Product memo
Developers building modern commerce stacks use CartQL to add shopping cart functionality to any site or app. It provides a GraphQL API and an MCP server, supporting AI agents for natural language shopping. The service integrates with existing product inventory, offering core cart operations, multi-currency support, and automatic totals calculation without replatforming.
For who
Developers building modern commerce stacks
Solves what
Provides a GraphQL Shopping Cart API and MCP server for any site or app.
- GraphQL Shopping Cart API
- MCP Server for AI agents
- Integrates with existing inventory
In their own words
ModelContextProtocol MCP and GraphQL Shopping Cart API for modern commerce
Works with your favourite frontend framework
Add a shopping cart to any site, app or agent with MCP, and GraphQL APIs. No replatforming required.
Commercial cues
Model
subscription
Free tier
Yes
Trial
Available
Pricing Strategy
- • A free tier with unlimited carts lowers adoption friction for new projects.
- • Monthly plans keep buying commitment low.
Operator context
Operating setup
Founded
Nov 2019
HQ
United Kingdom
Platform
API
Audience
Developers
Payments
Stripe
Detected via TrustMRR
Social footprint
Tech stack
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Solo Buildable
About CartQL Expand
CartQL offers a specialized GraphQL Shopping Cart API and MCP server designed for developers building modern commerce experiences. It allows teams to add specific shopping cart functionality to any website, application, or AI agent without requiring a full replatforming.
The service handles essential cart operations, supports multiple currencies, and automatically calculates totals. With features like webhooks for real-time events, CartQL helps developers integrate advanced cart management into their existing product inventory systems, making it a flexible component for custom commerce stacks.

