# Mastra

> TypeScript framework for building AI agents

Mastra is an open-source TypeScript framework for building AI applications and agents. It provides primitives for workflows, agents, knowledge retrieval, and integration with popular AI services. Designed with a developer-first experience for teams building production AI.

## Quick facts

- Categories: Developer Tools
- Pricing: Free
- Free plan: Yes
- Official site: https://mastra.ai
- Last checked: 2026-10-23

## Key features

- TypeScript-native AI framework
- Workflow and agent primitives
- Knowledge base integration
- Multiple LLM provider support
- Built-in evaluation tools
- Open-source community

## Use cases

- Building AI agents in TypeScript
- Production AI application development
- Workflow automation with AI
- Full-stack AI development

## Links

- Nextool.ai page: https://nextool.ai/tools/mastra/
- Alternatives: https://nextool.ai/alternatives/mastra/

Source: Nextool.ai (https://nextool.ai/tools/mastra/). Pricing and features change; confirm on the provider's site before relying on them.