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features
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support

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Description

OpenHarness is an open-source SDK developed in TypeScript, designed for developers aiming to create tailored AI-agent applications such as coding assistants, command-line tools, and web-based helpers. This toolkit features stateless agent execution, the ability to manage conversation states explicitly, and support for streaming events, alongside middleware that can be composed for retries, data persistence, and context management. Additionally, it supports hierarchical subagents and tools that operate under permission controls. Developers can easily link model providers via the Vercel AI SDK, enhance functionalities with the Model Context Protocol (MCP), and utilize filesystem or shell tools through customizable providers. The SDK includes React hooks and Vue composables to facilitate the integration of streaming agent outputs into various application interfaces. OpenHarness is available as an npm package and is designed for integration into projects that run on Node.js or edge environments, functioning as a developer-focused library rather than a service for end-users. Moreover, its architecture encourages flexibility and scalability in AI application development, allowing users to tailor their implementations to specific needs.

Description

Eve serves as an open-source framework for developing AI agents that you fully control, structured around a file system and equipped with a runtime suitable for production use. Defining an agent is as straightforward as creating an instructions.md file, while additional components like model configurations, skills, tools, sandboxes, channels, connections, subagents, schedules, and evaluations can be incorporated as the agent evolves. Tools can easily be established by placing TypeScript files into the designated tools directory, and skills are formulated as Markdown playbooks that activate only when needed. These agents have the capability to integrate with platforms such as GitHub, Stripe, and Linear via secure authenticated connections, and they can interact through various channels like Slack, Discord, Teams, web chats, APIs, cron jobs, command-line interfaces, and tailored applications—all originating from the same codebase. Moreover, specialized subagents are capable of managing delegated tasks, utilizing their own unique prompts, tools, and sandboxes, enhancing the overall functionality and adaptability of the agent. This versatility allows developers to customize their AI systems to fit a wide range of applications and use cases.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

Amazon Web Services (AWS) No 
Anthropic Yes 
Discord No 
Docker No 
GPT-5.4 No 
GitHub No 
Linear No 
Markdown No 
Microsoft Teams No 
Model Context Protocol (MCP) Yes 
OpenAI Yes 
Slack No 
Snowflake No 
Stripe No 
TypeScript No 
Vercel No 
Vercel AI SDK Yes 

Integrations

Amazon Web Services (AWS) Yes 
Anthropic No 
Discord Yes 
Docker Yes 
GPT-5.4 Yes 
GitHub Yes 
Linear Yes 
Markdown Yes 
Microsoft Teams Yes 
Model Context Protocol (MCP) No 
OpenAI No 
Slack Yes 
Snowflake Yes 
Stripe Yes 
TypeScript Yes 
Vercel Yes 
Vercel AI SDK No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

OpenHarness

Website

open-harness.dev/

Vendor Details

Company Name

Vercel

Founded

2015

Country

United States

Website

eve.dev/

Product Features

Product Features

Alternatives

No Alternatives

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