How to Use the Handwrytten MCP in OpenAI Agents SDK

Q: Can my OpenAI Agents SDK agent use Handwrytten fonts?

Yes, your agent calls listfonts to find a handwriting style and passes that ID to sendcard. This allows the OpenAI Agents SDK to write realistic physical notes.

Q: How does the OpenAI Agents SDK handle Handwrytten card inventory?

The agent calls listcards to pull available stationery. It then selects the correct card ID to avoid sending out-of-stock items.

Q: Can I add gift cards or physical gifts to the mail?

Your agent queries listgifts to see what is available. It then attaches the gift ID when calling the card sending tool.

Send physical, realistic handwritten cards directly from your Python-based OpenAI Agents SDK workflows.

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Connect Handwrytten MCP to OpenAI Agents SDK

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

Ask AI about this MCP

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Claude

Perplexity

Send real mail using OpenAI Agents SDK

Stop sending spammy emails that end up in the junk folder. Your agent can now trigger physical, pen-on-paper letters using the `send_card` tool. It picks a realistic font with `list_fonts` and matches it with the right stationery from `list_cards` to make it look like a human wrote it. The OpenAI Agents SDK manages these actions with strict guardrails, making sure your agent doesn't trigger random mailings. You can run safety checks on the selected template from `list_templates` before the physical card goes out to production.

Smart budget and inventory tracking

Running out of credits mid-campaign kills your conversion rate. This MCP Server lets your agent query `get_credit_balance` before spinning up a new batch of physical letters. If the balance is too low, the agent can pause or alert your team. You can also inspect what gifts are in stock using `list_gifts` and attach them to specific orders. The SDK traces these tool calls directly on your OpenAI dashboard, so you see exactly how much each run costs.

Automated order tracking and address lookup

Your agent can use this MCP Server to pull records with `list_orders` and check delivery statuses via `get_order`. It pulls existing contact information straight from `list_address_book` to prevent shipping to bad addresses. This handoff keeps your database clean without manual data entry.

Setup guide

Set up Handwrytten 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 Handwrytten tools at runtime.
3

Create your Agent

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

Run the agent

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

Install openai-agents first. Then, use the MCPServerStreamableHttp constructor with your Vinkius endpoint, passing it to your agent's mcp_servers list.

Yes, your agent calls list_fonts to find a handwriting style and passes that ID to send_card. This allows the OpenAI Agents SDK to write realistic physical notes.

The agent calls list_cards to pull available stationery. It then selects the correct card ID to avoid sending out-of-stock items.

Your agent queries list_gifts to see what is available. It then attaches the gift ID when calling the card sending tool.

Vinkius runs this MCP Server in an isolated sandbox, meaning recipient addresses from list_address_book are never logged or stored. Your OpenAI Agents SDK connects directly to Handwrytten via a secure, single-token endpoint.

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