How to Use the Holiday API MCP in Claude Code

Q: How do I list the supported languages in this MCP Server?

Run the listsupportedlanguages tool from your terminal. It outputs the full list of supported localizations directly to your console.

Claude Code automates your CI/CD date logic by piping Holiday API responses directly into your terminal scripts.

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Connect Holiday API MCP to Claude Code

Create your Vinkius account to connect Holiday API to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Holiday API with Claude Code

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Terminal-based scheduling with Claude Code

Run `get_next_workday` in your shell to determine when a CI/CD pipeline should trigger a deployment. It ensures you never ship code on a public holiday. You pipe the output directly into your deployment scripts. This keeps your production environment stable and predictable.

Validate business logic with this MCP Server

Use `get_workdays_count` to generate audit logs for your team's sprint velocity. The tool calculates the exact gap between commits while ignoring weekends. It provides the raw data needed for your terminal-based performance reports. You get precise numbers without manual calendar lookups.

Query holiday data via Claude Code

Fetch specific holiday lists using `get_holidays` before running your batch jobs. It returns the data as a clean JSON object for your CLI utilities. You can chain this with other tools to filter out non-operational days in your infrastructure automation. It keeps your logs clean and accurate.

Setup guide

Set up Holiday API MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see holiday-api-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Holiday API transactions." It will automatically discover and invoke the available Holiday API tools.

Terminal

claude mcp add --transport http holiday-api-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Holiday API MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "holiday-api-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Holiday API. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Holiday API MCP in Claude Code

Run the add command with your transport configuration. Once connected, you can call the tools directly from your CLI session.

Yes. It supports standard transport protocols, making it ready for automated environments and containerized workflows.

You can script the tool calls to verify dates before your scheduled tasks run. It helps prevent jobs from executing on bank holidays.

The server only retrieves public holiday information. It does not touch your system files, keys, or private environment data during tool execution.

Run the `list_supported_languages` tool from your terminal. It outputs the full list of supported localizations directly to your console.

Use it with your favorite AI tools

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