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What is Universal Commerce Protocol (UCP)?

The UCP and AP2 documentation details the seamless integration of the Universal Commerce Protocol (UCP) with the Agent Payments Protocol (AP2), facilitating secure and verifiable transactions executed by AI agents or platforms on behalf of users, thus enabling commerce systems to handle discovery, checkout, and payment processes independently of intermediaries. The full compatibility between UCP and AP2 creates a trust framework for agent-led transactions, which requires a secure and cryptographically verifiable exchange of intent and authorization between businesses and platforms through Verifiable Digital Credentials (VDCs); this system ensures that businesses obtain signed checkout commitments that remain unchanged throughout the transaction process, while platforms deliver proofs of payment authorization that are directly associated with the state of the cart, significantly reducing the risk of fraud and confirming that transactions are both conclusive and authentic. Moreover, this integration not only streamlines the transaction process but also significantly boosts the overall efficiency and reliability of digital commerce ecosystems, ultimately fostering greater confidence among all participants in the marketplace.

What is OpenHarness?

OpenHarness is an open-source SDK built with TypeScript, aimed at developers who wish to craft customized AI-agent applications, including coding assistants, command-line utilities, and web-based supports. This toolkit is equipped with stateless agent execution, explicit management of conversation states, and streaming event support, as well as middleware options for retries, data persistence, and context oversight. Furthermore, it enables the creation of hierarchical subagents and tools governed by permission settings. Developers can seamlessly connect to model providers using the Vercel AI SDK, expand features through the Model Context Protocol (MCP), and employ filesystem or shell tools via adaptable providers. The SDK also provides React hooks and Vue composables, making it easier to integrate streaming agent outputs into diverse application interfaces. OpenHarness is distributed as an npm package and is tailored for projects that operate within Node.js or edge environments, functioning primarily as a developer-oriented library instead of a service intended for end-users. In addition, its design promotes both flexibility and scalability for AI application development, empowering users to customize their solutions to meet specific demands effectively. This adaptability ensures that developers can explore innovative AI applications without being constrained by rigid structures.

Media

Media

No images available

Integrations Supported

Agent Payments Protocol (AP2)

Integrations Supported

Anthropic
Model Context Protocol (MCP)
OpenAI
Vercel AI SDK

API Availability

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

Not specified

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Universal Commerce Protocol (UCP)

Company Location

United States

Company Website

ucp.dev/documentation/ucp-and-ap2/

Company Facts

Organization Name

OpenHarness

Company Website

open-harness.dev/

Categories and Features

AI Agent Frameworks

Not specified

AI Development

Not specified

eCommerce Tools

Not specified

Categories and Features

AI Agent Frameworks

Not specified

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