calcurse is a text-based calendar and scheduling application for the command line. It helps keep track of events, appointments, and everyday tasks with a curses-based TUI, configurable notifications, and CalDAV synchronization support.
Scanned 6/8/2026
Install via CLI
openskills install agentskillexchange/skills---
name: "calcurse Text-Based Calendar and Scheduling Application"
slug: "calcurse-text-calendar-scheduling"
description: "calcurse is a text-based calendar and scheduling application for the command line. It helps keep track of events, appointments, and everyday tasks with a curses-based TUI, configurable notifications, and CalDAV synchronization support."
github_stars: 1235
verification: "security_reviewed"
source: "https://github.com/lfos/calcurse"
category: "Calendar, Email & Productivity"
framework: "Custom Agents"
tool_ecosystem:
github_repo: "lfos/calcurse"
github_stars: 1235
---
# calcurse Text-Based Calendar and Scheduling Application
calcurse is a text-based calendar and scheduling application for the command line. It helps keep track of events, appointments, and everyday tasks with a curses-based TUI, configurable notifications, and CalDAV synchronization support.
## Installation
Use the upstream install or setup path that matches your environment:
- $ make
- $ make install
Requirements and caveats from upstream:
- [](https://github.com/lfos/calcurse/actions/workflows/lint_python.yml)
Basic usage or getting-started notes:
- calcurse is available on a number of Linux distributions:
- [](https://repology.org/project/calcurse/versions)
- ## Building from Source
- Source: https://github.com/lfos/calcurse
- Extracted from upstream docs: https://raw.githubusercontent.com/lfos/calcurse/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/calcurse-text-calendar-scheduling/)
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Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested.