Give Claude Code live prices with the MCP server

Give Claude Code the ShopSavvy MCP server so it can look up products, compare prices across retailers and read price history while it works. It works without a key; with your Data API key the rate limit is higher and tool calls use your credits.

Step	Command or prompt	MCP tool	Credits with a key
Add the server	`claude mcp add --transport http shopsavvy https://api.shopsavvy.com/mcp`	none	0
Identify a product	"What product is barcode 611247373064?"	`product_lookup`	1
Compare prices	"Where is it cheapest right now, and when was each price checked?"	`product_offers`	3
Check the history	"How has its price changed over the last 30 days?"	`product_price_history`	33 (1 per day plus 3)
Check your credits	"How many ShopSavvy credits do I have left this month?"	`api_usage`	0

Cost: without a key, tool calls are free and limited to 10 a minute and 100 an hour per IP address. With a key the limit is 100 a minute and each call costs what the matching REST request does (the tool list is in Available AI Tools). The four prompts above cost 37 credits with a key.

Add the server

# Without a key
claude mcp add --transport http shopsavvy https://api.shopsavvy.com/mcp

# With your Data API key: higher rate limit, calls use your credits
claude mcp add --transport http shopsavvy https://api.shopsavvy.com/mcp \
  --header "Authorization: Bearer $SHOPSAVVY_API_KEY"

# Check that it connected
claude mcp list

Then ask in plain language; Claude picks the tools. To see exactly what a tool returns, call the server yourself:

curl -s https://api.shopsavvy.com/mcp \
  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"product_offers","arguments":{"identifier":"611247373064"}}}'

Other clients (Cursor, VS Code, Claude Desktop, ChatGPT) are covered in Claude Desktop Setup.

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