Send transactional emails with developer-grade deliverability — manage domains, API keys, and sending stats via Resend.
Use with AI AssistantsMCP
Connect Claude, Cursor, or any MCP-compatible client — then call tools directly
① Add This MCP Server
Paste into your AI client config — then all its tools are available instantly.
{
"mcpServers": {
"resend": {
"url": "https://mcp.aerostack.dev/s/aerostack/mcp-resend",
"headers": {
"Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
}
}
}
}Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.
② Call a Tool
Ask your AI assistant to call a specific tool, or send raw JSON-RPC:
Natural Language Prompt
“Use the _ping tool to verify resend credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”
Using a Workspace?
Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.
Send transactional emails and manage domains from your AI agents.
Resend is the developer-first email platform built for reliable transactional delivery — welcome emails, password resets, invoice notifications, and anything else your product needs to send. This MCP server lets your AI agents send emails, check delivery status, list recent sends, and inspect verified sending domains without touching code.
Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-resend
| Tool | Description |
|---|---|
send_email | Send a transactional email (HTML or plain text, supports CC, BCC, reply-to) |
get_email | Get details and delivery status of a sent email by ID |
list_emails | List recently sent emails |
list_domains | List verified sending domains |
cancel_email | Cancel a scheduled email before it sends |
| Variable | Required | Description | How to Get |
|---|---|---|---|
RESEND_API_KEY | Yes | Resend API key for all email operations | resend.com/api-keys → Create API Key → give it a name and set permissions → copy the key (shown once) |
RESEND_API_KEY under Project → SecretsOnce added, every AI agent in your workspace can call Resend tools automatically — no per-user setup needed.
"Send a welcome email to new-user@example.com from hello@myapp.com with the onboarding instructions"
"Check the delivery status of the email with ID email_abc123xyz"
"List all verified sending domains on our Resend account"
curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-resend \
-H 'Content-Type: application/json' \
-H 'X-Mcp-Secret-RESEND-API-KEY: your-api-key' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"send_email","arguments":{"from":"hello@yourdomain.com","to":"recipient@example.com","subject":"Welcome aboard","html":"<p>Thanks for signing up!</p>"}}}'
MIT
Live Endpoint
https://mcp.aerostack.dev/s/aerostack/mcp-resend
Sub-50ms globally · Zero cold start
@aerostack
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Yes. The Resend MCP gives Claude tools to send emails directly through your Resend account. Just describe what you want to send and Claude handles the Resend API call.
Yes. The Resend MCP includes tools to list and retrieve emails from your Resend account. Claude can filter, sort, and summarize emails based on your instructions.
Yes. The Resend MCP uses the open Model Context Protocol standard, so it works in Claude, Cursor, Windsurf, and any other MCP-compatible AI tool. All 5 Resend tools are available everywhere you connect it — install once on Aerostack.
Yes. Aerostack hosts the Resend MCP with encrypted credential storage and per-account authentication. Your Resend credentials are never shared with Claude's conversation — they're used server-side only.