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mcp/harbor
Grok

SendGrid Secure for Grok

io.github.choppaaahh/sendgrid-mcp-secure

Security-first SendGrid MCP server: dry-run default, recipient allowlists, rate caps, audit log.

client:Grok transport:stdio runtime:pypi

Install SendGrid Secure in Grok

.mcp.json (in your project root)

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

{
  "mcpServers": {
    "sendgrid-mcp-secure": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "sendgrid-mcp-secure"
      ],
      "env": {
        "SENDGRID_API_KEY": "<SENDGRID_API_KEY>",
        "SENDGRID_MCP_MODE": "<SENDGRID_MCP_MODE>",
        "SENDGRID_MCP_RECIPIENT_ALLOWLIST": "<SENDGRID_MCP_RECIPIENT_ALLOWLIST>",
        "SENDGRID_MCP_WRITES_PER_HOUR": "<SENDGRID_MCP_WRITES_PER_HOUR>",
        "SENDGRID_MCP_MAX_RECIPIENTS": "<SENDGRID_MCP_MAX_RECIPIENTS>",
        "SENDGRID_MCP_AUDIT_LOG": "<SENDGRID_MCP_AUDIT_LOG>",
        "SENDGRID_MCP_ALLOW_BCC": "<SENDGRID_MCP_ALLOW_BCC>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

SendGrid Secure in other clients

SendGrid Secure MCP server