taiwan-calendar

taiwan-calendar is a skill for Claude Code from pigfoot/claude-code-hubs. It costs 52 tokens per session (2,234 once invoked), scanned A, original, MIT.

A tool for checking Taiwan's current holidays, working days, make-up workdays, and date calculations using government calendar data.

In plain words
What is it for?
Finding out whether a date is a workday or holiday, calculating deadlines in workdays, and planning schedules around Taiwan's administrative calendar.
Why use it?
It prevents mistakes caused by relying on memory for Taiwan's changing holiday schedule, weekdays, or replacement working days.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions Claude Code.

Part of the taiwan-calendar plugin — 1 skill shipped together

Good fit Finding out whether a date is a workday or holiday, calculating deadlines in workdays, and planning schedules around Taiwan's administrative calendar.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pigfoot/claude-code-hubs/taiwan-calendar
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.

Any agent
npx skills add pigfoot/claude-code-hubs --skill taiwan-calendar
Clone the repo
git clone --depth 1 https://github.com/pigfoot/claude-code-hubs

Made for: Claude Code.

Or install taiwan-calendar, the plugin that ships this one along with the rest of its 1 skill.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for taiwan-calendar

README.md
[![agentmods](https://agentmods.dev/badge/skills/pigfoot/claude-code-hubs/taiwan-calendar/github.svg)](https://agentmods.dev/skills/pigfoot/claude-code-hubs/taiwan-calendar)
Your own site
<a href="https://agentmods.dev/skills/pigfoot/claude-code-hubs/taiwan-calendar"><img src="https://agentmods.dev/badge/skills/pigfoot/claude-code-hubs/taiwan-calendar/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for taiwan-calendar

Your own site · 80×15
<a href="https://agentmods.dev/skills/pigfoot/claude-code-hubs/taiwan-calendar"><img src="https://agentmods.dev/badge/skills/pigfoot/claude-code-hubs/taiwan-calendar.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,234 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00052 $0.02234
Opus 5 $0.00026 $0.01117
Sonnet 5 $0.00010 $0.00447
Haiku 4.5 $0.00005 $0.00223

Measured 11d ago against content hash 351a6ab2b542, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

taiwan-calendar 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 11d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/taiwan_calendar.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/taiwan-calendar/skills/taiwan-calendar/SKILL.md · 320 lines

How it starts

The opening of the file, as written. The whole thing — 320 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Taiwan Calendar Skill

Provides accurate Taiwan working day and holiday information by querying government open data APIs in real-time.

Why This Skill Exists

Claude Code frequently makes errors with Taiwan date-related queries due to knowledge cutoff:

  • Gets weekdays wrong (e.g., saying Tuesday when it's Wednesday)
  • Doesn't know current year's national holidays
  • Unaware of make-up workdays (補班日)

This skill queries Taiwan's government administrative calendar API to provide accurate, up-to-date information.


When to Use

Trigger actively when user asks about:

  • Date queries: "今天是幾號?", "What's today's date?", "現在台灣幾點?"
  • Working day queries: "今天是工作日嗎?", "Is tomorrow a working day?", "下週一要上班嗎?"
  • Holiday queries: "1/1 是假日嗎?", "國慶日是哪天?", "下一個連假什麼時候?"
  • Date calculations: "5 個工作日後是哪天?", "這個月有幾個工作日?", "deadline 是五個工作天"
  • Make-up workdays: "有沒有補班?", "這週六要上班嗎?"

Also use for:

  • Schedule/timeline planning that requires working day awareness
  • Deadline calculations mentioning "工作日/工作天"
  • Any Taiwan calendar-related questions

Commands

All commands use: uv run --managed-python ${CLAUDE_SKILL_DIR}/scripts/taiwan_calendar.py <command>

Basic Queries

today - Today's date and status
uv run --managed-python ${CLAUDE_SKILL_DIR}/scripts/taiwan_calendar.py today

Output example:

2025-01-06 (週一) 是工作日。
check <date> - Check specific date
uv run --managed-python ${CLAUDE_SKILL_DIR}/scripts/taiwan_calendar.py check 2025-01-01
uv run --managed-python ${CLAUDE_SKILL_DIR}/scripts/taiwan_calendar.py check 01/01

Output example:

2025-01-01 (週三) 是非工作日 - 元旦。

Date formats supported:

  • YYYY-MM-DD (e.g., 2025-01-01)
  • YYYY/MM/DD (e.g., 2025/01/01)
  • MM/DD (assumes current year, e.g., 01/01)

Range Queries

range <start> <end> - Count working days in range
uv run --managed-python ${CLAUDE_SKILL_DIR}/scripts/taiwan_calendar.py range 2025-01-01 2025-01-31

Read the full file on GitHub · 320 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 11d ago First seen · 320 lines · 52 tokens per session scan A 351a6ab2b542

Subscribe to this mod's changes

taiwan-calendar is a skill published in the GitHub repository pigfoot/claude-code-hubs (5 stars, last pushed 1mo ago), licensed MIT. It adds 52 tokens to every session and 2,234 once invoked, about $0.0003 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 2026-08-31.

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