WorkdayAPI

Overview

WorkdayAPI is a Model Context Protocol server that handles business-day and public-holiday calculations across 29 countries. Any MCP-compatible AI assistant can call its tools directly to add business days, calculate days between dates, and retrieve holiday information, with the model deciding when to invoke them during conversations or agent runs.

It runs as a remote hosted service at https://workdayapi.mike-tusa.workers.dev/mcp, requiring only an API Key for authentication. The latest release is v0.2.0. No local installation is needed — configure your client to connect to the endpoint and you're ready to use it.

WorkdayAPI sits in the Development category on mcp.site and integrates with any MCP client including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed and others across the ecosystem. If you maintain this server, claim this listing to verify ownership, earn the Verified badge, and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: WorkdayAPI
URL:  https://workdayapi.mike-tusa.workers.dev/mcp