seasonal-calendar

seasonal-calendar is a skill for Claude Code from asodevapp/skills. It costs 54 tokens per session (1,207 once invoked), scanned A, original, MIT.

A guide for planning app-store marketing around holidays, public events, and other seasonal moments. It covers timing, localized store content, screenshots, and in-app events.

In plain words
What is it for?
Use it to plan seasonal keywords, metadata, screenshots, promotional text, in-app events, custom product pages, and calendar-based localization work.
Why use it?
It helps schedule seasonal changes with a plan for when to publish and when to revert them. It also discourages using events that do not fit the app or market.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the asodev-skills plugin — 27 skills shipped together

Good fit Use it to plan seasonal keywords, metadata, screenshots, promotional text, in-app events, custom product pages, and calendar-based localization work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/asodevapp/skills/seasonal-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 asodevapp/skills --skill seasonal-calendar
Clone the repo
git clone --depth 1 https://github.com/asodevapp/skills

Made for: Claude Code.

Or install asodev-skills, the plugin that ships this one along with the rest of its 27 skills.

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 seasonal-calendar

README.md
[![agentmods](https://agentmods.dev/badge/skills/asodevapp/skills/seasonal-calendar/github.svg)](https://agentmods.dev/skills/asodevapp/skills/seasonal-calendar)
Your own site
<a href="https://agentmods.dev/skills/asodevapp/skills/seasonal-calendar"><img src="https://agentmods.dev/badge/skills/asodevapp/skills/seasonal-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 seasonal-calendar

Your own site · 80×15
<a href="https://agentmods.dev/skills/asodevapp/skills/seasonal-calendar"><img src="https://agentmods.dev/badge/skills/asodevapp/skills/seasonal-calendar.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,207 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 $0.00054 $0.01207
Opus 5 $0.00027 $0.00603
Sonnet 5 $0.00011 $0.00241
Haiku 4.5 $0.00005 $0.00121

Measured 11d ago against content hash 7833bfcaaca8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

seasonal-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.

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/seasonal-calendar/SKILL.md · 136 lines

How it starts

The opening of the file, as written. The whole thing — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Seasonal ASO Calendar

Use this for holiday-driven ASO planning, seasonal keyword opportunities, campaign timing, metadata changes, screenshot theming, In-App Events, and revert plans.

Source

ASO.dev publishes an App Store marketing calendar with public holidays and seasonal planning links:

  • https://aso.dev/blog/calendar/
  • Google Calendar subscription is available from that page.
  • Apple Calendar / Outlook subscription is also available from that page.

This calendar is a planning source, not MCP and not the ASO.dev product API.

Workflow

  1. Identify target countries, locales, app category, and planning horizon.
  2. Use the ASO.dev calendar to find relevant public holidays, cultural moments, and seasonal windows.
  3. Pick only moments that fit the app and market. Do not force every holiday into every app.
  4. For each moment, decide whether the app has a real seasonal use case, content angle, or user intent.
  5. Research or request keyword data before changing indexed metadata.
  6. Turn each relevant moment into one or more actions:
    • In-App Event
    • CPP/PPO variant
    • screenshot refresh
    • promotional text or What's New
    • keyword tracking and metadata test
    • localization QA
  7. Add lead time:
    • 4-6 weeks for creative planning
    • 2-3 weeks for localization and assets
    • at least several days before App Review-sensitive submissions
  8. Use in-app-events, cpp-ppo-pages, screenshot-brief, metadata-editor, keyword-coverage, or localization-cross-localization for execution.

Seasonal ASO principles

  • Seasonal rankings are competitive and time-sensitive.
  • Plan indexed metadata changes before the event peak; do not wait until the day of the event.
  • Revert seasonal metadata after the peak unless the seasonal terms continue to perform.
  • Promotional text is the safest field for fast seasonal messaging because it does not require a new app version.
  • Never sacrifice a high-performing evergreen keyword for a speculative seasonal term.

Read the full file on GitHub · 136 lines

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 · 136 lines · 54 tokens per session scan A 7833bfcaaca8

Subscribe to this mod's changes

seasonal-calendar is a skill published in the GitHub repository asodevapp/skills (5 stars, last pushed 4mo ago), licensed MIT. It adds 54 tokens to every session and 1,207 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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