ConnectoryIndex of MCP servers — No. 060

Index / Communication / No. 047

COM · Communication · Official server

Resend

Send and manage email through Resend from your agent.

Transport
Remote HTTP + local stdio
Status
Official · Resend
Auth method
OAuth (remote) or Resend API key (Bearer header / RESEND_API_KEY)RESEND_API_KEY
Scopes / permissions
Not documented
Last verified
Oct 16, 2026
Tools listed
02

§1What it does

Resend's MCP server lets agents send emails and work with the Resend API. Use the hosted server or run it locally with a Resend API key.

§2Setup

Remote server (OAuth)
{
  "mcpServers": {
    "resend": {
      "url": "https://mcp.resend.com/mcp"
    }
  }
}
Claude Code (remote, OAuth)
claude mcp add --transport http resend https://mcp.resend.com/mcp
# then run /mcp and select resend to log in
Claude Code (remote, API key)
claude mcp add --transport http resend https://mcp.resend.com/mcp --header "Authorization: Bearer re_xxxxxxxxx"
Claude Code (local)
claude mcp add resend -e RESEND_API_KEY=re_xxxxxxxxx -- npx -y resend-mcp

Snippets adapted from the official documentation. Check the official page for current options and auth requirements.

§2bWhen you disconnect

  1. Removed locallyClear the sign-in or remove the server in your MCP client (for example claude mcp logout or claude mcp remove in Claude Code, or log out of the server in Cursor). This only deletes the client's copy of the tokens.
  2. Authorization revokedFind Resend's connected-apps / authorized applications page and revoke the grant there. We haven't found an official page for it yet. This is what stops the refresh token; clearing the client alone is not enough.

Why both steps: OAuth token refresh in the security checklist.

§3Prompts to try

  1. “Email the team a summary of today's deploys.”
  2. “Draft and send a welcome email to new@example.com.”

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