Nager.Date MCP Server for Mastra AI 6 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Nager.Date through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
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Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"nagerdate": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Nager.Date Agent",
instructions:
"You help users interact with Nager.Date " +
"using 6 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Nager.Date?"
);
console.log(result.text);
}
main();
* 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.
Mastra's agent abstraction provides a clean separation between LLM logic and Nager.Date tool infrastructure. Connect 6 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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 Mastra AI 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 Mastra AI via MCP
Follow these steps to integrate the Nager.Date MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 6 tools from Nager.Date via MCP
Why Use Mastra AI with the Nager.Date MCP Server
Mastra AI provides unique advantages when paired with Nager.Date through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Nager.Date without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Nager.Date tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Nager.Date + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Nager.Date MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Nager.Date, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Nager.Date as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Nager.Date on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Nager.Date tools alongside other MCP servers
Nager.Date MCP Tools for Mastra AI (6)
These 6 tools become available when you connect Nager.Date to Mastra AI 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 Mastra AI
Ready-to-use prompts you can give your Mastra AI 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 Mastra AI
Common issues when connecting Nager.Date to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpNager.Date + Mastra AI FAQ
Common questions about integrating Nager.Date MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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Connect Nager.Date to Mastra AI
Get your token, paste the configuration, and start using 6 tools in under 2 minutes. No API key management needed.