Mastra

Mastra is an all-in-one open-source TypeScript framework designed for building AI-powered applications and agents.

Free + paidWebDesktopAPIOpen sourceLLM-basedMultimodal

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Overview

Mastra is an all-in-one open-source TypeScript framework designed for building AI-powered applications and agents. It provides developers with essential building blocks including RAG, memory, MCP tools, and workflows, supported by a visual developer studio for iteration and testing. The platform features built-in observability for tracking performance and security features to sanitize inputs. Geared towards developers and software teams, Mastra integrates easily with frameworks like Next.js and Express. The core framework is free under the Apache 2.0 license, and the managed platform is currently free to start with general availability pricing launching in Q1 2026.

Key features

TypeScript framework for agents, workflows, and RAG
Visual developer studio for iteration and testing
Built-in observability and evaluation tools
Flexible deployment with API exposure

Pricing

Free + paidStarting price: US$250/mo

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Verified on: 9/10/2026

Use cases

Building autonomous AI agents
Developing workflow orchestration systems
Creating RAG-based knowledge applications

Who it is for

Developerssoftware teams

Integrations

OpenAIAnthropicGoogle GeminiGroqMistralNext.jsPineconeUpstash

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 09/10/2026Verified sources: 1