holidays — tilwhen date engine MCP Tool
holidays
(holidays) is one of 9 tools on the
tilwhen date engine
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call holidays from your client
- Claude Code tilwhen date engine holidays run in your project directory
- Claude Desktop tilwhen date engine holidays ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor tilwhen date engine holidays ~/.cursor/mcp.json
- VS Code tilwhen date engine holidays .vscode/mcp.json
- Zed tilwhen date engine holidays ~/.config/zed/settings.json
- Windsurf tilwhen date engine holidays ~/.codeium/windsurf/mcp_config.json
- Cline tilwhen date engine holidays ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI tilwhen date engine holidays ~/.gemini/settings.json
- Grok tilwhen date engine holidays .mcp.json (in your project root)
- ChatGPT tilwhen date engine holidays Settings → Connectors → Advanced → Developer mode
- Claude.ai tilwhen date engine holidays Settings → Connectors → Add custom connector
- LangChain tilwhen date engine holidays pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http tilwhen https://mcp.tilwhen.com/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.