Mastra

Mastra

Mastra AI
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About

Mastra is an open-source TypeScript framework for building, deploying, and managing AI agents and intelligent applications. The platform provides tools for developing autonomous agents, orchestrating multistep workflows, managing persistent memory, and integrating large language models with external services. Its agent framework supports configurable instructions, tool calling, structured outputs, and connections to thousands of AI models through a unified model router. Developers can create durable workflows with conditional branches, retries, human approval steps, and the ability to pause and resume long-running tasks. Mastra also includes agent observability, performance evaluations, tracing, metrics, and debugging tools to help developers monitor and improve AI applications. The framework integrates with React, Next.js, Node.js, and other JavaScript environments, with options for standalone deployment, Mastra Cloud hosting, and enterprise infrastructure.

About

OpenHarness is an open-source TypeScript SDK for developers building custom AI-agent applications, including coding agents, CLI tools, and web-based assistants. It provides stateless agent execution, explicit conversation-state handling, streaming events, composable middleware for retries, persistence and context compaction, hierarchical subagents, and permission-controlled tools. Developers can connect model providers through the Vercel AI SDK, add external capabilities through Model Context Protocol (MCP), and use filesystem or shell tools through configurable providers. The SDK also offers React hooks and Vue composables for streaming agent output into application interfaces. OpenHarness is installed as an npm package and is intended to be embedded in projects running on Node.js or edge runtimes; it is a developer library rather than a hosted end-user agent service.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI developers, TypeScript and JavaScript developers, software engineers, autonomous agent developers, full-stack development teams, machine learning engineers, DevOps professionals, AI startups, enterprise engineering teams, and organizations seeking an open-source AI agent framework, workflow orchestration, persistent agent memory, multi-agent systems, LLM integrations, and production AI observability

Audience

Software developers and engineering teams building custom AI-agent applications, including coding agents, CLI tools, and web assistants.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Mastra AI
Founded: 2024
United States
mastra.ai/

Company Information

OpenHarness
open-harness.dev/

Alternatives

Alternatives

Deep Agents

Deep Agents

LangChain
AgentKit

AgentKit

OpenAI
Mastra

Mastra

Mastra AI
eve

eve

Vercel

Categories

Categories

Integrations

Model Context Protocol (MCP) Supported
OpenAI Supported
AG-UI Supported
Alkemi Supported
Anthropic Not Supported
Apify Supported
Cerebras Supported
Claude Supported
Claude Duet Supported
Dock Supported
Ejentum Supported
GPT-4o Supported
Gemini Enterprise Supported
Groq Supported
Llama Supported
OpenUI Supported
Prefactor Supported
SerpKite Supported
Span-01 Supported
TypeScript Supported

Integrations

Model Context Protocol (MCP) Supported
OpenAI Supported
AG-UI Not Supported
Alkemi Not Supported
Anthropic Supported
Apify Not Supported
Cerebras Not Supported
Claude Not Supported
Claude Duet Not Supported
Dock Not Supported
Ejentum Not Supported
GPT-4o Not Supported
Gemini Enterprise Not Supported
Groq Not Supported
Llama Not Supported
OpenUI Not Supported
Prefactor Not Supported
SerpKite Not Supported
Span-01 Not Supported
TypeScript Not Supported
Claim Mastra and update features and information
Claim Mastra and update features and information
Claim OpenHarness and update features and information
Claim OpenHarness and update features and information