Agent skill

Shopping

by codewhale-hq in codewhale-hq/Codewhale

Product research — compare options, prices, and reviews. An agent skill from codewhale-hq/Codewhale.

MITAuto-check passed

Install Shopping

skills CLI
$ npx skills add codewhale-hq/Codewhale --skill shopping -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install codewhale-hq/Codewhale shopping --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/codewhale-hq/Codewhale.git skills-src && mkdir -p .claude/skills && cp -r skills-src/crates/tui/assets/skills/shopping .claude/skills/shopping && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
shopping
GitHub stars
41k
Token cost
~265 tokens
SKILL.md length
121 words
Files
1
Skills in repo
63
Repo updated
First seen
Licence
MIT

At a glance

Product research — compare options, prices, and reviews. An agent skill from codewhale-hq/Codewhale.

  • Works in 4 steps: Pin the budget, must-have features, and… → Research with web search: reviews,… → Present a comparison table (option,… → …
  • Product recommendation
  • SKILL.md covers When to use, Setup, Workflow and Non-goals
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Shopping is an agent skill from codewhale-hq/Codewhale. Product research — compare options, prices, and reviews. Use when: buy, shopping, product recommendation, compare prices, best X to buy, or is this a good deal.

Its SKILL.md is about 270 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Open-source Rust agent engine and terminal client for Codewhale, with provider choice, tools, approvals and receipts. The licence is MIT.

When your agent uses it

  • Product recommendation
  • Is this a good deal

Example prompts

  • “/shopping”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Pin the budget, must-have features, and deal-breakers before researching.
  2. Research with web search: reviews, roundups, and retailer listings.
  3. Present a comparison table (option, price, key specs, standout review
  4. For deal questions, check price history where available (e.g. camelcamelcamel

What it can do on your machine

Read from SKILL.md and the folder at commit 8d2fb45. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Shopping loads about 265 tokens when it runs. Until then it costs about 42 tokens; SKILL.md has 121 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~42
When it runs · the whole SKILL.md, loaded when a task matches
~265

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from codewhale-hq/Codewhale at commit 8d2fb45, republished under its MIT licence (© codewhale-hq). 121 words, ~265 tokens.

Download SKILL.mdSave it as .claude/skills/shopping/SKILL.md (or your agent's skills folder).
name
shopping
description
Product research — compare options, prices, and reviews. Use when: buy, shopping, product recommendation, compare prices, best X to buy, or is this a good deal.
invocation
model+user

Shopping

When to use

Helping the user choose what to buy: shortlists, comparisons, price checks, and deal evaluation.

Setup

None — web research only. Fail loud when the request needs a logged-in store account (order history, cart).

Workflow

  1. Pin the budget, must-have features, and deal-breakers before researching.
  2. Research with web search: reviews, roundups, and retailer listings.
  3. Present a comparison table (option, price, key specs, standout review point), then one recommendation with its tradeoff.
  4. For deal questions, check price history where available (e.g. camelcamelcamel for Amazon) and say when history is unavailable.

Non-goals

  • Do not purchase anything or enter payment details. Ever.
  • Do not add to carts or create store accounts.
  • Do not present sponsored results as editorial picks.

© codewhale-hq, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in crates/tui/assets/skills/shopping of codewhale-hq/Codewhale.

Open the folder on GitHubat commit 8d2fb45

Compare with similar skills

Shopping next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Shopping compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Shopping this skillcodewhale-hq/Codewhale41k—~265Automated safety check: PassMIT
Pricingsickn33/agentic-awesome-skills47k1 repos~1.9kAutomated safety check: PassMIT
Optionsasgeirtj/system_prompts_leaks69k—~918Automated safety check: PassCC0-1.0
Shoppingasgeirtj/system_prompts_leaks69k—~3.7kAutomated safety check: PassCC0-1.0
Pricing Strategyphuryn/pm-skills27k—~913Automated safety check: PassMIT
Tiktok Shop Pricingnexscope-ai/eCommerce-Skills1.1k—~442Automated safety check: PassMIT

Similar skills

  • Pricing

    sickn33/agentic-awesome-skills

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Questions about Shopping

What does Shopping do?

Product research — compare options, prices, and reviews. An agent skill from codewhale-hq/Codewhale. Shopping is an agent skill from codewhale-hq/Codewhale. Product research — compare options, prices, and reviews.

When should I use Shopping?

Shopping fits situations like: product recommendation; is this a good deal.

How do I install Shopping in Claude Code?

Run `npx skills add codewhale-hq/Codewhale --skill shopping -a claude-code`. Or copy the skill folder (crates/tui/assets/skills/shopping in codewhale-hq/Codewhale) into .claude/skills/shopping in your project. Claude Code loads it when a task matches its description.

How do I install Shopping in Codex?

Run `npx skills add codewhale-hq/Codewhale --skill shopping -a codex`. Or copy the skill folder (crates/tui/assets/skills/shopping in codewhale-hq/Codewhale) into .agents/skills/shopping in your project. Codex loads it when a task matches its description.

Can I use Shopping in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add codewhale-hq/Codewhale --skill shopping -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/shopping, .gemini/skills/shopping, .github/skills/shopping and .opencode/skills/shopping in your project.

What does Shopping need to run?

SKILL.md names no scripts, command-line tools or credentials: Shopping is instructions for the agent only.

Does Shopping access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Shopping safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Shopping use?

Shopping is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Shopping use?

About 265 tokens (SKILL.md is roughly 1.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Shopping?

Skills that share tags, products or a category with Shopping: Pricing (sickn33/agentic-awesome-skills, 47k stars), Options (asgeirtj/system_prompts_leaks, 69k stars), Shopping (asgeirtj/system_prompts_leaks, 69k stars) and Pricing Strategy (phuryn/pm-skills, 27k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Shopping?

codewhale-hq (a GitHub organization) maintains it in codewhale-hq/Codewhale, which has 41,078 GitHub stars. The repository holds 63 skills in this directory. The repository was last updated on October 9, 2026.

Source: codewhale-hq/Codewhale on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.