Mastra

Mastra Factory is a comprehensive open-source platform for building and deploying intelligent AI agents using TypeScript. Developed by Mastra, it is available for free under the Apache 2.0 license with paid options for cloud hosting and advanced observability. Launched in October 2024, it targets developers and enterprises looking to create scalable AI applications with full support for RAG, tracing, evaluation, and integration with major LLM providers.

Architecture & Technical Features

Mastra employs a modular architecture that allows developers to build autonomous agents capable of reasoning, remembering, and acting. The framework includes a workflow engine for orchestrating multi-step processes with full control flow, a memory system for context storage and retrieval, and MCP (Model Context Protocol) support for connecting external tools. It also provides native RAG support through document chunking and vector stores, facilitating knowledge-based applications.

Performance & Observability

The platform comes with built-in observability tools that track events, CPU time, and resource consumption. Developers can export data to platforms like Langfuse or Helicone. It also offers an evaluation system to measure agent output quality, helping to continuously improve performance.

Integration & Scalability

Mastra supports integration with major LLM providers such as OpenAI, Anthropic, and Google, as well as local models. Agents can be deployed across multiple platforms including web and API, with full support for cloud or self-hosted environments.

Core Use Cases

Mastra is used for building customer service agents, workflow automation, document RAG systems, intelligent chatbots, and data analysis applications. Its flexibility makes it suitable for both startups and large enterprises.