Strider Walmart Connector

MCP connector for shopping at Walmart — search products, check inventory, manage cart, and order for pickup or delivery. Part of the Strider Labs action execution layer for AI agents.

Installation

npm install @striderlabs/mcp-walmart

MCP Configuration

Add to your MCP client configuration (Claude Desktop, Cursor, etc.):

{
  "mcpServers": {
    "walmart": {
      "command": "npx",
      "args": ["-y", "@striderlabs/mcp-walmart"]
    }
  }
}

Available Tools

walmart.search_products

Search Walmart's catalog by keyword, category, or brand.

Input Schema:

{
  "query": "string (search terms)",
  "category": "string (optional: grocery, electronics, home, etc.)",
  "sort": "string (optional: price_low, price_high, rating, relevance)",
  "store_id": "string (optional: for inventory check)"
}

Output:

{
  "products": [{
    "id": "string",
    "name": "string",
    "price": "number",
    "rating": "number",
    "in_stock": "boolean",
    "pickup_available": "boolean",
    "delivery_available": "boolean",
    "image_url": "string"
  }]
}

walmart.add_to_cart

Add products to shopping cart with specified quantity.

Input Schema:

{
  "product_id": "string",
  "quantity": "number",
  "fulfillment": "string (pickup or delivery)"
}

walmart.get_cart

Retrieve current cart contents and totals.

walmart.checkout

Complete purchase with saved payment method.

Input Schema:

{
  "fulfillment_type": "string (pickup or delivery)",
  "store_id": "string (for pickup)",
  "delivery_address": "object (for delivery)",
  "payment_method_id": "string"
}

walmart.check_inventory

Check real-time inventory at a specific store.

walmart.find_stores

Find nearby Walmart stores by location.

Authentication

First use triggers OAuth authorization flow:

1. User is redirected to Walmart to authorize
2. Tokens are stored encrypted per-user
3. Automatic refresh handles token expiration

No API key required — connector manages OAuth flow.

Usage Examples

Search for groceries:

Search Walmart for organic milk and add the best-rated one to my cart

Weekly grocery order:

Order my usual groceries from Walmart: eggs, bread, milk, bananas, chicken breast

Check pickup availability:

Is the PlayStation 5 available for pickup at my local Walmart?

Error Handling

| Code | Meaning | Action | |------|---------|--------| | AUTH_EXPIRED | Session expired | Re-authenticate | | OUT_OF_STOCK | Item unavailable | Suggest alternatives | | STORE_UNAVAILABLE | Store closed | Try different store | | RATE_LIMITED | Too many requests | Retry after delay |

Use Cases

• Weekly grocery shopping: automate recurring orders
• Price comparison: search across categories
• Pickup coordination: find items available at nearby stores
• Bulk ordering: household supplies and pantry staples

Links

• npm: https://npmjs.com/package/@striderlabs/mcp-walmart
• Strider Labs: https://striderlabs.ai