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.
npx agentmods add skills/peiiii/nextclaw/cronnpx skills add Peiiii/nextclaw --skill crongit clone --depth 1 https://github.com/Peiiii/nextclawWrote 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.
[](https://agentmods.dev/skills/peiiii/nextclaw/cron)<a href="https://agentmods.dev/skills/peiiii/nextclaw/cron"><img src="https://agentmods.dev/badge/skills/peiiii/nextclaw/cron.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00008 | $0.00942 |
| Opus 5 | $0.00004 | $0.00471 |
| Sonnet 5 | $0.00002 | $0.00188 |
| Haiku 4.5 | $0.00001 | $0.00094 |
Grade A, and why
cron 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cron
Use the cron tool to schedule reminders or recurring tasks.
cron is the only built-in automation scheduler. Do not refer users to Heartbeat or HEARTBEAT.md.
Before creating a job, decide whether the user wants a one-time action or a recurring action:
- Use
atfor one-time tasks such as "in 5 minutes", "at 6pm today", "tomorrow morning", or "only once". - Use
everyonly for true intervals that should repeat forever. - Use
crononly for repeating calendar schedules such as "every weekday at 9am".
When the user gives a relative time such as "in 1 minute", "5 minutes later", or "1分钟后", do not guess the base time.
- First check the current local time using an available tool, such as
execwithdate. - If the prompt already includes a current local time hint, you may use that hint instead of calling another tool.
- Then convert the relative time into an exact ISO datetime with timezone and pass that absolute value to
at.
When filling message, write the runtime instruction for the agent, not just the final outbound text fragment.
- Good:
At the scheduled time, send a WeChat message to the current chat saying: "会议还有 5 分钟开始。" - Bad:
会议还有 5 分钟开始。
If the user wants an exact message sent through WeChat or another channel, the instruction should explicitly say to send that exact text.
If the user wants the scheduled task to continue an existing conversation or explicitly provides a session id, pass it as sessionId. Omit sessionId when the task should use its own job-owned cron:<jobId> session.
If the user asks for a periodic follow-up, recurring check, or “continue this later” workflow, prefer binding the cron job to the existing sessionId instead of inventing a second automation mechanism.
If the user wants a periodic review of a file, workflow, inbox, or project board, express that directly in message.
- Good:
Read docs/TODO.md, check what changed since the last run, and summarize only actionable updates. - Good:
Continue the current release investigation, inspect the latest logs, and report only new blockers. - Bad:
heartbeat
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.
- 4d ago First seen · 91 lines · 8 tokens per session scan A 81e0314577e4
cron is a skill published in the GitHub repository Peiiii/nextclaw (253 stars, last pushed today), licensed MIT. It adds 8 tokens to every session and 942 once invoked, about $0.0000 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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