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Mastra

The modern TypeScript framework for building AI-powered applications and agents — agents, workflows, RAG, evals, memory, and MCP in one stack.

Install

via Positronick CLI

$positronick harness install mastra --run

Official

$npm create mastra@latest

Mastra is an open-source TypeScript framework for building AI applications and agents on a modern Node.js/React stack. It bundles agents with memory and tool use, deterministic multi-step workflows, RAG, evals, and MCP support, plus a local dev playground. Scaffold a project with `npm create mastra@latest` and deploy to any Node host or serverless platform. The core is open-source; features under `ee/` directories are source-available under the Mastra Enterprise License.