How to Use the Missive MCP in OpenAI Agents SDK

Q: Can my OpenAI Agents SDK system draft Missive replies without sending them immediately?

Yes. Use createdraft to write the message, then let a human review it in Missive before calling senddraft.

Q: What is the best way to handle triage with Missive and OpenAI Agents SDK?

Use listconversations with a mailbox filter to find unassigned threads. Have your routing agent run createpost to assign it.

Drive shared inboxes with OpenAI Agents SDK using safe, traced agent handoffs and automated drafting.

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Connect Missive MCP to OpenAI Agents SDK

Create your Vinkius account to connect Missive to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Missive with OpenAI Agents SDK

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Draft and send mail with OpenAI Agents SDK

The `create_draft` tool lets your agent write replies directly inside shared threads without human intervention. Your agent prepares the response, and then `send_draft` fires it off once your safety guardrails approve the action. This setup prevents the agent from sending unverified text to customers. You get full tracing in your OpenAI dashboard to see exactly what triggered the draft before it went out.

Route and tag conversations using this MCP Server

This MCP Server exposes `list_conversations` so your agent can pull fresh threads from specific mailboxes like inbox or assigned. It checks the context of the thread and uses `create_post` to apply labels, assign teammates, or close resolved tickets. Because the OpenAI Agents SDK supports seamless handoffs, a triage agent can identify the problem and hand the conversation over to a specialized support agent. The entire execution path remains visible in your developer console.

Keep team contacts and context updated automatically

The `create_contact` tool inserts new customer records directly into Missive from your backend workflows. Your agent runs `list_contacts` to verify if a sender already exists before creating a duplicate card. When a customer emails with updated details, your agent grabs the current record, compares the fields, and updates the contact. It uses `get_me` to verify which team member's account is performing the action for audit logs.

Setup guide

Set up Missive MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Missive tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Missive tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Missive tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Missive Agent",
            instructions="You have access to Missive tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about Missive MCP in OpenAI Agents SDK

Install the package, define the server streamable HTTP parameters, and pass it to your agent constructor.

Yes. Use `create_draft` to write the message, then let a human review it in Missive before calling `send_draft`.

The SDK auto-discovers all 10 tools when you pass the server endpoint. Set cacheToolsList to True to speed up startup times.

Use `list_conversations` with a mailbox filter to find unassigned threads. Have your routing agent run `create_post` to assign it.

No. This server runs in a secure, ephemeral V8 sandbox on Vinkius. It handles authentication locally, passing only the specific text requested by `list_messages` to your agent, while your API keys remain encrypted.

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