MCP server

Yappman Data Supermarket Price Snapshots

io.github.yappmaniac/grocery-price-snapshots

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read-only UK/AU supermarket price index and UK basket snapshots. CC BY 4.0. Not live prices.

Working at last checkAbout 1,077 tokens per request once connected4 tools

Website

https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 1,077 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http grocery-price-snapshots https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.grocery-price-snapshots]
url = "https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"grocery-price-snapshots":{"httpUrl":"https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"grocery-price-snapshots":{"url":"https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"}}}

VS Code

{"servers":{"grocery-price-snapshots":{"type":"http","url":"https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"}}}

Antigravity

agy mcp add grocery-price-snapshots https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"grocery-price-snapshots","server_url":"https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"grocery-price-snapshots","server_url":"https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"}

Tools

about_the_data ~99 tokens
Returns the licence (CC BY 4.0) and credit form, what is not served, the store setting, the published index weeks and the basket date range with its short and missing days. Use it before citing or relying on the other tools.
get_shelf_price_index ~370 tokens
Returns one published week of the free UK or Australian online shelf-price index (CC BY 4.0): index levels, week-on-week change and matched-product counts by retailer and product class. Use it for "how did posted grocery shelf prices move this week". Not a CPI, not prices paid, no product names. Omi
list_index_vintages ~131 tokens
Returns the published weeks (vintages) of the free UK or Australian online shelf-price index, newest first, with publication time, revision and base week. Use it before get_shelf_price_index to pick a week. Not for prices.
lookup_basket_prices ~477 tokens
Returns posted shelf prices from the free UK daily 212-item basket (CC BY 4.0) for up to 20 barcodes (EAN) or retailer product ids, up to one row per retailer for one day: price, was-price, loyalty price, unit price, pack size and stock. Use it for "what did this barcode cost at Tesco, Sainsbury's,

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