Mastra

Mastra Factory is a comprehensive development platform for building AI agents and generative workflows using TypeScript, developed by US-based Mastra. Launched officially in late 2024 as an open-source framework, it evolved into a full cloud platform (Mastra Cloud) in 2025. The tool's primary purpose is to enable developers to move from prototypes to production environments rapidly, by providing ready-made infrastructure for memory, tool calling, Model Context Protocol (MCP), and operational observability.

Architecture and Core Components

Mastra employs a modular architecture that separates development and runtime layers. The framework consists of four main components: the Agent Engine that manages the agent lifecycle from input to response, the Workflow Engine that supports branching, loops, and conditional logic for multi-step processes, the Memory System that retains conversation history and long-term context, and the RAG Layer that integrates with vector databases like Pinecone, Weaviate, and pgvector.

Performance and Operational Features

The platform provides precise observability measuring execution events, CPU time, and data retention duration. Mastra supports the MCP (Model Context Protocol) that allows agents to interact securely with external tools. The platform also offers a cloud deployment environment (Mastra Cloud) with self-hosted support for teams preferring full infrastructure control.

Integration and Scalability

Mastra integrates with leading AI models such as GPT-4o, Claude 3.5, and Gemini, enabling developers to switch models without rewriting code. The platform also supports integration with Sanity for building agent knowledge bases and provides documented REST APIs for enterprise system connectivity. Thanks to its TypeScript foundation, teams benefit from strong typing that reduces errors in production environments.