a13n

a13n

Converge AI
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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

a13n is an open-source AI agent development framework and self-hosted platform for building, testing, and running agent applications. Developers define agents with instructions, models, tools, and execution environments using the Python Harness SDK, or configure agents through Harness UI. The Service provides a shared workspace and HTTP API for applications that need managed agents, saved conversations, and resumable runs. Agent work can execute locally or on a deployed Service, with checkpointing for eligible runs. The platform connects to model providers, external applications, web-data services, and remote MCP servers, and can be deployed using Docker Compose or Kubernetes. It is designed for software developers and platform teams creating AI-enabled workflows and applications; customers operate their own infrastructure and provider credentials.

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 Not Supported
Mac Not Supported
Linux Supported
Cloud Not Supported
On-Premises 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

Software developers, AI engineers, and platform teams building or operating AI-agent applications and workflows.

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 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

Agent Foundation is available under the Apache License 2.0. Self-hosted infrastructure and usage charges from external model or service providers are separate.
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:

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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

Converge AI
a13n.dev/

Alternatives

Deep Agents

Deep Agents

LangChain

Alternatives

Mastra

Mastra

Mastra AI
Mastra

Mastra

Mastra AI
eve

eve

Vercel

Categories

Categories

Integrations

Model Context Protocol (MCP) Supported
Anthropic Supported
Ollama Not Supported
OpenAI Supported
Vercel AI SDK Supported

Integrations

Model Context Protocol (MCP) Supported
Anthropic Not Supported
Ollama Supported
OpenAI Not Supported
Vercel AI SDK Not Supported
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