Bring Cold Email
to OpenAI Agents SDK
Create your Vinkius account to connect Instantly to OpenAI Agents SDK and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Instantly MCP Server?
Connect Instantly to your AI agent and manage your high-volume cold email platform conversationally.
What you can do
- Campaign Management — Create, pause, resume, and monitor email campaigns with engagement metrics.
- Lead Management — Add, update, and search leads across campaigns with custom variables.
- Account Warm-up — Monitor email warm-up progress and deliverability scores across sending accounts.
- Analytics — Track opens, replies, bounces, and campaign-level performance in real time.
How it works
- Subscribe to the Instantly integration on the marketplace.
- Generate an API key from your Instantly dashboard (Settings → API → Create API Key).
- Ask your AI agent to manage campaigns, add leads, or check deliverability.
Who is this for?
- Cold Email Agencies — Manage dozens of client campaigns and sending accounts from one interface.
- SDR Teams — Scale outreach across multiple email accounts while monitoring deliverability health.
- Growth Hackers — Automate high-volume cold outreach with AI-driven campaign management.
Built-in capabilities (10)
Add leads to a campaign
Get account summary stats
Get campaign details
Get campaign analytics
List sending accounts
List all campaigns
List leads in a campaign
List campaign subsequences
Pause a campaign
Resume a campaign
Why OpenAI Agents SDK?
The OpenAI Agents SDK auto-discovers all 10 tools from Instantly through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Instantly, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
- —
Native MCP integration via
MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety - —
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
- —
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
- —
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
Instantly in OpenAI Agents SDK
Why run Instantly with Vinkius?
The Instantly connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Instantly using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Instantly and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Instantly to OpenAI Agents SDK through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Instantly for OpenAI Agents SDK
Every request between OpenAI Agents SDK and Instantly is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I get my Instantly API key?
Log in to your Instantly account at app.instantly.ai. Navigate to Settings (gear icon in the left sidebar). Click on the API section. Click Create API Key, give it a name, and copy the generated key. Paste it into the configuration field below. API access is available on all paid plans.
Can I monitor email warm-up health through my agent?
Yes. Your agent can check warm-up scores, daily sending volumes, and inbox placement rates for each sending account — helping you know when new accounts are ready for full-volume campaigns.
Can I manage multiple sending accounts?
Yes. Instantly supports unlimited sending accounts. Your AI agent can list all accounts, check their warm-up status, and manage which accounts are assigned to which campaigns.
How is Instantly different from other cold email tools?
Instantly differentiates with unlimited sending accounts, built-in email warm-up, and high-volume campaign infrastructure. It's designed for agencies and teams running 10K+ emails/month across dozens of sending domains.
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.
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.
Does the SDK support streaming responses?
Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.
MCPServerStreamableHttp not found
Ensure you have the latest version: pip install --upgrade openai-agents
Agent not calling tools
Make sure your prompt explicitly references the task the tools can help with.
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