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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.

About

Strands Agents is an open-source framework designed to help developers build controllable and flexible AI agents using Python and TypeScript. It enables users to create agents by defining tools as simple functions, eliminating the need for complex workflows or orchestration pipelines. The SDK works with any model and cloud provider, giving developers full freedom in how they deploy and scale their agents. It introduces a streamlined agent loop where the model handles reasoning while developers maintain control through code. Features like steering hooks allow developers to validate and guide agent behavior before and after actions are taken. The platform also includes built-in capabilities such as memory management, observability, and evaluation tools. Overall, Strands Agents SDK simplifies agent development while improving reliability, control, and performance.

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

Platforms Supported

Windows 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

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

Audience

AI developers, software engineers, and enterprise teams building scalable, customizable, and production-ready AI agents across different models and cloud environments

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 Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

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

Pricing

Free
Free Version 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

OpenHarness
open-harness.dev/

Company Information

Strands Agents
United States
strandsagents.com

Alternatives

Deep Agents

Deep Agents

LangChain

Alternatives

Mastra

Mastra

Mastra AI
AutoGen

AutoGen

Microsoft
eve

eve

Vercel
Semantic Kernel

Semantic Kernel

Microsoft

Categories

Categories

Agentic AI Supported
AI Agent Builders Supported
AI SDKs Supported

Integrations

OpenAI Supported
Agent Control Not Supported
Amazon Bedrock Not Supported
Amazon Bedrock AgentCore Not Supported
Anthropic Supported
Claude Not Supported
Claude Duet Not Supported
Claude Sonnet 3.7 Not Supported
Claude for Legal Not Supported
EmpirioLabs AI Not Supported
Hindsight Not Supported
Model Context Protocol (MCP) Supported
Openlayer Not Supported
Python Not Supported
Strands Decider Not Supported
TypeScript Not Supported
Vercel AI SDK Supported

Integrations

OpenAI Supported
Agent Control Supported
Amazon Bedrock Supported
Amazon Bedrock AgentCore Supported
Anthropic Not Supported
Claude Supported
Claude Duet Supported
Claude Sonnet 3.7 Supported
Claude for Legal Supported
EmpirioLabs AI Supported
Hindsight Supported
Model Context Protocol (MCP) Not Supported
Openlayer Supported
Python Supported
Strands Decider Supported
TypeScript Supported
Vercel AI SDK Not Supported
Claim OpenHarness and update features and information
Claim OpenHarness and update features and information
Claim Strands Agents and update features and information
Claim Strands Agents and update features and information