Calendarific MCP Server for Claude Code 6 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add Calendarific as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.
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Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install Calendarific and 2,500+ MCP Servers from a single visual interface.
# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add calendarific --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* 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 Calendarific MCP Server
Connect your Calendarific account to any AI agent and orchestrate your global scheduling, vacation planning, and local observability through natural conversation.
Claude Code registers Calendarific as an MCP server in a single terminal command. Once connected, Claude Code discovers all 6 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Calendarific data drives decisions without human intervention.
What you can do
- Holiday Oversight — List all public, religious, and local holidays for a specific country and year.
- Regional Observability — Filter holidays by state or region to ensure your planning accounts for local variations.
- Categorized Discovery — List holidays by type, such as National, Observance, or Religious holidays.
- Country & Language Directory — Access the list of 230+ supported countries and their respective ISO codes.
- Date-Specific Queries — Retrieve holidays for a specific month or day to verify work availability.
- Reference Data — Get detailed metadata for each holiday, including descriptions and observance regions.
The Calendarific MCP Server exposes 6 tools through the Vinkius. Connect it to Claude Code 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 Calendarific to Claude Code via MCP
Follow these steps to integrate the Calendarific MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using Calendarific
Ask Claude: "Using Calendarific, show me...". 6 tools are ready
Why Use Claude Code with the Calendarific MCP Server
Claude Code provides unique advantages when paired with Calendarific through the Model Context Protocol.
Single-command setup: `claude mcp add` registers the server instantly. no config files to edit or applications to restart
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
Claude Code runs headlessly, enabling unattended batch processing using Calendarific tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Calendarific + Claude Code Use Cases
Practical scenarios where Claude Code combined with the Calendarific MCP Server delivers measurable value.
CI/CD integration: embed Calendarific tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query Calendarific nightly and generate reports without human intervention
Shell scripting: pipe Calendarific outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query Calendarific status endpoints and alert on anomalies
Calendarific MCP Tools for Claude Code (6)
These 6 tools become available when you connect Calendarific to Claude Code via MCP:
get_account_info
Check the status of the integration
list_holidays
List holidays for a specific country and year
list_holidays_by_location
List holidays for a specific state or region
list_holidays_by_type
List holidays filtered by type (e.g. national, religious)
list_supported_countries
List all supported countries and their ISO codes
list_supported_languages
List all supported languages
Example Prompts for Calendarific in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with Calendarific immediately.
"List all public holidays in Brazil for 2024."
"Are there any holidays in New York (US-NY) on December 25th?"
"Show me the religious holidays in Italy for 2024."
Troubleshooting Calendarific MCP Server with Claude Code
Common issues when connecting Calendarific to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
Calendarific + Claude Code FAQ
Common questions about integrating Calendarific MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Connect Calendarific with your favorite client
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Microsoft's framework for multi-agent collaborative conversations.
Connect Calendarific to Claude Code
Get your token, paste the configuration, and start using 6 tools in under 2 minutes. No API key management needed.