Calendar

FreeMaintained

Universal calendar management for AI coding agents - CLI + MCP server + interactive TUI

by andreihasna2

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Universal calendar management for AI coding agents - CLI + MCP server + interactive TUI

Install Calendar in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE

unyly install calendar

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add calendar --env AGENT_ID="" --env AGENT_JSON="" --env CALENDAR_SERVE_API_KEY="" --env CAL_ID="" --env CAL_JSON="" --env HASNA_CALENDAR_STORAGE_MODE="" --env MCP_HTTP="" --env ORG_ID="" --env ORG_JSON="" -- npx -y @hasna/calendar

Step-by-step: how to install Calendar

Install Calendar in Claude Desktop Install Calendar in Claude Code Install Calendar in Cursor Install Calendar in VS Code

FAQ

Is Calendar MCP free?

Yes, Calendar MCP is free — one-click install via Unyly at no cost.

Does Calendar need an API key?

Yes, it requires environment variables: AGENT_ID, AGENT_JSON, CALENDAR_SERVE_API_KEY, CAL_ID, CAL_JSON, HASNA_CALENDAR_STORAGE_MODE, MCP_HTTP, ORG_ID, ORG_JSON. Unyly injects them into the config during install.

Is Calendar hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Calendar in Claude Desktop, Claude Code or Cursor?

Open Calendar on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

Changes

Versions and requested access over time.

New version published2026-08-23
New version published2026-08-16

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