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 skills add Lonsdale201/wp-agent-skills --skill wp-admin-postbox-sortablegit clone --depth 1 https://github.com/Lonsdale201/wp-agent-skillsWrote 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/lonsdale201/wp-agent-skills/wp-admin-postbox-sortable)<a href="https://agentmods.dev/skills/lonsdale201/wp-agent-skills/wp-admin-postbox-sortable"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/wp-admin-postbox-sortable/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.
<a href="https://agentmods.dev/skills/lonsdale201/wp-agent-skills/wp-admin-postbox-sortable"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/wp-admin-postbox-sortable.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00153 | $0.03818 |
| Opus 5 | $0.00077 | $0.01909 |
| Sonnet 5 | $0.00031 | $0.00764 |
| Haiku 4.5 | $0.00015 | $0.00382 |
Grade A, and why
wp-admin-postbox-sortable 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 2d 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 — 295 lines — stays where its author put it; the contents beside it link to each section on GitHub.
WordPress Admin Postboxes & Sortable
Use this skill when you need the familiar collapsible / draggable / Screen-Options-toggleable boxes that WordPress core uses on post edit and Dashboard, but on your own admin page or in your own draggable list. The most common failure mode is wiring up the HTML correctly, then watching the box collapse fine but never persist — because the nonce field is missing and the AJAX call silently fails.
When to use this skill
Trigger when ANY of the following is true:
- The user is calling
add_meta_box()on a custom screen (not just the regular post edit), or registering a custom screen and wants postbox behavior. - The user wants drag-and-drop reordering for a list of items in
wp-admin(option rows, repeater fields, custom panels). - Code references
postboxes.add_postbox_toggles,.meta-box-sortables,.postbox,.hndle,closedpostboxesnonce,meta-box-order-nonce,closedpostboxes_*,metaboxhidden_*, ormeta-box-order_*. - The user says "the collapse/expand works but doesn't save" or "drag works but order doesn't persist" or "Screen Options checkboxes don't appear on my page".
The four pieces that MUST be in place
The postbox UI looks like a single component but it's actually four things wired together. Miss one and the behavior degrades silently. None of this is automatic on a custom admin page.
| Piece | Owner | Failure mode if missing |
|---|---|---|
1. postbox script enqueued |
Your admin_enqueue_scripts callback |
No collapse, no drag |
2. Correct DOM (.meta-box-sortables > .postbox > .hndle) |
Your view template | Sortable doesn't init, collapse classes don't bind |
| 3. The two nonce fields in the form | Your view template | AJAX persistence fails; state is not stored |
4. postboxes.add_postbox_toggles( pageId ) called on DOM ready |
Your admin JS | No postbox behavior binds; sortable / collapse / Screen Options handlers never start |
1. Enqueue the postbox script
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.
- 2d ago First seen · 295 lines · 153 tokens per session scan A 2c6931f17a25
wp-admin-postbox-sortable is a skill published in the GitHub repository Lonsdale201/wp-agent-skills (22 stars, last pushed 2d ago), licensed MIT. It adds 153 tokens to every session and 3,818 once invoked, about $0.0008 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 2026-09-11.
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