Bring Transactional Email
to Windsurf
Learn how to connect Resend to Windsurf and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Resend MCP Server?
Connect your Resend account to any AI agent and take full control of your transactional email orchestration through natural conversation. Resend provides a world-class email infrastructure for developers, and this integration allows you to send emails, monitor domain verification, and manage contact audiences directly from your chat interface.
What you can do
- Email Orchestration — Send high-fidelity emails using custom HTML or text programmatically, with support for batch sending and history retrieval.
- Domain Lifecycle Management — List all managed domains and trigger verification processes directly from the AI interface to ensure deliverability.
- Audience & CRM Control — Create and manage contact audiences and individual subscribers via natural language to maintain your marketing lists.
- API & Security Oversight — Access and monitor your API keys to ensure your integration remains secure and synchronized.
- Operational Monitoring — Track system responses and manage email delivery logs using simple AI commands.
How it works
1. Subscribe to this server
2. Enter your Resend API Key (re_xxxxxxxxx) from your settings
3. Start managing your email infrastructure from Claude, Cursor, or any MCP-compatible client
No more manual dashboard navigation for checking logs or verifying domains. Your AI acts as a dedicated email operations manager or delivery coordinator.
Who is this for?
- Developers & DevOps — quickly send test emails and verify domain DNS records without switching tools.
- Marketing Operations — automate the management of contact audiences and monitor engagement via natural conversation.
- Startup Founders — streamline the retrieval of transactional email history directly within the chat.
Built-in capabilities (11)
Requires email. Add a contact to an audience
Create a new audience
Get details for a specific domain
Get details for a specific email
List all API keys
List contact audiences
List contacts in an audience
List registered domains
List sent emails
Requires from, to, and subject. Send a single email
Verify a domain
Why Windsurf?
Windsurf's Cascade agent chains multiple Resend tool calls autonomously. query data, analyze results, and generate code in a single agentic session. Paste Vinkius Edge URL, reload, and all 11 tools are immediately available. Real-time tool feedback appears inline, so you see API responses directly in your editor.
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Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention
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Purpose-built for agentic workflows. Cascade understands context across your entire codebase and integrates MCP tools natively
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JSON-based configuration means zero code changes: paste a URL, reload, and all 11 tools are immediately available
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Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts
Resend in Windsurf
Resend and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Resend to Windsurf through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Resend in Windsurf
The Resend MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Windsurf only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Resend for Windsurf
Every tool call from Windsurf to the Resend MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can my AI automatically find the details for a specific email just by providing its ID?
Yes! Use the get_email tool with the Email ID. Your agent will respond with complete metadata, including delivery status, timestamps, and recipient info in seconds.
How do I find my Resend API Key?
Log in to your Resend dashboard, navigate to the API Keys section, and generate a new key (it will start with re_). Copy and save it securely.
How does Windsurf discover MCP tools?
Windsurf reads the mcp_config.json file on startup and connects to each configured server via Streamable HTTP. Tools are listed in the MCP panel and available to Cascade automatically.
Can Cascade chain multiple MCP tool calls?
Yes. Cascade is an agentic system. it can plan and execute multi-step workflows, calling several tools in sequence to accomplish complex tasks without manual prompting between steps.
Does Windsurf support multiple MCP servers?
Yes. Add as many servers as needed in mcp_config.json. Each server's tools appear in the MCP panel and Cascade can use tools from different servers in a single flow.
Server not connecting
Check Settings → MCP for the server status. Try toggling it off and on.