How to Use the Memberful MCP in OpenAI Agents SDK

Q: Can my agent check active coupons using Memberful and the OpenAI Agents SDK?

Yes, the agent uses the listcoupons tool to fetch active discounts. The OpenAI Agents SDK processes this list so the agent can apply valid codes to a user's checkout session.

Run your Memberful subscription billing directly inside your Python agents with the OpenAI Agents SDK.

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Connect Memberful MCP to OpenAI Agents SDK

Create your Vinkius account to connect Memberful 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 Memberful with OpenAI Agents SDK

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Auto-discover Memberful plans in OpenAI Agents SDK

The `list_plans` tool lets your OpenAI Python agent inspect your active subscription tiers without manual function mapping. You pass the MCP server configuration into the agent constructor, and the agent instantly maps out every subscription tier you have configured in Memberful. Because the OpenAI Agents SDK supports auto-discovery, you skip writing JSON schemas for your membership catalog. The agent queries active plans and uses the data to guide users to the correct checkout tier during support interactions.

Validate Memberful member creation with guardrails

The `create_member` tool registers new subscribers directly from your conversational flows. When an agent triggers this tool, the OpenAI Agents SDK runs its built-in guardrails to verify the payload before executing the write operation on Memberful. This verification prevents your agent from passing malformed email addresses or invalid plan IDs to your membership database. You get clean subscriber creation without babysitting the agent's raw output.

Safe subscription lookups with agent handoffs

The `list_subscriptions` tool pulls active customer records to verify access levels. Within your OpenAI Agents SDK pipeline, a specialized triage agent can fetch these records and hand off the session to a billing agent if it detects payment issues. This handoff happens entirely in memory, keeping your main agent focused on conversation while the billing agent handles the subscription data. The entire execution trace appears in your OpenAI dashboard for easy debugging.

Setup guide

Set up Memberful 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 Memberful tools at runtime.
3

Create your Agent

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

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Memberful 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="Memberful Agent",
            instructions="You have access to Memberful 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 Memberful MCP in OpenAI Agents SDK

Install openai-agents and initialize MCPServerStreamableHttp with your Vinkius endpoint. Pass this server instance in the mcp_servers list when creating your Agent object to auto-discover all 12 subscription tools.

Yes, the agent uses the `list_coupons` tool to fetch active discounts. The OpenAI Agents SDK processes this list so the agent can apply valid codes to a user's checkout session.

The SDK manages connection streams to the MCP server, but you should implement backoff logic in your agent's tool execution loop. If Memberful returns a rate limit error, the agent pauses before retrying the tool call.

You configure tool exposure directly in your Vinkius dashboard before connecting the OpenAI Agents SDK. This limits the agent to read-only MCP tools like list_plans if you want to block write operations like create_member.

The MCP server handles data like subscriber emails, plan choices, and transaction IDs within an ephemeral V8 sandbox on Vinkius. The OpenAI Agents SDK never stores this data, and it only passes through secure HTTPS tunnels directly to your Memberful API.

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