What are the best alternatives to Mastra?

The best alternatives to Mastra are Gitagent, VoltAgent, Altic MCP, NVIDIA NemoClaw, Yargı MCP and others. You can discover and compare them all on our platform.

Yes, Mastra is open-source to use. You can access its full features without any direct cost.

Mastra

TypeScript AI Agent Framework

Open SourceFree

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About Mastra

Mastra is an open-source TypeScript framework designed to help developers build, test, and deploy autonomous AI agents and applications. It provides essential primitives including workflows, workspaces, observational memory, Model Context Protocol servers, and observability tools.

Ideal for

Building complex multi-step workflows and autonomous agents in TypeScriptCreating native Model Context Protocol servers to connect dev agentsEvaluating agent output quality and performance locally using evals

Key Features

Pros

Natively built for TypeScript and JavaScript developers with full type safety
Integrates core agentic concepts like workflows, memory, and evaluations in one SDK
Provides native Model Context Protocol (MCP) server support for easy integrations
Includes a local developer dashboard (Mastra Studio) to monitor agent runs
Fully open-source under the permissive Apache-2.0 license
Allows developers to easily swap between over 300 foundation LLMs
Enables local testing and offline execution of complex agent logic

Cons

Primarily targeted at TypeScript developers; lacks first-class Python support
Lacks a massive pre-built template marketplace compared to older frameworks
Cloud deployment servers and gateway features require custom configurations