headless-cron-creator skillA
headless-cron-creator is agent-read markdown (skill) from notque/vexjoy-agent: Generate headless Claude Code cron jobs with safety..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Headless Cron Creator Skill Generate headless Claude Code cron jobs from a task description and schedule. Creates a wrapper script with safety mechanisms (lockfile, budget cap, dry-run default, logging) and installs crontab entries. All crontab mutations go through `scripts/crontab-manager.py`, which writes to temp files and creates timestamped backups in `~/.claude/crontab-backups/` before every change -- never pipe directly to `crontab -` because a mid-stream pipe failure wipes the entire crontab. ## Instructions ### Phase 1: PARSE Extract job parameters from the user's request. **Required parameters**: - **name** -- short kebab-case identifier (e.g., `reddit-automod`, `feed-health-check`) - **prompt** -- what Claude should do each run (natural language) - **schedule** -- cron expression or human-readable interval **Optional parameters** (with defaults): - **workdir** -- where to `cd` before running (default: current repo root) - **budget** -- max USD per run (default: `2.00`; user may override) - **allowed-tools** -- which tools the headless session can use (default: `Bash Read`; user may override) …
Read the whole file at its exact version.
How to install
mdr add notque/vexjoy-agent/headless-cron-creator@git:20260919.28d30f9mdr add notque/vexjoy-agent/headless-cron-creator@sha256:ceb9a093558fcbd3Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_g47ddwgfvu4ul633)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260919.28d30f9 latest | 2026-09-19 | 28d30f9 | 6,403 B | A | view · diff |
| git:20260710.758b862 | 2026-07-10 | 758b862 | 6,451 B | A | view · diff |
| git:20260705.380563c | 2026-07-05 | 380563c | 6,448 B | A | view · diff |
| git:20260506.9709a7a | 2026-05-06 | 9709a7a | 6,419 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 (6403 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
notque/vexjoy-agent · 424 stars · license MIT · pushed 2026-09-23 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_g47ddwgfvu4ul633 GET https://markdownregistry.com/api/v1/resolve?ref=notque/vexjoy-agent/headless-cron-creator GET https://markdownregistry.com/api/v1/blob/ceb9a093558fcbd38c1c226922d35038e42cc1135caa128fa5403e9e7c86003b
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