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Vinkius
Mastra AISDK
Mastra AI
Why use Calendarific Alternative MCP Server with Mastra AI?

Bring Holidays
to Mastra AI

Create your Vinkius account to connect Calendarific Alternative to Mastra AI and start using all 2 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.

MCP Inspector GDPR Free for Subscribers
Get HolidaysList Supported Countries
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
Calendarific Alternative

What is the Calendarific Alternative MCP Server?

Equip your AI agent with global temporal intelligence through the Calendarific MCP server. This integration provides real-time access to a comprehensive database of public, bank, and religious holidays for over 200 countries. Your agent can retrieve holiday lists for specific years, filter results by month or day, and explore the list of supported countries and languages. Whether you are scheduling international meetings, planning travels, or auditing regional availability, your agent acts as a dedicated global calendar coordinator through natural conversation.

What you can do

  • Holiday Retrieval — Fetch all public and bank holidays for a country and year.
  • Temporal Filtering — Narrow down holidays by specific months or days for precise scheduling.
  • Country Intelligence — List all supported countries and their ISO codes for global operations.
  • Metadata Access — View detailed holiday descriptions and types (religious, national, etc.).
  • Holiday Auditing — Summarize and compare holiday calendars between different countries for better coordination.

How it works

  1. Subscribe to this server
  2. Enter your Calendarific API Key (get it for free at calendarific.com)
  3. Start querying global holidays from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Project Managers — coordinate timelines across international teams by accounting for local holidays.
  • Travel Planners — identify bank holidays and public festivals in destination countries.
  • Operations Teams — automate calendar updates and regional availability checks.
  • E-commerce Managers — plan marketing campaigns around specific regional and religious holidays.

Built-in capabilities (2)

get_holidays

Get holidays for a country and year

list_supported_countries

List all supported countries

Why Mastra AI?

Mastra's agent abstraction provides a clean separation between LLM logic and Calendarific Alternative tool infrastructure. Connect 2 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.

  • Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Calendarific Alternative 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 Calendarific Alternative 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

M
See it in action

Calendarific Alternative in Mastra AI

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Enterprise Security

Why run Calendarific Alternative with Vinkius?

The Calendarific Alternative connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 2 tools are ready to work instantly without any complex setup.

You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

Calendarific Alternative
Fully ManagedNo server setup
Plug & PlayNo coding needed
SecurePrivacy protected
PrivateYour data is safe
Cost ControlBudget limits
Control1-click disconnect
Auto-UpdatesMaintenance free
High SpeedOptimized for AI
Reliable99.9% uptime
Your credentials and connection tokens are fully encrypted

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents
Connect securely in under 30 seconds
Complete visibility into every agent action
Optimize spending and track token ROI

Explore our live AI Agents Analytics dashboard to see it all working

This dashboard is included when you connect Calendarific Alternative using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.

Why Vinkius

Calendarific Alternative and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect Calendarific Alternative to Mastra AI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.

4,000+MCP Integrations
<40msResponse time
100%Fully managed
Raw MCP
Vinkius
Ready-to-use MCPsFind and configure each manually4,000+ MCPs ready to use
Connection SetupManual coding & server setup1-click instant connection
Server HostingYou host it yourself (needs 24/7 uptime)100% hosted & managed by Vinkius
Security & PrivacyStored in plaintext config filesBank-grade encrypted vault
Activity VisibilityBlind execution (no logs or tracking)Live dashboard with real-time logs
Cost ControlRunaway AI token spend riskAutomatic budget limits
Revoking AccessMust delete files or code to stop1-click disconnect button
The Vinkius Advantage

How Vinkius secures Calendarific Alternative for Mastra AI

Every request between Mastra AI and Calendarific Alternative is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

Can I see all holidays in Brazil for 2024?

Yes! Use the get_holidays tool with the country 'BR' and the year 2024. It will return a full list of public and bank holidays.

02

How do I find the ISO code for a country?

Use the get_countries tool. It returns a comprehensive list of all supported countries along with their 2-letter ISO codes (e.g., 'US', 'FR', 'JP').

03

Does this include religious holidays like Easter?

Yes. Calendarific tracks national, bank, and religious holidays. You can identify the type of holiday in the metadata returned by the tools.

04

How does Mastra AI connect to MCP servers?

Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.

05

Can Mastra agents use tools from multiple servers?

Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.

06

Does Mastra support workflow orchestration?

Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.

07

createMCPClient not exported

Install: npm install @mastra/mcp

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