Can I see all holidays in Brazil for 2024?

Yes! Use the `get_holidays` tool with the country 'BR' and the year 2024. It will return a full list of public and bank holidays.

How do I find the ISO code for a country?

Use the `get_countries` tool. It returns a comprehensive list of all supported countries along with their 2-letter ISO codes (e.g., 'US', 'FR', 'JP').

Does this include religious holidays like Easter?

Yes. Calendarific tracks national, bank, and religious holidays. You can identify the type of holiday in the metadata returned by the tools.

Calendarific Alternative MCP Server for OpenAI Agents SDK 2 tools — connect in under 2 minutes

Name: Calendarific Alternative
Availability: InStock
Author: Vinkius

openai.github.io/openai-agents-python/mcp

Built by Vinkius GDPR 2 Tools SDK

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

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

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="Calendarific Alternative Assistant",
            instructions=(
                "You help users interact with Calendarific Alternative. "
                "You have access to 2 tools."
            ),
            mcp_servers=[mcp_server],
        )

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

asyncio.run(main())

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Calendarific Alternative MCP Server

Equip your AI agent with global temporal intelligence through the Calendarific MCP server. This integration provides real-time access to a comprehensive database of public, bank, and religious holidays for over 200 countries. Your agent can retrieve holiday lists for specific years, filter results by month or day, and explore the list of supported countries and languages. Whether you are scheduling international meetings, planning travels, or auditing regional availability, your agent acts as a dedicated global calendar coordinator through natural conversation.

The OpenAI Agents SDK auto-discovers all 2 tools from Calendarific Alternative through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Calendarific Alternative, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Holiday Retrieval — Fetch all public and bank holidays for a country and year.
Temporal Filtering — Narrow down holidays by specific months or days for precise scheduling.
Country Intelligence — List all supported countries and their ISO codes for global operations.
Metadata Access — View detailed holiday descriptions and types (religious, national, etc.).
Holiday Auditing — Summarize and compare holiday calendars between different countries for better coordination.

The Calendarific Alternative MCP Server exposes 2 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.

How to Connect Calendarific Alternative to OpenAI Agents SDK via MCP

Follow these steps to integrate the Calendarific Alternative MCP Server with OpenAI Agents SDK.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

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

Run the script

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

Explore tools

The agent will automatically discover 2 tools from Calendarific Alternative

Why Use OpenAI Agents SDK with the Calendarific Alternative MCP Server

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

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

Calendarific Alternative + OpenAI Agents SDK Use Cases

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

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

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

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

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

Calendarific Alternative MCP Tools for OpenAI Agents SDK (2)

These 2 tools become available when you connect Calendarific Alternative to OpenAI Agents SDK via MCP:

get_holidays

Get holidays for a country and year

list_supported_countries

List all supported countries

Example Prompts for Calendarific Alternative in OpenAI Agents SDK

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

"What are the bank holidays in the UK for May 2024?"

"Check if there are any holidays in Japan on November 3rd."

"List all countries supported by Calendarific."

Troubleshooting Calendarific Alternative MCP Server with OpenAI Agents SDK

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

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.

Calendarific Alternative + OpenAI Agents SDK FAQ

Common questions about integrating Calendarific Alternative MCP Server with OpenAI Agents SDK.

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.