How to Use the Nager.Date MCP in Claude Code

Q: How do I install the Nager.Date tool in Claude Code?

Run claude mcp add --transport http nagerdate -- in your terminal. Make sure all flags go before the server name. Use claude mcp list to verify the installation.

Pipe global holiday data directly into your terminal workflows and CI/CD pipelines using Claude Code.

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Connect Nager.Date MCP to Claude Code

Create your Vinkius account to connect Nager.Date 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 Nager.Date with Claude Code

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Command-line holiday audits via MCP Server

Keep your deployment pipelines safe from silent failures on bank holidays. Claude Code runs in your terminal, querying `is_holiday_today` to verify if target deployment regions are active before triggering production rollouts. You can easily pipe the output of this MCP Server into your bash scripts or GitHub Actions. If a holiday is detected, your terminal agent can pause the workflow or alert the on-call engineer via Slack, preventing unattended deployments.

Global team availability checks from the shell

Stop searching online calendars before planning maintenance windows. Run a quick terminal command and let Claude Code call `get_next_holidays_worldwide` to check which global teams are offline this week. Your terminal agent reads the output, filters it by your active server regions using `get_country_details`, and outputs a clean Markdown table directly to your terminal. It's fast, keyboard-driven, and keeps you out of the browser.

Bulk calendar generation via terminal scripts

Generate custom operational calendars without writing complex parser scripts. Claude Code queries `get_public_holidays` for multiple countries and years, formatting the JSON payload directly into your terminal stdout. You can command your agent to cross-reference this data with `list_available_countries`, generating localized database seeds or configuration files for your backend services in seconds.

Setup guide

Set up Nager.Date 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 nagerdate-mcp with a green status indicator.
3

Start using tools

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

Terminal

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

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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 Nager.Date 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": {
    "nagerdate-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 Nager.Date. 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 Nager.Date MCP in Claude Code

Run `claude mcp add --transport http nagerdate -- ` in your terminal. Make sure all flags go before the server name. Use `claude mcp list` to verify the installation.

Yes. Claude Code is designed for terminal environments. You can run the CLI agent inside GitHub Actions or GitLab CI, allowing your MCP client to call `is_holiday_today` dynamically during your build steps.

The CLI agent handles API rate limits by reading the tool error responses. If a rate limit is hit, you can instruct it to back off, retry, or fall back to cached holiday data from a previous run.

Absolutely. You can ask Claude Code to output the result of `get_public_holidays` as raw JSON, which you can then pipe into utilities like `jq` or redirect straight into a configuration file.

No. The integration only processes country codes and calendar years. All tool executions are isolated within Vinkius's secure, zero-trust V8 sandbox, ensuring your terminal environment and local files remain completely private.

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