c-timer

A macOS timer and alarm toolkit that runs countdowns in the background and sends desktop notifications. It also supports the Pomodoro method, which alternates focused work with scheduled breaks.

In plain words
What is it for?
It is for countdowns, break reminders, Pomodoro work sessions, custom notification messages, notification sounds, and optional spoken alerts.
Why use it?
It helps you remember time-based tasks without keeping a timer window open or tracking the clock yourself.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/daxaur/openpaw/c-timer
Any agent
npx skills add daxaur/openpaw --skill c-timer
Clone the repo
git clone --depth 1 https://github.com/daxaur/openpaw

Made for: Claude Code, Codex.

Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 536 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00019 $0.00536
Opus 5 $0.00010 $0.00268
Sonnet 5 $0.00004 $0.00107
Haiku 4.5 $0.00002 $0.00054

Measured 2d ago against content hash 9a63239ffbac, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

c-timer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/c-timer/SKILL.md · 60 lines

What it actually says

Timer — Countdowns & Pomodoro

Set timers and get notified via native macOS notifications. Uses terminal-notifier and background sleep.

Commands

# Simple timer (runs in background)
(sleep 300 && terminal-notifier -title "Timer" -message "5 minutes is up!" -sound default) &

# Timer with custom message
(sleep 1800 && terminal-notifier -title "Timer" -message "Break time!" -sound Glass) &

# Pomodoro (25 min work, 5 min break)
(sleep 1500 && terminal-notifier -title "Pomodoro" -message "Time for a break!" -sound Purr) &

# Quick reminder (with say for audio)
(sleep 60 && say "One minute timer done" && terminal-notifier -title "Timer" -message "1 minute" -sound default) &

Time Conversions

Duration Seconds
1 minute 60
5 minutes 300
10 minutes 600
15 minutes 900
25 minutes 1500
30 minutes 1800
1 hour 3600

Notification Sounds

Available: default, Basso, Blow, Bottle, Frog, Funk, Glass, Hero, Morse, Ping, Pop, Purr, Sosumi, Submarine, Tink

Pomodoro Workflow

When the user asks for pomodoro:

  1. Start 25-minute work timer
  2. Notify when work session ends
  3. Start 5-minute break timer
  4. Notify when break ends
  5. Repeat (ask user after 4 cycles if they want a 15-min long break)

Guidelines

  • Always confirm the timer was set with the exact duration
  • Use & to run in background so the terminal stays responsive
  • Default sound: default for timers, Purr for pomodoro
  • If terminal-notifier is not installed, fall back to say command
  • For "remind me in X minutes", treat as a timer
  • Convert natural language: "half hour" = 1800s, "quarter hour" = 900s
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 60 lines · 19 tokens per session scan A 9a63239ffbac

Subscribe to this mod's changes

c-timer is a skill published in the GitHub repository daxaur/openpaw (166 stars, last pushed 3mo ago), licensed MIT. It adds 19 tokens to every session and 536 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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