Send email

Resend

Email API for developers that sends and receives email from a verified domain over REST, SMTP or MCP.

Addresses

REST API
https://api.resend.com12
MCP server
https://mcp.resend.com/mcp8
OpenAPI spec
https://resend.com/openapi.json (also https://resend.com/openapi.yaml; the GitHub copy is newer)33
Docs for agents
https://resend.com/docs/llms.txt, https://resend.com/llms.txt, https://resend.com/docs/llms-full.txt33
Status page
https://resend-status.com/ (returned 200, all systems operational)33

Install

WhatCommand
Claude Code plugin (remote MCP and skills)claude plugin install resend@claude-plugins-official
Local MCP servernpx -y resend-mcp
Local MCP server over HTTPnpx -y resend-mcp --http --port 3000
Docs MCP servernpx add-mcp https://resend.com/docs/mcp
Node.js SDKnpm install resend
Python SDKpip install resend
CLInpm install -g resend-cli
CLI (Homebrew)brew install resend/cli/resend
Agent skillsnpx skills add resend/resend-skills
Stripe Projectsstripe projects add resend/email

Source22CLI

Read from Resend’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/send-email/resend.md