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halbotley

calmly

by halbotley · GitHub ↗ · v1.3.0
darwin ✓ Security Clean
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Install in OpenClaw
/install calmly
Description
Manage macOS Calendar events from the command line using EventKit. Use when creating, listing, or viewing calendar events on macOS without AppleScript dialog...
README (SKILL.md)

calmly

A calm CLI for macOS Calendar. Manage iCloud and local calendars without dialogs, prompts, or UI interruptions.

Why calmly?

  • AppleScript hangs — Calendar scripting often freezes waiting for permissions
  • ICS imports pop dialogs — Can't automate without user interaction
  • icalBuddy is read-only — Can't create events

calmly uses EventKit directly, so it works silently.

Installation

brew tap halbotley/tap
brew install calmly

First run prompts for Calendar access (System Settings → Privacy → Calendars). One-time only.

Commands

List calendars

calmly list

View upcoming events

calmly events Work           # Next 30 days
calmly events Family 14      # Next 14 days

Create all-day event

calmly add Work "Day Off" 2025-03-15

Create multi-day event

calmly add Family "Vacation" 2025-07-01 2025-07-14

Create timed event

calmly addtimed Work "Meeting" 2025-03-15 09:00 10:30
calmly addtimed Kids "Swim Practice" 2025-02-03 07:00 08:30

Batch Event Creation

For recurring events, loop in bash:

# Morning practice every Tuesday/Thursday for 6 weeks
for d in 2025-02-04 2025-02-06 2025-02-11 2025-02-13; do
  calmly addtimed Kids "🏊 AM Practice" "$d" 07:00 08:30
done

Date Verification

Before creating events, verify day/date alignment:

for d in 3 4 5 6 7; do date -j -f "%Y-%m-%d" "2025-02-0$d" "+%A %B %d"; done

Notes

  • Dates use YYYY-MM-DD format
  • Times use 24-hour HH:MM format
  • Calendar names are case-insensitive
  • Events sync to iCloud automatically
  • No delete command yet — delete via Calendar app or iCloud web
Usage Guidance
This skill appears to do what it says: a macOS CLI that manages Calendar events using EventKit and requires the normal Calendar privacy permission. The primary practical risk is installing from a third‑party Homebrew tap (halbotley/tap). Before installing: (1) review the tap/formula or its GitHub repo to confirm source code and maintainership, (2) prefer well-known sources or official upstream if available, (3) confirm the brew package contents (brew edit or inspect formula and binaries), and (4) be prepared to revoke Calendar access in System Settings if you no longer want the tool to access your calendars. If you cannot verify the tap, consider running in a controlled environment (VM) or using an alternative from a trusted source.
Capability Analysis
Type: OpenClaw Skill Name: calmly Version: 1.3.0 The skill bundle provides instructions for installing and using 'calmly', a command-line tool for managing macOS Calendar events. All instructions in SKILL.md, including the Homebrew installation steps (`brew tap halbotley/tap`, `brew install calmly`) and usage examples, are clear, directly related to the stated purpose, and do not contain any evidence of intentional malicious behavior such as data exfiltration, backdoor installation, or prompt injection attempts against the agent. While installing third-party software via Homebrew taps introduces a supply chain risk, this is a standard method for distributing CLI tools and does not indicate malicious intent within the skill bundle itself.
Capability Assessment
Purpose & Capability
Name/description match the runtime instructions: the skill requires a 'calmly' CLI binary and shows how to list and create Calendar events via EventKit. Requested resources (a brew formula to install the binary and macOS Calendar permission) are proportional to the stated purpose.
Instruction Scope
SKILL.md contains only install instructions (brew tap/install) and CLI usage examples. It explicitly notes the one-time macOS Calendar permission prompt. There are no instructions to read unrelated files, environment variables, or to transmit data to external endpoints.
Install Mechanism
Install uses a Homebrew formula from halbotley/tap (third‑party tap). Homebrew formulas are traceable, but third‑party taps carry more risk than official taps because they can deliver arbitrary code/binaries. This is not a red flag by itself, but you should inspect the tap/formula or source if you don't trust the maintainer.
Credentials
No environment variables, secrets, or config paths are requested. The skill does require calendar access (system privacy grant), which is appropriate for creating/listing events.
Persistence & Privilege
always is false and the skill does not request persistent system-wide privileges or modify other skills. The only persistent effect is that created events will be present in the user's calendars (expected behavior).
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install calmly
  3. After installation, invoke the skill by name or use /calmly
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.3.0
macOS Calendar CLI - iCloud event management
Metadata
Slug calmly
Version 1.3.0
License
All-time Installs 0
Active Installs 0
Total Versions 1
Frequently Asked Questions

What is calmly?

Manage macOS Calendar events from the command line using EventKit. Use when creating, listing, or viewing calendar events on macOS without AppleScript dialog... It is an AI Agent Skill for Claude Code / OpenClaw, with 675 downloads so far.

How do I install calmly?

Run "/install calmly" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is calmly free?

Yes, calmly is completely free (open-source). You can download, install and use it at no cost.

Which platforms does calmly support?

calmly is cross-platform and runs anywhere OpenClaw / Claude Code is available (darwin).

Who created calmly?

It is built and maintained by halbotley (@halbotley); the current version is v1.3.0.

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