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TypeScript AI Framework for Agents and Apps | Mastra
TypeScript AI Framework for Agents and Apps
The short version
What is TypeScript AI Framework for Agents and Apps | Mastra?
Mastra is an open-source TypeScript framework designed for building AI-powered applications and agents. It provides a suite of tools including agents, workflows, memory, workspaces, and observability to support the full agent development lifecycle. It can be integrated into existing web frameworks or deployed as a standalone server.
Mastra is purpose-built for TypeScript, allowing developers to bundle agents and workflows directly into existing React, Next.js, and Node.js applications or ship them as standalone endpoints.
Product capabilities
Key features
- Typed agents with instructions, models, tools, and runtime behavior
- Graph-based workflow engine with .then(), .branch(), and .parallel() methods
- Human-in-the-loop workflow support
- Observability tools including traces, metrics, logs, evals, and datasets
- Memory system with conversation history and semantic recall
- Model routing for 90+ providers
- Support for authoring Model Context Protocol (MCP) servers
- Guardrails for input/output processing
Ways to use it
Use cases
- Conversational agents for customer support, onboarding, or internal queries
- Domain-specific copilots for coding, legal, finance, research, or creative work
- Workflow automations for multi-step processes
- Decision-support tools
- Incident response
- CI log processing
Who it is built for
Best for
At a glance
Strengths & considerations
Strengths
- Open-source core framework under Apache 2.0 license
- Supports integration with React, Next.js, and Node.js
- Provides a unified interface for 90+ AI model providers
- Includes built-in deployers for Vercel, Netlify, and Cloudflare
Things to consider
- Enterprise features are source-available under a separate license
- Self-hosted deployments require management of infrastructure
- Pricing includes usage-based costs for observability events, CPU time, and data storage
Plan information
Pricing
Mastra offers a free starter tier and a paid Teams tier at $250/month, with custom pricing available for Enterprise. Usage-based fees apply for observability events, CPU time, and data storage.
The Starter plan is free and includes 100K observability events, 24 CPU hours, and 15 days of data retention.
Prices and plans can change. Confirm current terms on the official pricing page before purchasing.
Compatibility & availability
Technical details
Integrations
Platforms & channels
Languages
Official destinations
Links
Quick answers
TypeScript AI Framework for Agents and Apps | Mastra FAQ
What is Mastra?
Mastra is an open-source TypeScript framework for building AI-powered applications and agents, providing agents, workflows, memory, workspaces, and observability.
What AI models and providers does Mastra support?
Mastra's model routing connects to 90+ providers, including OpenAI, Anthropic, and Gemini, through one standard interface.
Does Mastra support MCP servers?
Yes, Mastra supports authoring Model Context Protocol (MCP) servers, exposing agents, tools, and other structured resources via the MCP interface.
How does Mastra handle agent memory and context?
Mastra's memory system provides conversation history, data retrieval from APIs, databases, and files, and semantic memory to help agents behave coherently.
Is Mastra open source?
Mastra's core framework is open source under the Apache 2.0 license, while enterprise features are source-available under the Mastra Enterprise License.
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Official sources
These pages were used for the factual profile above. They may change after the research date.
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