Posokanei MCP

Unofficial read-only MCP server for Greek supermarket price data from PosoKanei.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "posokanei-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posokanei-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

posokanei-mcp

Unofficial read-only MCP server for supermarket product and price data from PosoKanei.

This server lets MCP-compatible clients ask questions such as:

Search for supermarket products by name.
Look up a product by barcode.
Compare current retailer prices for a product.
Compare a small shopping basket across retailers.
Browse product categories and retailers.

Status

Early open-source version. The implementation uses public, undocumented endpoints used by the PosoKanei web app. Keep requests modest and cache-friendly.

This project is not affiliated with, endorsed by, or operated by PosoKanei, gov.gr, or any Greek public authority.

Installation

Add it to your MCP client configuration:

config.json

{
  "mcpServers": {
    "posokanei": {
      "command": "npx",
      "args": ["-y", "posokanei-mcp"]
    }
  }
}

For local development:

config.json

{
  "mcpServers": {
    "posokanei": {
      "command": "node",
      "args": ["/absolute/path/to/posokanei-mcp/dist/index.js"]
    }
  }
}

Build first:

Terminal

npm install
npm run build

Tools

Tool	Purpose
`search_products`	Search products by text.
`get_product`	Get details and retailer prices for a product id.
`lookup_barcode`	Find product prices by EAN/GTIN barcode.
`list_products_by_category`	List category products, sorted by unit price by default.
`list_categories`	Return a simplified category tree.
`list_retailers`	List known retailers.
`get_price_history`	Fetch product detail with history when available.
`compare_competitors`	Fetch comparable/competitor product data when available.
`compare_basket`	Compare a small basket across retailers.
`get_stats`	Return high-level dataset stats.

Configuration

Optional environment variables:

Variable	Default	Purpose
`POSOKANEI_API_BASE`	`https://api.posokanei.gov.gr`	API base URL.
`POSOKANEI_CACHE_TTL_MS`	`300000`	In-memory cache TTL.
`POSOKANEI_MIN_INTERVAL_MS`	`250`	Minimum delay between outbound API requests.
`POSOKANEI_TIMEOUT_MS`	`15000`	Request timeout.

Development

Terminal

npm install
npm run typecheck
npm test

The test suite mocks the PosoKanei API. It should not require live network access.

License

MIT

Read the full README →View source on GitHub →

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Frequently Asked Questions about Posokanei MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "posokanei-mcp": { "command": "npx", "args": ["-y", "posokanei-mcp"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

36Quality signal: Fair · 36/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity2/15

Community engagement0/10

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Documentation Overview

posokanei-mcp

Unofficial read-only MCP server for supermarket product and price data from PosoKanei.

This server lets MCP-compatible clients ask questions such as:

Search for supermarket products by name.
Look up a product by barcode.
Compare current retailer prices for a product.
Compare a small shopping basket across retailers.
Browse product categories and retailers.

Status

Early open-source version. The implementation uses public, undocumented endpoints used by the PosoKanei web app. Keep requests modest and cache-friendly.

This project is not affiliated with, endorsed by, or operated by PosoKanei, gov.gr, or any Greek public authority.

Installation

Add it to your MCP client configuration:

config.json

{
  "mcpServers": {
    "posokanei": {
      "command": "npx",
      "args": ["-y", "posokanei-mcp"]
    }
  }
}

For local development:

config.json

{
  "mcpServers": {
    "posokanei": {
      "command": "node",
      "args": ["/absolute/path/to/posokanei-mcp/dist/index.js"]
    }
  }
}

Build first:

Terminal

npm install
npm run build

Tools

Tool	Purpose
`search_products`	Search products by text.
`get_product`	Get details and retailer prices for a product id.
`lookup_barcode`	Find product prices by EAN/GTIN barcode.
`list_products_by_category`	List category products, sorted by unit price by default.
`list_categories`	Return a simplified category tree.
`list_retailers`	List known retailers.
`get_price_history`	Fetch product detail with history when available.
`compare_competitors`	Fetch comparable/competitor product data when available.
`compare_basket`	Compare a small basket across retailers.
`get_stats`	Return high-level dataset stats.

Configuration

Optional environment variables:

Variable	Default	Purpose
`POSOKANEI_API_BASE`	`https://api.posokanei.gov.gr`	API base URL.
`POSOKANEI_CACHE_TTL_MS`	`300000`	In-memory cache TTL.
`POSOKANEI_MIN_INTERVAL_MS`	`250`	Minimum delay between outbound API requests.
`POSOKANEI_TIMEOUT_MS`	`15000`	Request timeout.

Development

Terminal

npm install
npm run typecheck
npm test

The test suite mocks the PosoKanei API. It should not require live network access.

License

MIT