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Resend MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 11 tools to Add Contact To Audience, Create Audience, Get Domain Details, and more

Built by Vinkius GDPR 11 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Resend through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Use with Your AI Agent

Ask AI about this App Connector for OpenAI Agents SDK

Open in ChatGPT Open in Claude Open in Perplexity

The Resend app connector for OpenAI Agents SDK is a standout in the Industry Titans category — giving your AI agent 11 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

python
import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Resend Assistant",
            instructions=(
                "You help users interact with Resend. "
                "You have access to 11 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Resend"
        )
        print(result.final_output)

asyncio.run(main())
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About 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.

The OpenAI Agents SDK auto-discovers all 11 tools from Resend through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Resend, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

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.

The Resend MCP Server exposes 11 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 11 Resend tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Resend through Vinkius, your AI agent gets direct access to every tool listed below — spanning transactional-email, email-api, domain-verification, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

add_contact_to_audience

Requires email. Add a contact to an audience

create_audience

Create a new audience

get_domain_details

Get details for a specific domain

get_email_details

Get details for a specific email

list_api_keys

List all API keys

list_audiences

List contact audiences

list_contacts

List contacts in an audience

list_domains

List registered domains

list_sent_emails

List sent emails

send_email

Requires from, to, and subject. Send a single email

verify_domain

Verify a domain

Connect Resend to OpenAI Agents SDK via MCP

Follow these steps to wire Resend into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

01

Install the SDK

Run pip install openai-agents in your Python environment
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com
03

Run the script

Save the code above and run it: python agent.py
04

Explore tools

The agent will automatically discover 11 tools from Resend

Why Use OpenAI Agents SDK with the Resend MCP Server

OpenAI Agents SDK provides unique advantages when paired with Resend through the Model Context Protocol.

01

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

02

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

03

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

04

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Resend + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Resend MCP Server delivers measurable value.

01

Automated workflows: build agents that query Resend, process the data, and trigger follow-up actions autonomously

02

Multi-agent orchestration: create specialist agents. one queries Resend, another analyzes results, a third generates reports

03

Data enrichment pipelines: stream data through Resend tools and transform it with OpenAI models in a single async loop

04

Customer support bots: agents query Resend to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Resend in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Resend immediately.

01

"Send a welcome email to test@example.com using HTML."

02

"Show me the delivery analytics for all emails sent through Resend this week."

03

"Send a transactional email with the invoice PDF attachment to client@meridian.io."

Troubleshooting Resend MCP Server with OpenAI Agents SDK

Common issues when connecting Resend to OpenAI Agents SDK through the Vinkius, and how to resolve them.

01

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents
02

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Resend + OpenAI Agents SDK FAQ

Common questions about integrating Resend MCP Server with OpenAI Agents SDK.

01

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.
02

Can I use multiple MCP servers in one agent?

Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.
03

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.