Holiday API MCP Server for Mastra AI 5 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Holiday API through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
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: {
"holiday-api": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Holiday API Agent",
instructions:
"You help users interact with Holiday API " +
"using 5 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Holiday API?"
);
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 Holiday API MCP Server
Empower your AI agent to orchestrate your entire global event and holiday research workflow with Holiday API, the reliable source for holiday data. By connecting Holiday API to your agent, you transform complex calendar auditing into a natural conversation. Your agent can instantly retrieve public holidays for any country, audit workday counts, and identify supported languages without you ever touching a manual calendar. Whether you are planning international logistics or managing global payroll, your agent acts as a real-time event consultant, ensuring your schedules are always accurate and compliant.
Mastra's agent abstraction provides a clean separation between LLM logic and Holiday API tool infrastructure. Connect 5 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 public and federal holidays for over 200 countries and retrieve detailed metadata, including names and dates.
- Workday Oversight — Calculate the next workday or count workdays between two dates to maintain a clear view of operational periods.
- Global Discovery — List all supported countries and languages in the Holiday API catalog to identify regional event markers.
- Temporal Intelligence — Query holidays for specific years to audit past and future global events instantly.
- Usage Monitoring — Get real-time API usage and status metadata to maintain strict control over your research volume.
The Holiday API MCP Server exposes 5 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 Holiday API to Mastra AI via MCP
Follow these steps to integrate the Holiday API 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 5 tools from Holiday API via MCP
Why Use Mastra AI with the Holiday API MCP Server
Mastra AI provides unique advantages when paired with Holiday API through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Holiday API 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 Holiday API 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
Holiday API + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Holiday API MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Holiday API, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Holiday API as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Holiday API on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Holiday API tools alongside other MCP servers
Holiday API MCP Tools for Mastra AI (5)
These 5 tools become available when you connect Holiday API to Mastra AI via MCP:
get_holidays
Get public holidays for a country and year
get_next_workday
Get the date after a number of workdays from a start date
get_workdays_count
Count the number of workdays between two dates
list_supported_countries
List all countries supported by Holiday API
list_supported_languages
List all languages supported by Holiday API
Example Prompts for Holiday API in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Holiday API immediately.
"What are the public holidays in 'US' for 2024 using Holiday API?"
"Calculate the next 10 workdays from 2024-01-01 in Brazil."
"List all countries supported by Holiday API."
Troubleshooting Holiday API MCP Server with Mastra AI
Common issues when connecting Holiday API to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpHoliday API + Mastra AI FAQ
Common questions about integrating Holiday API 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?
Connect Holiday API with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
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Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Holiday API to Mastra AI
Get your token, paste the configuration, and start using 5 tools in under 2 minutes. No API key management needed.