Persona

Persona

Runtype
+
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About

Persona is a VanillaJS Agent UI Library that helps developers create agentic front-end experiences for the web in pure JavaScript. Lightweight, extensible, and WebMCP-native, it runs on any stack and can connect to any SSE backend. Developers can start with a floating launcher in the corner, a copilot docked beside an app, or a full-height assistant that owns the page, changing the launcher configuration without changing the agent or app. Persona is designed for support, docs, sales, onboarding, internal tools, and custom agent experiences where the chat UI becomes another way to operate the application. Through WebMCP, developers can expose page actions, search, carts, bookings, forms, and other tools directly in the browser through a document.modelContext; Persona discovers those tools, asks the user before calling them, and streams the result back into the conversation.

About

The UCP and AP2 documentation describes how the Universal Commerce Protocol (UCP) integrates with the Agent Payments Protocol (AP2) to support secure, verifiable transactions initiated by AI agents or platforms on behalf of users, making it possible for commerce systems to handle discovery, checkout, and payment without intermediaries. UCP is fully compatible with AP2, which acts as the trust layer for agent-led transactions by requiring a secure, cryptographically verifiable exchange of intent and authorization between platforms and businesses using Verifiable Digital Credentials (VDCs); this ensures businesses receive signed checkout commitments that can’t be altered mid-flow and platforms issue proofs of payment authorization tied specifically to a cart state, reducing fraud and making transactions final and authentic.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Frontend engineers who need a lightweight library to add agentic chat, tool use, streaming, and branded assistant interfaces to web apps

Audience

Developers and platform architects building AI-driven commerce experiences who need a protocol for secure, interoperable agent-initiated purchasing and payment flows

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Runtype
United States
www.persona-chat.dev/

Company Information

Universal Commerce Protocol (UCP)
United States
ucp.dev/documentation/ucp-and-ap2/

Alternatives

Alternatives

AgentWorks

AgentWorks

Synergetics.ai
TF-Agents

TF-Agents

Tensorflow
Lyzr

Lyzr

Lyzr AI

Categories

Categories

Integrations

Agent Payments Protocol (AP2)
CSS
Cloudflare
Eve
JavaScript
LangChain
Next.js
OpenAI
Svelte
Vercel

Integrations

Agent Payments Protocol (AP2)
CSS
Cloudflare
Eve
JavaScript
LangChain
Next.js
OpenAI
Svelte
Vercel
Claim Persona and update features and information
Claim Persona and update features and information
Claim Universal Commerce Protocol (UCP) and update features and information
Claim Universal Commerce Protocol (UCP) and update features and information