Mastra
The Javascript framework for building AI agents, from the Gatsby devs
Based based in San Francisco, CA, USA; Remote, Mastra works in b2b.
Profile
Mastra is the easiest way to build a production AI application, built by the team that brought you Gatsby. We provide a complete set of AI primitives: workflows for complex operations, agents for autonomous decisions, RAG for knowledge integration, and evals for quality & accuracy. Mastra is open-source, modular, and built in Typescript for product developers. You can deploy Mastra on any cloud, and it gives you a straightforward syntax to solve the hardest problems building with AI: human-in-the-loop workflows, agent memory and tool selection, and output quality.
The company sits in the b2b segment, where it competes on its core product or service.
The business is associated with San Francisco, CA, USA; Remote.
Its current recorded stage is Winter 2025.
Its team size is recorded as 30 employees.
Directory analysis
Mastra is a B2B, open‑source JavaScript framework designed to simplify the creation of production AI applications. Developed by the team behind Gatsby, it offers modular AI primitives—including workflows, autonomous agents, Retrieval‑Augmented Generation (RAG), and evaluation tools—all written in TypeScript. The framework is cloud‑agnostic and emphasizes human‑in‑the‑loop workflows, agent memory, tool selection, and output quality.
Positioning: Mastra positions itself as a developer‑friendly AI application stack that leverages Gatsby’s experience to provide modular, production‑ready primitives. Its open‑source, cloud‑agnostic design targets product teams and enterprises seeking flexible AI integration without vendor lock‑in.
Note: Mastra offers an open‑source, TypeScript‑based framework for building production AI applications with modular primitives.
Auto-generated directory analysis from public data · updated 9 Oct 2026. Informational only, not investment advice.
| Sector | B2B |
|---|---|
| Headquarters | San Francisco, CA, USA; Remote |
| Country | USA; Remote |
| Employees | 30 |
| Stage | Winter 2025 |
Website: mastra.ai
Browse related
Create a free account