How do I install the HK Supermarket Shopping skill?

Run npx skillmds@latest add dvcrn/hk-supermarket-shopping in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is HK Supermarket Shopping safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: executes scripts, makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with HK Supermarket Shopping?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is HK Supermarket Shopping free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published HK Supermarket Shopping?

dvcrn (@dvcrn) published this skill. Their other Agent Skills are listed on their SkillMD profile.

HK Supermarket Shopping by dvcrn — Agent Skill

Name: HK Supermarket Shopping
Rating: 4.5 (4 reviews)
Author: dvcrn

HK Supermarket Shopping

Real-time price comparison for Hong Kong supermarkets using the Consumer Council's daily pricewatch. For any product query, returns the cheapest supermarket, price, and how many you could buy with $100. The skill auto-detects query language (English or Chinese) and responds in the same language. No authentication required; data downloads automatically on first use.

dvcrn Updated Sep 8, 2026 32 repo stars

File contents

HK Supermarket Shopping (v1.2.1)

Real-time price lookup for Hong Kong supermarkets using the Consumer Council's daily pricewatch. The price_lookup tool searches for products and returns the cheapest option, price, and how many you can buy with $100. Language (English/Chinese) is auto-detected from your query.

Quick Reference

Query	Expected Result
`"Coke Zero"`	`Overall cheapest: PARKNSHOP - Coca-Cola Zero Sugar 500ml ($9.50). With $100 you can buy 10 items (remaining $5.00).`
`"milk"`	Similar format with cheapest supermarket and price
`"雞蛋"`	Response in Chinese: `整體最平：...`

Setup

Install the skill by copying the folder to OpenClaw's skills/ directory.
No configuration required.
The skill downloads the latest pricewatch CSV on first use and stores it in data/.
Data is automatically housekept; only today's file is kept (older than 1 day removed).
All downloads use SSL verification; no insecure proxies.

Technical Details

Data Source: Consumer Council pricewatch (English CSV) – updated daily.
Retention: 1 day (auto housekeeping).
Offline Support: Works after initial download.
Multilingual: Auto-detects query language and responds accordingly.
Security: Input length limited to 200 characters, SSL-verified downloads, no command injection vulnerabilities, no external binary dependencies.
Runtime: Pure Python – uses urllib from standard library (no curl or other external tools).

Frequently asked questions