.0
Run this in a terminal to add the server to Claude Code.
What this does
SendGrid Secure 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_MCP_MODE SENDGRID_MCP_RECIPIENT_ALLOWLIST SENDGRID_MCP_WRITES_PER_HOUR SENDGRID_MCP_MAX_RECIPIENTS SENDGRID_MCP_AUDIT_LOG SENDGRID_MCP_ALLOW_BCC
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 Secure?
Run the Claude Code command in the install section to add SendGrid Secure 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 Secure?
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 Secure as well.
Does SendGrid Secure need an API key?
Yes. Before it can run, set these environment variables: SENDGRID_API_KEY, SENDGRID_MCP_MODE, SENDGRID_MCP_RECIPIENT_ALLOWLIST, SENDGRID_MCP_WRITES_PER_HOUR, SENDGRID_MCP_MAX_RECIPIENTS, SENDGRID_MCP_AUDIT_LOG, SENDGRID_MCP_ALLOW_BCC. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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