reminder

reminder is a skill for Claude Code, Codex from zhinjs/zhin. It costs 85 tokens per session (455 once invoked), scanned A, original, MIT.

A personal reminder tool for the current chat. It can create, list, and cancel reminders that send a message back to this conversation.

In plain words
What is it for?
Use it for requests such as reminding you in 10 minutes, checking your reminders, or cancelling one you no longer need.
Why use it?
It removes the need to remember a future task or keep another reminder app open, while making clear that it is not a job scheduler or agent wake-up system.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for requests such as reminding you in 10 minutes, checking your reminders, or cancelling one you no longer need.

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

Made for: Claude Code, Codex.

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 reminder

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/zhinjs/zhin/reminder"><img src="https://agentmods.dev/badge/skills/zhinjs/zhin/reminder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 85 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 455 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 $0.00085 $0.00455
Opus 5.5 $0.00034 $0.00182
Sonnet 5.5 $0.00017 $0.00091
Haiku 4.5 $0.00009 $0.00046

Measured 3d ago against content hash 0ede0bb5f792, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

reminder 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 3d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (tools/reminder_cancel/index.ts, tools/reminder_create/index.ts, tools/reminder_list/index.ts), 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/utils/reminder/skills/reminder/SKILL.md · 46 lines

What it actually says

个人提醒

何时使用本技能

  • 用户要「X 分钟后提醒我…」「每天每隔 N 秒…」(消息回到当前会话)
  • 查看或取消自己在当前会话的提醒

何时改用 schedule_add

  • 需要到点再次唤醒 Agent(执行 prompt、跑工具),而不是只发一条提醒文案
  • 需要公历/农历 cron、工作日、节假日等日历语义(见原生 schedule_* 工具)

工作流

  1. 确认提醒文案与时间。绝对时间必须带 Z 或 ±hh:mm(例如 2026-10-14T09:00:00+08:00)。
  2. 一次性:after(10m / 600)或 at;周期:every_seconds(≥ 60)。
  3. reminder_create / reminder_cancel 需要用户批准;创建前复述内容与时间。
  4. 用 reminder_list 核对;取消时带上 id。

注意

  • 提醒绑定发送者 + 精确会话(含 endpoint / 线程);别人看不见、取消不了你的任务。
  • 本插件没有 5 段 cron;周期只有固定间隔秒数。
Files

What ships with it

3 files 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. 3d ago First seen · 46 lines · 85 tokens per session scan A 0ede0bb5f792

Subscribe to this mod's changes

reminder is a skill published in the GitHub repository zhinjs/zhin (136 stars, last pushed today), licensed MIT. It adds 85 tokens to every session and 455 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-10-14.

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