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 oaustegard/claude-skills --skill sorting-groceriesgit clone --depth 1 https://github.com/oaustegard/claude-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/oaustegard/claude-skills/sorting-groceries)<a href="https://agentmods.dev/skills/oaustegard/claude-skills/sorting-groceries"><img src="https://agentmods.dev/badge/skills/oaustegard/claude-skills/sorting-groceries/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/oaustegard/claude-skills/sorting-groceries"><img src="https://agentmods.dev/badge/skills/oaustegard/claude-skills/sorting-groceries.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00065 | $0.01315 |
| Opus 5 | $0.00032 | $0.00658 |
| Sonnet 5 | $0.00013 | $0.00263 |
| Haiku 4.5 | $0.00006 | $0.00131 |
Grade A, and why
sorting-groceries 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 yesterday.
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 — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sorting Groceries by Aisle
Sort a user's grocery list by aisle order so they can walk the store in one efficient pass, no backtracking.
When Triggered
Activate when user:
- Uploads photos of grocery store aisle signs or markers
- Provides a grocery/shopping list alongside store layout info
- Asks to sort, organize, or optimize a shopping list by aisle
- Mentions aisle numbers, store maps, or shopping routes
Inputs
Two inputs are needed. Prompt for whichever is missing:
- Aisle sign images — Photos of aisle markers, hanging signs, or endcap labels. Each typically shows an aisle number and category keywords (e.g., "Aisle 5: Coffee, Tea, Cocoa").
- Grocery list — Text, pasted note, or photo of a handwritten list. Any format.
Building the Aisle Map
Read each uploaded aisle sign image for its aisle number (or label, e.g. "A5") and category text exactly as printed (e.g., "Pasta, Sauces, Canned Vegetables"). Compile into a structured map:
Aisle 1: Bread, Bakery Items, Tortillas
Aisle 2: Cereal, Breakfast, Granola Bars
Aisle 3: Pasta, Sauces, Canned Goods
...
If an image is blurry or partially unreadable, note what was legible and flag uncertainty rather than guessing.
Perimeter Zones
Grocery stores also have unnumbered perimeter sections. Use the user's own signage wherever their photos cover it; otherwise fall back to this typical layout, run counterclockwise from the entrance:
| Zone | Typical items |
|---|---|
| Produce | Fresh fruits, vegetables, herbs, salad mixes |
| Deli | Sliced meats, prepared foods, rotisserie chicken |
| Bakery | Fresh bread, cakes, pastries (distinct from packaged bread aisle) |
| Dairy | Milk, cheese, yogurt, butter, eggs |
| Meat & Seafood | Fresh/frozen meat, poultry, fish |
| Frozen | Frozen meals, ice cream, frozen vegetables |
Typical flow: Produce → Deli/Bakery → Meat/Seafood → Dairy → Frozen.
Matching Items to Aisles
Parse every item from the user's list, preserving their original wording alongside any normalized form (e.g. "parm" → parmesan cheese; "2 lbs chicken breast" → chicken breast, 2 lbs). Match each item to the aisle or perimeter zone its category text best fits. When an item could plausibly sit in more than one place (honey: baking vs. condiments), assign the most likely one and add a note rather than guessing silently — see Multi-Aisle Items below. An item that matches nothing goes to "couldn't place" rather than being forced into a guessed aisle.
What ships with it
1 file 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.
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.
- yesterday Changed · -10 lines 9fd0f9ea6f47
- 8d ago First seen · 153 lines · 65 tokens per session scan A 61061f528461
sorting-groceries is a skill published in the GitHub repository oaustegard/claude-skills (148 stars, last pushed 2d ago), licensed MIT. It adds 65 tokens to every session and 1,315 once invoked, about $0.0003 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 2026-09-03.
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