Mastra

Mastra Factory is a comprehensive platform developed by Mastra, specializing in building and deploying AI agents that can reason, remember, and act using TypeScript. Launched in 2024 as an open-source framework, it quickly evolved into a full cloud platform with self-hosting options. The platform targets developers and engineering teams looking to create complex AI applications based on autonomous agents and deterministic workflows with full RAG (Retrieval-Augmented Generation) support.

Architecture

Mastra Factory employs a modern architecture combining an open-source TypeScript framework with managed cloud infrastructure. The framework allows developers to define agents using custom tools, long-term memory, and function calling capabilities. The platform also provides a visual workflow engine for building complex pipelines with branching and loops, enabling reliable automation of multi-step processes.

Performance & Observability Features

The platform stands out with advanced observability and tracing capabilities, allowing developers to track every step an agent takes, measure resource consumption (such as CPU time and event counts), and analyze performance through detailed dashboards. It also includes evaluation tools (Evals) to measure and continuously improve agent output quality. The platform supports extensive integrations with vector stores and databases, facilitating the construction of powerful RAG systems.

Pricing & Usage Model

Mastra Factory offers a flexible pricing model combining a free Starter plan for everyone with paid Teams and Enterprise plans. Costs are based on resource consumption such as observability events, CPU time, and data retention period. This model makes it suitable for small, medium, and large projects alike, with self-hosting options for developers who prefer full control.

Model & Agent Integration

The platform supports model routing across multiple providers like OpenAI, Anthropic, and Google, allowing selection of the optimal model for each task. It also provides native support for the MCP (Model Context Protocol) to extend agent capabilities with external tools. Thanks to its documented REST API, Mastra Factory can be easily integrated into web, mobile, and backend applications.