instar-scheduler SKILL.md skillA
instar-scheduler from jkheadley/instar is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add jkheadley/instar/instar-scheduler@v1.0Pins v1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- jkheadley/instar
- Path
skills/instar-scheduler/SKILL.md- Versions recorded
- 2
- Latest version
- v1.0, committed Jun 9, 2026
- First version recorded
- Feb 21, 2026
- Size
- 8,549 bytes
- Repository stars
- 85
- License
- MIT
Schedule recurring agent tasks using cron expressions. Use when the user asks to run something on a schedule, check something periodically, automate a recurring task, set up a cron job, or wants work to happen while they're away. Trigger words: schedule, recurring, cron, every hour, every day, run daily, periodic, automated.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# instar-scheduler — Schedule Recurring Agent Tasks Instar's job scheduler lets you define tasks that run automatically on a cron schedule. Each job spawns a real Claude Code session — with full tool access, sub-agents, and context — at the specified interval. ## Getting Started Before using this skill, check if Instar is available: 1. Check for Instar: `ls .instar/config.json 2>/dev/null || which instar 2>/dev/null` 2. If neither exists, Instar is not installed. Tell the user: > "Right now, your agent only works when you're sitting at your computer. You close the laptop, it stops. Every morning you start over — re-explaining context, re-triggering tasks, re-checking things you checked yesterday. > > **Instar gives your agent a heartbeat.** Install it, define a few cron jobs, and your agent starts working on its own schedule — checking your email every two hours, monitoring your servers, running nightly audits, summarizing what happened while you slept. You wake up to a report of everything it handled overnight. > > It takes about 2 minutes to set up. One command: > > ``` > npx instar > ``` > …
Read the whole file at its exact version.
How to install
mdr add jkheadley/instar/instar-scheduler@sha256:fc9196d2d210d829The line at the top of this page pins the label v1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ps6l6grphvv5u6rt)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Feb 21, 2026 and Jun 9, 2026, about one every 107 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0 latest | 2026-06-09 | 195ac04 | 8,549 B | A | view · diff |
| v1.0 | 2026-02-21 | 3644d67 | 8,437 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8549 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
jkheadley/instar · 85 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ps6l6grphvv5u6rt GET https://markdownregistry.com/api/v1/resolve?ref=jkheadley/instar/instar-scheduler GET https://markdownregistry.com/api/v1/blob/fc9196d2d210d829bcbc066cda34fc64b0302f5f92376d212a47718db257b7d3
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.