Official MCP RegistryHosted serveropenworkdays.vercel.app
OpenWorkdays
Business-day date arithmetic API for adding days, counting workdays, and checking business day status.
Connect to Claude Code
Copyclaude mcp add --transport http openworkdays https://openworkdays.vercel.app/api/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://openworkdays.vercel.app/api/mcpstreamable-http
Published in the official MCP registry as “OpenWorkdays”. Verified through the vendor namespace.