SendGrid Secure MCP Server

by choppaaahhio.github.Choppaaahh/sendgrid-mcp-securev0.1.0

Security-focused SendGrid email sending with recipient/domain allowlists, send caps, review mode, an audit log and no silent BCC.

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Maintained37d ago

Install SendGrid Secure MCP server

claude mcp add sendgrid-mcp-secure -e SENDGRID_API_KEY='<sendgrid-api-key>' -- uvx sendgrid-mcp-secure

{
  "mcpServers": {
    "sendgrid-mcp-secure": {
      "command": "uvx",
      "args": [
        "sendgrid-mcp-secure"
      ],
      "env": {
        "SENDGRID_API_KEY": "<sendgrid-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "sendgrid-mcp-secure": {
      "command": "uvx",
      "args": [
        "sendgrid-mcp-secure"
      ],
      "env": {
        "SENDGRID_API_KEY": "<sendgrid-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "sendgrid-mcp-secure": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "sendgrid-mcp-secure"
      ],
      "env": {
        "SENDGRID_API_KEY": "<sendgrid-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "sendgrid-mcp-secure": {
      "command": "uvx",
      "args": [
        "sendgrid-mcp-secure"
      ],
      "env": {
        "SENDGRID_API_KEY": "<sendgrid-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SENDGRID_API_KEY	yes	yes	SendGrid API key (use a restricted key with Mail Send scope only)
SENDGRID_MCP_MODE	—	—	dry-run (default) or live
SENDGRID_MCP_RECIPIENT_ALLOWLIST	—	—	Comma-separated recipient addresses/domains allowed to receive mail
SENDGRID_MCP_WRITES_PER_HOUR	—	—	Hourly cap on write operations (sends)
SENDGRID_MCP_MAX_RECIPIENTS	—	—	Max recipients per send
SENDGRID_MCP_AUDIT_LOG	—	—	Path to the append-only audit log
SENDGRID_MCP_ALLOW_BCC	—	—	BCC stays disabled unless explicitly enabled

Freshness

Maintained — last maintenance signal 37d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-02 · 37d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-14 · 56d ago · official registry · v0.1.0

FAQ

›How do I install the SendGrid Secure MCP server in Claude Code?

Run: claude mcp add sendgrid-mcp-secure -e SENDGRID_API_KEY='<sendgrid-api-key>' -- uvx sendgrid-mcp-secure. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does SendGrid Secure require an API key?

Yes. It expects SENDGRID_API_KEY, of which 1 is a secret.

›Can I use SendGrid Secure as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is SendGrid Secure in the official MCP registry?

Yes, as io.github.Choppaaahh/sendgrid-mcp-secure.