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Open Supermarkets

Community
abracadabra50
open-supermarkets

Grocery automation across ten retailers in seven countries — UK, Netherlands, Belgium, Spain, Hungary, the US and Canada. Search, compare, basket, delivery slots and checkout, plus Open Food Facts nutrition and allergen enrichment. Available as CLI, MCP server, or agent skill.

Overview

Publisherabracadabra50
Repositoryopen-supermarkets
Skill nameopen-supermarkets
Stars
130
Forks
31
Bundled files
63
LicenseMIT
Links
Skill sourceRepository
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 63 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by abracadabra50 on GitHub. Read the source before you install it.

Installation

Install the Open Supermarkets AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/abracadabra50/open-supermarkets/tree/main
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/abracadabra50/open-supermarkets.git \
  .claude/skills/open-supermarkets
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Open Supermarkets in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Open Supermarkets on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Open Supermarkets is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

UK Grocery CLI - Agent Skills

Unified grocery automation across UK supermarkets. Use via CLI, MCP server, or as agent skills.

Location: {baseDir}

Per-Supermarket Skills

Each supermarket has a dedicated skill file with provider-specific commands, authentication, and API details:

SupermarketSkill FileStatus
Sainsbury'sskills/sainsburys.mdFull coverage
Tescoskills/tesco.mdFull coverage + staples
Ocadoskills/ocado.mdFull coverage except slot booking/checkout (AWS WAF)
Tesco Magyarországskills/tesco-hu.mdSearch and basket; no slots/checkout

Quick Start

bash
cd {baseDir}
npm install
npx playwright install chromium

CLI Usage

bash
# Search any supermarket
npm run groc -- --provider sainsburys search "milk"
npm run groc -- --provider tesco search "milk"
npm run groc -- --provider ocado search "milk"

# Compare across all stores
npm run groc compare "organic eggs" --json

# Provider is a flag - all commands work the same way
npm run groc -- --provider <store> basket
npm run groc -- --provider <store> add <id> --qty 2
npm run groc -- --provider <store> slots
npm run groc -- --provider <store> checkout --dry-run

MCP Server Usage

bash
# Start MCP server (stdio transport)
npx tsx src/mcp-server.ts
# Or after build:
node dist/mcp-server.js

Claude Desktop config (claude_desktop_config.json):

json
{
  "mcpServers": {
    "uk-grocery": {
      "command": "node",
      "args": ["/path/to/uk-grocery-cli/dist/mcp-server.js"]
    }
  }
}

MCP Tools Reference

All tools accept a provider parameter (sainsburys, ocado, tesco). Default: sainsburys.

Core Tools (all providers)

ToolDescription
grocery_loginLogin to supermarket account
grocery_statusCheck login status across all providers
grocery_searchSearch products
grocery_compareCompare prices across all stores
grocery_basket_viewView basket contents
grocery_basket_addAdd product to basket
grocery_basket_removeRemove from basket
grocery_basket_updateUpdate item quantity
grocery_basket_clearClear basket
grocery_slotsList delivery slots
grocery_book_slotBook delivery slot
grocery_checkoutCheckout (dry_run=true by default)
grocery_ordersView order history
grocery_favouritesFavourite / frequently-bought products (Sainsbury's, Ocado)
grocery_favourites_searchSearch within favourites (Sainsbury's, Ocado)
grocery_categoriesList browse categories (Sainsbury's, Ocado)
grocery_browseBrowse products in a category (Ocado)
grocery_providersList providers and login status

Provider-Specific Tools

ToolDescription
tesco_staplesView, update, or auto-add repeat-purchase staples
ocado_regularsList Ocado recurring-shopping ("Regulars") definitions

When to Use This Skill

Trigger when users:

  • Want to plan meals or order groceries
  • Ask about product prices or availability
  • Want to compare prices across supermarkets
  • Need to manage a shopping basket
  • Want to book delivery slots or checkout
  • Ask about weekly shop, meal prep, or grocery budget

Example Agent Workflows

Meal Planning

bash
# Search ingredients across stores
npm run groc compare "chicken breast" --json
npm run groc compare "basmati rice" --json

# Add to cheapest provider
npm run groc -- --provider tesco add PRODUCT_ID --qty 1
npm run groc -- --provider tesco basket --json
npm run groc -- --provider tesco checkout --dry-run

Restock Staples (Tesco)

bash
npm run groc -- --provider tesco staples --add
npm run groc -- --provider tesco basket --json
npm run groc -- --provider tesco checkout --dry-run

Price Comparison

bash
npm run groc compare "organic milk" --json
# Returns results from all providers with prices

Documentation

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

and 3 more files.

Frequently asked questions

What does the Open Supermarkets AI skill do?

Grocery automation across ten retailers in seven countries — UK, Netherlands, Belgium, Spain, Hungary, the US and Canada. Search, compare, basket, delivery slots and checkout, plus Open Food Facts nutrition and allergen enrichment. Available as CLI, MCP server, or agent skill.

Why use Open Supermarkets on TypingMind?

Because you install it once and use it with any model. Open Supermarkets is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Open Supermarkets in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/abracadabra50/open-supermarkets/tree/main. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Open Supermarkets?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Open Supermarkets?

As many as you like. As long as a model supports skills, you can use Open Supermarkets with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Open Supermarkets AI skill free?

Yes. It is published on GitHub by abracadabra50 under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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