Mastra
Overview
Open-source TypeScript framework for building AI agents, workflows, RAG, memory and MCP, with optional cloud studio and observability.
Mastra is an all-in-one TypeScript framework for building AI-powered applications and agents. It supports core agent patterns like tools, workflows/orchestration, RAG, memory, MCP integration, and evals, designed to go from prototype to production inside your own codebase. Mastra also offers an optional Mastra Cloud/Platform experience with a Studio for testing agents and workflows plus AI-focused observability (structured logs, tracing, and eval dashboards) and deployment integrations.
Product overview
Capabilities, pricing and fit
Mastra is an open-source TypeScript framework and optional hosted platform for developers building AI agents and applications; it is not a ready-made agent. It provides agent, tool, workflow, memory, MCP, evaluation, observability, and deployment primitives across many model providers.
Information as of August 12, 2026
What it can do
- Stateful agent primitives
Mastra agents support model routing, tools, MCP, persistent and semantic memory, logs, traces, and evaluation hooks.[2]
- Durable workflows and agent networks
Developers can compose explicit sequential, parallel, branching, suspendable workflows or coordinate agents for open-ended collaboration.[1], [2]
- Flexible application deployment
Mastra applications can integrate with React, Next.js, and Node, run as standalone servers, or use managed deployments and observability on Mastra Platform.[1], [3]
Where it fits best
Pricing and availability
The Apache-2.0 framework is free to self-host. Mastra Platform Starter is $0 per month with included usage and metered overages; Teams is $250 per month and Enterprise is custom.[3]
Platforms: TypeScript framework, Mastra Studio, Mastra Platform[1], [3]
Access: Self-hosted on a Node-compatible platform, Mastra-managed deployment[1], [3]
Important considerations
- Mastra supplies a framework rather than a finished agent; developers remain responsible for application behavior, model credentials and costs, tools, data, testing, and deployment choices.[1], [2], [3]
- The hosted free tier includes usage allowances, after which observability, CPU time, egress, gateway, memory, and storage can incur metered charges.[3]
Sources (3)
- TypeScript AI Framework for Agents and Apps | MastraOfficial site · checked 2026-08-12
- Stateful AI Agents With Any LLM | MastraDocumentation · checked 2026-08-12
- Pricing | MastraPricing page · checked 2026-08-12
Autonomy level
42/100
Our subjective rating of how independently the product carries out its documented tasks, considering the human setup, input, approval and review it needs. This is not a measured success rate.
Comparisons
Custom Comparisons
Some of the use cases of Mastra:
- Building TypeScript-based AI agents with tools, memory, and structured responses for real applications.
- Orchestrating multi-step workflows (agent + tools + RAG) and evaluating reliability with built-in eval concepts.
- Integrating MCP to connect agents to external tool servers and broader agent ecosystems.
- Testing, deploying, and monitoring agents via Mastra Cloud’s Studio and AI-aware observability.
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