Holiday API MCP Server for Vercel AI SDK 5 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect Holiday API through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using Holiday API, list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
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.
The Vercel AI SDK gives every Holiday API tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 5 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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 Vercel AI 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 Holiday API to Vercel AI SDK via MCP
Follow these steps to integrate the Holiday API MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 5 tools from Holiday API and passes them to the LLM
Why Use Vercel AI SDK with the Holiday API MCP Server
Vercel AI SDK provides unique advantages when paired with Holiday API through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same Holiday API integration everywhere
Built-in streaming UI primitives let you display Holiday API tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
Holiday API + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the Holiday API MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query Holiday API in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate Holiday API tools and return structured JSON responses to any frontend
Chatbots with tool use: embed Holiday API capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with Holiday API through natural language queries
Holiday API MCP Tools for Vercel AI SDK (5)
These 5 tools become available when you connect Holiday API to Vercel AI SDK 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 Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK 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 Vercel AI SDK
Common issues when connecting Holiday API to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpHoliday API + Vercel AI SDK FAQ
Common questions about integrating Holiday API MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.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.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
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 Vercel AI SDK
Get your token, paste the configuration, and start using 5 tools in under 2 minutes. No API key management needed.