Is an API Key required for Nager.Date?

No. Nager.Date is a free and open service. This server works out of the box without any static credentials required.

Can the agent check if today is a holiday?

Yes. Use the `is_holiday_today` tool providing the 2-letter country code. Your agent will return a boolean indicating if it is a public holiday today instantly.

Does it support local names for holidays?

Yes. The holiday records retrieved by your agent include both the English name and the local name used in that specific country.

Nager.Date MCP Server for OpenAI Agents SDK 6 tools — connect in under 2 minutes

Name: Nager.Date
Availability: InStock
Author: Vinkius

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

Built by Vinkius GDPR 6 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Nager.Date 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="Nager.Date Assistant",
            instructions=(
                "You help users interact with Nager.Date. "
                "You have access to 6 tools."
            ),
            mcp_servers=[mcp_server],
        )

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

asyncio.run(main())

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Nager.Date MCP Server

Empower your AI agent to orchestrate your entire public holiday and global event research workflow with Nager.Date, the open source API for world holidays. By connecting Nager.Date to your agent, you transform complex calendar auditing into a natural conversation. Your agent can instantly retrieve public holidays for over 100 countries, audit upcoming events worldwide, and identify regional variations without you ever touching a manual calendar. Whether you are planning international logistics or managing global product launches, your agent acts as a real-time event consultant, ensuring your schedules are always accurate and well-informed.

The OpenAI Agents SDK auto-discovers all 6 tools from Nager.Date through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Nager.Date, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Holiday Auditing — Retrieve all public holidays for any specific country and year to maintain a clear view of global event cycles.
Real-time Status — Check if today is a public holiday in any country to assist in immediate operational decision-making.
Event Discovery — Retrieve the next occurring public holidays worldwide to understand global temporal patterns instantly.
Regional Intelligence — Query country-specific details, including common names and geographic regions, to assist in localization.
Global Discovery — List all available countries in the Nager.Date catalog to identify regional event markers.

The Nager.Date MCP Server exposes 6 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 Nager.Date to OpenAI Agents SDK via MCP

Follow these steps to integrate the Nager.Date 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 6 tools from Nager.Date

Why Use OpenAI Agents SDK with the Nager.Date MCP Server

OpenAI Agents SDK provides unique advantages when paired with Nager.Date 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

Nager.Date + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Nager.Date MCP Server delivers measurable value.

Automated workflows: build agents that query Nager.Date, process the data, and trigger follow-up actions autonomously

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

Data enrichment pipelines: stream data through Nager.Date tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Nager.Date to resolve tickets, look up records, and update statuses without human intervention

Nager.Date MCP Tools for OpenAI Agents SDK (6)

These 6 tools become available when you connect Nager.Date to OpenAI Agents SDK via MCP:

get_country_details

Get additional details for a specific country

get_next_holidays

Get the next public holidays for a specific country

get_next_holidays_worldwide

Get the next public holidays occurring worldwide

get_public_holidays

Get all public holidays for a country and year

is_holiday_today

Check if today is a public holiday in a country

list_available_countries

Date. List all countries supported by Nager.Date

Example Prompts for Nager.Date in OpenAI Agents SDK

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

"What are the public holidays in 'US' for 2024 using Nager.Date?"

"Is today a public holiday in Brazil?"

"Show the next 5 public holidays occurring worldwide."

Troubleshooting Nager.Date MCP Server with OpenAI Agents SDK

Common issues when connecting Nager.Date 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.

Nager.Date + OpenAI Agents SDK FAQ

Common questions about integrating Nager.Date 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.