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 CrewAI 6 tools — connect in under 2 minutes

Name: Nager.Date
Availability: InStock
Author: Vinkius

docs.crewai.com/mcp/overview

Built by Vinkius GDPR 6 Tools Framework

Connect your CrewAI agents to Nager.Date through Vinkius, pass the Edge URL in the `mcps` parameter and every Nager.Date tool is auto-discovered at runtime. No credentials to manage, no infrastructure to maintain.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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python

from crewai import Agent, Task, Crew

agent = Agent(
    role="Nager.Date Specialist",
    goal="Help users interact with Nager.Date effectively",
    backstory=(
        "You are an expert at leveraging Nager.Date tools "
        "for automation and data analysis."
    ),
    # Your Vinkius token. get it at cloud.vinkius.com
    mcps=["https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"],
)

task = Task(
    description=(
        "Explore all available tools in Nager.Date "
        "and summarize their capabilities."
    ),
    agent=agent,
    expected_output=(
        "A detailed summary of 6 available tools "
        "and what they can do."
    ),
)

crew = Crew(agents=[agent], tasks=[task])
result = crew.kickoff()
print(result)

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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 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.

When paired with CrewAI, Nager.Date becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Nager.Date tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.

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 CrewAI 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 CrewAI via MCP

Follow these steps to integrate the Nager.Date MCP Server with CrewAI.

Install CrewAI

Run pip install crewai

Replace the token

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

Customize the agent

Adjust the role, goal, and backstory to fit your use case

Run the crew

Run python crew.py. CrewAI auto-discovers 6 tools from Nager.Date

Why Use CrewAI with the Nager.Date MCP Server

CrewAI Multi-Agent Orchestration Framework provides unique advantages when paired with Nager.Date through the Model Context Protocol.

Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools

CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the `mcps` parameter and agents auto-discover every available tool at runtime

Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls

Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports

Nager.Date + CrewAI Use Cases

Practical scenarios where CrewAI combined with the Nager.Date MCP Server delivers measurable value.

Automated multi-step research: a reconnaissance agent queries Nager.Date for raw data, then a second analyst agent cross-references findings and flags anomalies. all without human handoff

Scheduled intelligence reports: set up a crew that periodically queries Nager.Date, analyzes trends over time, and generates executive briefings in markdown or PDF format

Multi-source enrichment pipelines: chain Nager.Date tools with other MCP servers in the same crew, letting agents correlate data across multiple providers in a single workflow

Compliance and audit automation: a compliance agent queries Nager.Date against predefined policy rules, generates deviation reports, and routes findings to the appropriate team

Nager.Date MCP Tools for CrewAI (6)

These 6 tools become available when you connect Nager.Date to CrewAI 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 CrewAI

Ready-to-use prompts you can give your CrewAI 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 CrewAI

Common issues when connecting Nager.Date to CrewAI through the Vinkius, and how to resolve them.

MCP tools not discovered

Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.

Agent not using tools

Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".

Timeout errors

CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.

Rate limiting or 429 errors

Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.

Nager.Date + CrewAI FAQ

Common questions about integrating Nager.Date MCP Server with CrewAI.

How does CrewAI discover and connect to MCP tools?

CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.

Can different agents in the same crew use different MCP servers?

Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.

What happens when an MCP tool call fails during a crew run?

CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.

Can CrewAI agents call multiple MCP tools in parallel?

CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.

Can I run CrewAI crews on a schedule (cron)?

Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.