### Agents and Backends

#### Overview
Agents and backends are vital components in modern applications, enabling efficient communication and data processing.

#### Categories
- **REST API**: A popular architectural style for designing networked applications.
- **GraphQL API**: A query language for your API, providing a more flexible alternative to REST.
- **Mobile Backend**: Services that help enhance mobile app functionality.
- **MCP Server**: A management control point for various resources.
- **AI Chat Application**: Platforms that use AI to facilitate conversation with users.
- **AI Workflow Runner**: Tools designed to automate workflows powered by artificial intelligence.

#### Usage
Utilizing agents and backends allows for improved user experiences and operational efficiency. They are essential in the context of microservices architecture and cloud computing.