openworkdays for Claude.ai

io.github.solvohq/openworkdays

Zero-signup business-day date-math API: add days, count days between dates, is-business-day.

client:Claude.ai transport:streamable-http tools:1

Install openworkdays in Claude.ai

Settings → Connectors → Add custom connector

https://openworkdays.vercel.app/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

businessdays

openworkdays in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

openworkdays MCP server